Weekly Team Meetings: Jan-Jun 2022 #135

fcollonval · 2022-01-06T08:05:06Z

Here is a record of the agenda/minutes for our weekly meeting. Everyone is welcome to join.

Let's avoid using this thread for discussion. If you'd like to discuss something in the minutes, open a separate issue and reference this thread.

Here are the meeting minutes for the previous 6 months (Aug-Dec 2021)

Meeting Notes

fcollonval · 2022-01-06T08:05:52Z

5 January 2022

Attendees

Name	Affiliation	GitHub	Favorite Christmas / New Year Food
Frederic Collonval	QuantStack	@fcollonval	Duck liver
Ely	Bloomberg	@ohrely	apples and honey
Jason Weill	AWS	@jweill-aws	Homemade cookies
Jason Grout	Databricks	@jasongrout	Bratzeli
A. T. Darian	Two Sigma	@afshin	mince pies
Vidar T Fauske	JP Morgan Chase	@vidartf	Pinnekjøtt
William Stein	CoCalc	@williamstein	Mashed Potatoes (and I learned to cook Pad Thai!)
Rick McGeer	engageLively	@rickmcgeer	Rum balls
Johan Mabille	QuantStack	@JohanMabille	oysters
Piyush Jain	AWS	@3coins
Martha Cryan	IBM	@marthacryan	yule log
Carlos Herrero	QuantStack	@hbcarlos
tonyfast	quansight	@tonyfast
Michał Krassowski	Oxford	@krassowski
Craig Citro	Google	@craigcitro	fruit pies of all kinds

PRs needing review

Refactor status bar jupyterlab#11450
- @3coins, will review this

Agenda

JupyterLab 3.3 - List of features to include:
- JupyterLab 3.3 Release jupyterlab#11643
- We need to fork before the PR merged in 3.2.x that target 3.3
- [discussion about the issue about the blank terminal when reopening] William in CoCalc is dumping the history in a file. Nick proposed that terminado should be extended to support that feature.
  - william adds: "In CoCalc a terminal session corresponds to a file (with extension .term) similar to how a notebook has a corresponding file, so it’s a very natural place to store the recent terminal stream. However, having terminals correspond to files is a very uncommon design. It’s useful for realtime collaboration though."
Frederic
- Issue following Delay list -> dict conversation to end (Project update by SSC to EC #192) reverted for now @ vidartf
- Alternative solutions:
  - Make merge method also merge lists.
  - Update everything to accept the new behavior
  - Have get_page_config take a "base" argument
  - others ?
Isabela
- Jupyter accessibility workshops are coming soon! The first two are January 15 and January 22 (times on the community calendar)
- Would some one mind reviewing the submitted Jupyter blog post for announcing the workshops?
- Command palette has something styled like a button that is not actually a button. This seems like bad practice. (Originally discussed on jupyterlab/jupyterlab #11658
Johan
- Migration to CodeMirror 6: syntax highlighting is back
Jason W
- Triage process has been checked in; please keep an eye on issues tagged with status:Needs Triage
Mike
- Plugin playground with TypeScript transpilation: Transpile (optional) TypeScript, support imports (package and relative) and schema jupyterlab-plugin-playground#28
  - systemjs, security, dynamic extensions
Carlos
- Drop familyName from the ICurrentUser interface
  Drop familyName from the ICurrentUser interface jupyterlab#11774
- Remove source from ModelDB:
  - Remove source from modelDB jupyterlab#11601
  - New signal, sourceChanged to the CodeEditor.IModel.
  - The arguments of sourceChanged are similars to the ObservableString.
  - Duplicated signal when the source or the metadata changes, we emit contentChanged plus sourceChanged/metadataChanged.
  - I made ModelDB and sharedModel private.
- Remove metadata from ModelDB:
  Remove metadata from modelDB jupyterlab#11790

Additional discussions

ModelDB / sharedModel evolution -> need to remove duplication
- Related issues
  Next steps on RTC
  Make DocumentRegistry independent of ModelDB

fcollonval · 2022-01-12T18:05:29Z

12 January 2022

Attendees

Name	Affiliation	GitHub	Favorite Game Console
Frederic Collonval	QuantStack	@fcollonval	Switch
Johan Mabille	QuantStack	@JohanMabille	PS3
Vidar T Fauske	JP Morgan Chase	@vidartf	Atari
Trung Le	Quantstack	@trungleduc	Switch
Jason Weill	AWS	@jweill-aws	Genesis / Mega Drive
Ely R	Bloomberg	@ohrely	table
Eric Charles	Datalayer / Quansight	@echarles
Gabriel Fouasnon	Quansight	@gabalafou	PacMan, DDR
Layne Sadler	AIQC	@aiqc	N64
A. T. Darian	Two Sigma	@afshin	SNES
Sylvain Corlay	QuantStack	@SylvainCorlay	Mega Drive
Alex Bozarth	IBM	@ajbozarth	Gamecube
Craig Citro	Google	@craigcitro	anything with Dr. Mario
Martha Cryan	IBM	@marthacryan	wasn't allowed to have video games :(
Carlos Herrero	QuantStack	@hbcarlos
Ahmed Fasih	Bloomberg	@fasiha	Ti-83+?
Piyush Jain	AWS	@3coins	Atari 🕹️
Michał Krassowski	Oxford	@krassowski
Mehmet Bektas	Splunk	@mbektas
Pete Blois	Google	@blois	Atari 2600
Isabela Presedo-Floyd	Quansight Labs	@isabela-pf
Jeremy Tuloup	QuantStack	@jtpio	Switch
Jason Grout	Databricks	@jasongrout
Zach Sailer	Apple	@Zsailer
Matt Henderson	LBNL	@mlhenderson
Kevin Bates	IBM	@kevin-bates

Agenda

Eric
- Demo KSMM (Kernelspec Manager) extension https://github.com/deshaw/ksmm
  - [1] Create / Edit / Delete Kernelspec from Jupyterlab [2] Parametrized Kernels
  - Feedbacks and contributions welcome 👍
    Lots of interest on discussing a formal way to parametrize the kernel specifications.
  - Can be useful input to setup a working group on Parametrized Kernel Parameterized Kernels jupyter-server/team-compass#16
  - [Mike] list of kernels in reply to an question of Layne: there is https://docs.jupyter.org/en/latest/projects/kernels.html and https://github.com/jupyter/jupyter/wiki/Jupyter-kernels
Trung Le
- Refactor completer package (Refactor completer and completer-extension package jupyterlab#11795)
  Demo supporting multiple providers.
  [Nick] It will be nice to provide the settings with a priority instead of the list of providers to ease dealing with config merge: "selectedProviders": {"CompletionProvider:tabnine": 0, "Completionprovider:base": 1}
  [Nick] Out-of-scope for that PR: it will be nice to rework the model/renderer API to add the ability to reuse the model to display completion at other places (like in a separated label)
Jeremy
- New releases: 4.0.0a19, 3.2.7, 3.1.19
- Investigating CI failure related to IPython 8
- Planning to release 3.3.0a1 when the CI is fixed
Jason W
- Triage process is now in place. Some issues still coming through without label. How often to triage issues?
- Public service announcement: check the issues in need of triage when you get a free moment. If an item is ready to work on, remove the status:Needs Triage label. If you have questions, add a comment and add another tag like status:Needs Info. We should aim to have new issues triaged within about a week.
- Add a new section to the notes with the list of issues in need for triage to bring light to them.
Ahmed
- Question about intermittent gutter clipping underlying code cells in JupyterLab 2 and 3
  - https://gist.github.com/fasiha/ec1172a7eed75a66c5e5ce70fd07e810 GitHub issue coming! 🚀
- @jasongrout: My guess is that this has to do with CodeMirror running a .refresh() when the cell is activated. My guess is that something is changing the codemirror or adding something to the gutter without calling .refresh().
Darian
- Software Steering Council + decision making body
Alex
- Archived the hackmd for Q4 to help with lag https://hackmd.io/zFgZGFsOSw6b6cKFYST4Qg?view
Frederic
- DOCS: Convert theme to pydata-sphinx-theme by Chris Holdgraf: see preview there

Additional discussions

[jasongrout]: From the completer PR demo, it seems we need a way to display a list of dynamic things for information.
- Can probably be side-stepped for this PR if switching to dict instead of list, as the default value can then be used as the information communicator as well.
- There seems to be an existing pattern that allows this by using settings tranformers to add dynamic content descriptions? Keyboard shortcuts, for example, lists the available commands in the description.
- It would be good if enums etc from the schema could be presented well in the editor.
[Nick] A new version of JupyterLite has been released: v0.1.0a19
@jasongrout: Experimented with autocomplete over the control channel so it isn't blocked by execution. If you know of problems with this, please comment on the draft experiment PR: Experiment sending the complete_request message on the control channel. jupyterlab#11831

fcollonval · 2022-01-19T18:06:15Z

19 January 2022

Attendees

Name	Affiliation	GitHub	Favorite TV Series
Johan Mabille	QuantStack	@JohanMabille	House M.D.
Alex Bozarth	IBM	@ajbozarth
David Brochart	QuantStack	@davidbrochart
Frederic Collonval	QuantStack	@fcollonval
Layne Sadler	AIQC	@aiqc	South Park
Ely	Bloomberg	@ohrely	Elementary
Jason Weill	AWS	@jweill-aws	The Simpsons
Martha Cryan	IBM	@marthacryan
Jeremy Tuloup	QuantStack	@jtpio
William Stein	CoCalc	@williamstein	Dr Who is both my least and most favorite, depending on the doctor...
Vidar T Fauske	JP Morgan Chase	@vidartf
Damián AVila	2i2c & MADS	@damianavila
Piyush Jain	AWS	@3coins	West Wing
Carlos Herrero	QuantStack	@hbcarlos
A. T. Darian	Two Sigma	@afshin
tony fast	quansight	@tonyfast
Michał Krassowski	Oxford	@krassowski	The Expanse
Matt Henderson	LBNL	@mlhenderson
Nick Bollweg	Georgia Tech	@nrbgt @bollwyvl
Isabela Presedo-Floyd	Quansight Labs	@isabela-pf
Jason Grout	Databricks	@jasongrout

Agenda

Jeremy
- 3.3.0a1 is out: https://github.com/jupyterlab/jupyterlab/releases/tag/v3.3.0a1
- New alpha release when the js-apputils CI check is fixed: js-apputils check is failing on CI jupyterlab#11886
- Drop nbclassic draft PR: Drop nbclassic, depend on notebook_shim jupyterlab#11894
  - There is an issue about the future of nbclassic and having a nbclassic-shim package: The future of nbclassic jupyter/nbclassic#81
Isabela
- January's Jupyter community call is next Tuesday. It's the first of the year! Get more info on the Jupyter Discourse.
- There is a Jupyter accessibility workshop this Saturday! We'll be sprinting on documentation with low-code and code-heavy topics (depending on your interest). You can register via Hopin
  - Possible testing resource demoing axe testing in playwright.
- If you have an accessibility-related topic you'd like to sprint on in the future, reach out to me! We'll be planning another sprint in March and are still open to topics.
Frederic
- JupyterLab Performance meeting after this one.
- Automated screenshots for documentation
David
- ZeroMQ and websocket protocols alignment PR: jupyter-server PR
  Companion PR on JLab
  The goal is to avoid de/serialization of JSON and transfer raw bytes.
  [Mike] Is performance gain notable?
  Around 40% on function levels
  [Nick] i think any binary spec should be more robustly characterized with e.g. kaitaistruct we don't want to end up in the situation where the as-written spec is eclisped by a particular reference implementation

Additional discussions

[Vidar]: Target date for 4.0
- Estimation is around end of Q1
- There is a need to avoid big changes in the upstream JupyterLab used for notebook v7 just after notebook v7 is released to avoid discouraging people taking the path to port their extensions to notebook v7
[Nick]: How to support custom desktop App with pre-loaded environment and extensions?
- [Mike] On one level it is "just" customizing the constructor yaml list: https://github.com/jupyterlab/jupyterlab-desktop/blob/master/env_installer/construct.yaml but yes, having a cookiecutter at some point would be great.
  - JupyterLab Desktop could become more modular:
    1. default conda environment
    2. electron integration
    3. core Desktop extensions on top of JupyterLab. We could allow downstream to swap (1) and (3)
- [Nick] Example of customization distributions:
- A way to get conda environment by the user in desktop app is to use a package manager like gator

fcollonval · 2022-01-26T18:03:29Z

26 January 2022

Attendees

Name	Affiliation	GitHub	Favorite Lots Of Laugh gif
Gabriel Fouasnon	Quansight	@gabalafou	what is a week end?
Jason Weill	AWS	@jweill-aws
Alex Bozarth	IBM	@ajbozarth
Michał Krassowski	Oxford	@krassowski
Tony Fast	Quansight	@tonyfast
Jeremy Tuloup	QuantStack	@jtpio
Martha Cryan	IBM	@marthacryan
Piyush Jain	AWS	@3coins
Pete Blois	Google	@blois
William Stein	CoCalc / SageMath	@williamstein
Ely	Bloomberg	@ohrely	Tell me, have you seen the marvelous breadfish?
Craig Citro	Google	@craigcitro
Karla Spuldaro	IBM	@karlaspuldaro
Fabio Pliger	Anaconda	@fpliger
A. T. Darian	Two Sigma	@afshin
Jason Grout	Databricks	@jasongrout
Brian Granger	AWS	@ellisonbg
Matt Henderson	LBNL	@mlhenderson
Isabela Presedo-Floyd	Quansight Labs	@isabela-pf	You really think someone would do that? Just go on the internet and tell lies?

PRs needing review

Issues needing triage

Unneeded error message on saving as modified files bug #11939
How can the left/right sidebar show text rather than icon? #11936
Adding more options to notebook-pdf conversion #11935
Failure to start jupyter lab --- IndexError: pop from an empty deque #11934
Edit and Delete Tags in Property Inspector #11931
1. Column selection mode 2. run the cells of the specified tag #11926
Jupyterlab slow interface bug #11917
CSPReportHandler should likely be unauthenticated. #11916
3.2.8: pytest is failing in two units #11910
Open all contents as notebooks including non .ipynb extensions #11896
Theme extensions: add more information in their package.json file #11891 - String localized improperly in Trust Notebook dialog #11851
Enhancement suggestion: Compressed .ipynb files (e.g., .ipynbz) #11824

Agenda

Isabela:
- JupyterLab accessibility meeting is fifteen minutes after the end of that one! All are welcome!
- Is anyone planning a SciPy tutorial? Bringing up the Discourse question.
- Shout out to Martha for her awesome settings editor work! That's been a long journey and every time I check the binder it keeps getting better.
Jeremy:
- 3.3.0a2 is out: https://github.com/jupyterlab/jupyterlab/releases/tag/v3.3.0a2
  - also on conda-forge by end of meeting
- jupyterlab/theme-cookiecutter repo is now archived
  - Thanks Frederic for merging the Theme Cookiecutter into the main TypeScript cookiecutter
- jupyterlab/debugger repo is now archived
Nick
- Question about MathJAX shipping
  - need to make a decision about where to get MathJax assets once note from notebook
    - hard dependency on jupyter_server_mathjax
    - bring mathjax3-extension into core (and/or backport to mathjax2)
  - consider MathJax 3 for Lab 4
    - existing Update to MathJax 3 jupyterlab#7218
    - how close is feature parity?
      - MJ3 doesn't have automatic line-breaking: Apparently coming later this year
        
        can NumFocus push on this?
      - Any concerns about: http://docs.mathjax.org/en/latest/upgrading/v2.html#not-yet-ported-to-version-3
    - keep shipping it as a standalone mathjax3-extension
  - would need to coordinate with
    - nbconvert Switch to Mathjax 3 jupyter/nbconvert#1706
- what if you could back jupyterlab with hedgedoc ne hackmd
  - older issue about OT -> CRDT Proposal: Replace OT with CRDTs hedgedoc/hedgedoc#527
Frederic:
- JupyterLab 3.3: review actions
Tony:
- JupyterLab/Notebook triaging meeting starting Thursday 3rd February 9am PT (after Jupyter Server meeting) https://hackmd.io/HaQ3S_nPSbqaRtk9rj59iA
- Meeting to come in Jupyter Calendar
Martha
- Settings UI PR is approved by Frederic - more review is welcome!
Jason W
- jupyterlab-probot is now opt-in for triage; you need to specify the triageLabel parameter to indicate a triage label to be applied to new issues
- Templates still specify the triage label, so if you're using the issue templates, that label will continue to apply to new issues

Additional discussions

jupyter-ui-toolkit demo
- How is this related to Switch from widget to standard web components lumino#290?
Namespacing issue with Web Components
- Example: conflict when two libraries both have <fancy-button>
- Many authors get around this with namespace prefixing: e.g., <jp-fancy-button>
- BUT: conflicts often occur when trying to use two versions from the same library
Any update from anyone about RTC efforts?
- Current work is mainly happening on the Y-py library Related PR
- Also conda-forge recipe PR
[Nick] Shooting of demo at Jupyter Community meeting:
- jupyterlab-myst
[Brian] Kite just open-source their code base
- main repo
- jupyterlab extension (which basically seems to be a fork of the jlab lsp extension with some changes)
  - Refactor completer and completer-extension package jupyterlab#11795 will invalidate need for most of the code in jupyterlab-kite

meeseeksmachine · 2022-01-26T18:09:48Z

This issue has been mentioned on Jupyter Community Forum. There might be relevant details there:

https://discourse.jupyter.org/t/tutorial-at-scipy-2022/12729/4

fcollonval · 2022-02-02T18:02:06Z

2 February 2022

Attendees

Name	Affiliation	GitHub	Favorite Spaceship (help!)
Frederic Collonval	QuantStack	@fcollonval	Hubble
Alex Bozarth	IBM	@ajbozarth
Karla Spuldaro	IBM	@karlaspuldaro
Jason Weill	AWS	@jweill-aws	Discovery One
William Stein	CoCalc/SageMath	@williamstein	Lexx ("an enormous, sentient insect genetically modified for space travel and planet-destroying capabilities.")
Joshua Alter	IBM	@JoshuaAlter
Jason Grout	Databricks	@jasongrout
Layne Sadler	AIQC	@aiqc	The Hail Mary
Gabriel Fouasnon	Quansight	@gabalafou
Ely	Bloomberg	@ohrely	Earth
Piyush Jain	AWS	@3coins
Rick McGeer	engageLively	@rickmcgeer	Serenity
Vidar T Fauske	JP Morgan Chase	@vidartf	Heart of Gold
Michal Krassowski	Oxford	@krassowski
Craig Citro	Google	@craigcitro
Eric Charles	Datalayer	@echarles
Mehmet Bektas	Splunk	@mbektas
Jeremy Tuloup	QuantStack	@jtpio
Nick Bollweg	Georgia Tech	@bollwyvl
Matt Henderson	LBNL	@mlhenderson
Damián Avila	2i2c & MADS	@damianavila
A. T. Darian	Two Sigma	@afshin	Far Star
Isabela Presedo-Floyd	Quansight Labs	@isabela-pf	USS Enterprise

PRs needing review
Issues needing triage

Agenda

Frederic:
- Style linter by Nick
  - cookiecutter
  - can encode accessibility constraints eventually
- Markdown parser in its own plugin
- Settings UI has been merged in master 🎉
  Thanks a lot to Martha and every one involved in testing and reviewing
Jason W:
- RetroLab left/right panel item has been in WIP for a while — next steps?
  - ToC needs some additional refactoring in JLab to move forward on that PR.
    - [nick]: recommend Inspector ne Contextual Help (appears in notebook 6 in the bottom region)
Tony Fast
- triaging meeting tomorrow @ 9AM PST https://hackmd.io/@tonyfast/ryINPwOaY
Eric
- Follow-up of kernel sources in debugger Kernel sources in debugger are uninformative and spams console jupyterlab#11966
- Planning for 3.3 RC0 ? JupyterLab 3.3 Release jupyterlab#11643
  Target next alpha (with all features next week). Then 2 weeks time for beta and rc.
- Jupyter for React.js developers talk at FOSDEM https://fosdem.org/2022/schedule/event/lt_jupyter - https://github.com/datalayer/jupyter-react
- [DISCUSS] Goals and architecture of jupyter-ui-toolkit [DISCUSS] Goals and architecture of jupyter-ui-toolkit jupyterlab-contrib/jupyter-ui-toolkit#5
Jason G:
- Keyboard shortcut display - anyone is welcome to help push it forward
- Lots of commands do not have captions, and some don't have labels

Additional discussions

Keyboard layout & shortcuts discussions:
Those are two different subjects. The handling of the layout is addressed by Lumino (it deals with mapping key code to the character). The shortcuts discussion is about being able to get the sequence of keys that trigger an event.
Bottom line is for Codemirror hard coded shortcuts (in extensions) we should override them in JupyterLab, otherwise we have issues like
- JupyterLab Issue: Support non-US keyboard layouts jupyterlab#7579
- Codemirror 6 Move away from KeyboardEvent.key for key bindings? codemirror/dev#146
- Tool for mapping key and character pointed by Pete https://w3c.github.io/uievents/tools/key-event-viewer.html
- Table of keyboard shortcuts: https://en.wikipedia.org/wiki/Table_of_keyboard_shortcuts
- Keyboard layouts for text and office systems https://en.wikipedia.org/wiki/ISO/IEC_9995
- Issue 11986: Document guidance for keyboard shortcuts
- Nick: “If the user can’t control it, we’re doing it wrong.”
- relevant docs for the new getlayout functionality in chrome: getLayoutMap() returns keyboard layout on Chrome-based browsers lumino#271
- New enhancement proposal to add guidance on shortcuts
- Colab still uses the keyboard shortcuts from IPython back in 2014 (with lots of users complaining).

fcollonval · 2022-02-09T18:10:02Z

9 February 2022

Attendees

Name	Affiliation	GitHub	Favorite Keyboard Character
Alex Bozarth	IBM	@ajbozarth
Frederic Collonval	QuantStack	@fcollonval	`ç` (not so use full in French but easier than {)
Piyush Jain	AWS	@3coins	`@`
Rick McGeer	engageLively	@rickmcgeer	`\`
William Stein	CoCalc/SageMath	@williamstein	`⌴`
Layne Sadler	AIQC	@aiqc	`⌘`
Jason Weill	AWS	@jweill-aws	`§`
Vidar Tonaas Fauske	JP Morgan Chase	@vidartf	`MediaPlayPause`
Eric Charles	Datalayer	@echarles	`?`
Brian Granger	AWS/Cal Poly	@ellisonbg
Gabriel Fouasnon	Quansight	@gabalafou	`~`
Luciano Resende	Apple	@lresende
A. T. Darian	Two Sigma	@afshin	`⏏` (does nothing!)
Jason Grout	Databricks	@jasongrout	↩
Isabela Presedo-Floyd	Quansight Labs	@isabela-pf	as a designer, I feel obligated to say `&`; as a human, I love the em-dash
Karla Spuldaro	IBM	@karlaspuldaro
Matt Henderson	LBNL	@mlhenderson
R Ely	Bloomberg	@ohrely	`w`
Pete Blois	Google	@blois

PRs needing review

Support dynamic toolbar definition #11963
Protocol alignment #11841
Save document from the backend using y-py #11599

Issues needing triage

25 issues opened (+13)

Agenda

Frederic:
- Any update on the JupyterLab decision making body?
  - A google group is up and individual invitations have started to be sent.
- Clear breakpoints when disposing an editor
  - Is that behavior wanted?
Alex
- What is the timeline for 3.3 alpha > beta > rc ?
  - Check with @jtpio that beta is ok (target end of the week)
  - 1 week (minimum) beta, 1 week (minimum) RC, targeting February 28th for final release (ETA if no blocking issue)
    We need to document it (new issue on the team compass repository)
    (If this policy is specific to the JLab repo, and doesn't apply to other repos in the jlab org, maybe the discussion happens on the jlab repo, and documented in the jlab dev docs?)
Eric
- Looking for feedbacks on potential JEP proposal for React.js at Jupyter https://github.com/datalayer/jupyter-react/tree/jep/jep
- Feedbacks welcome on [WIP] JEP for React.js at Jupyter datalayer/jupyter-ui#9
  [Brian] This will be a good JEP for reviewing by the coming Software Council Committee
  [Jason G] The JEP can be submitted (not waiting for the committee)
- Is there a published release planning and which level of commitment to communicate/guarantee to users?
Isabela/Gabriel
- Looking for advice on running tests from outside the source repo.
  Looking at way of https://github.com/jupyterlab/benchmarks/ is doing it for now
- somewhat related: ipywidgets runs playwright tests (i.e., it does testing inside the jlab ui outside of jlab core)
- One way to linked versions of external repositories is git submodules
Jason W
- Public service announcement: Please review "status:Needs Triage" issues whenever you have a free moment — our numbers have been increasing (25 open issues right now)
  Triage meeting notes
Vidar
- Draft PR on Lumino for some updates to keyboard package Add capability for KeyboardEvent.code + capture lumino#291 :
  - Special widget and example app for capturing keyboard layout for easier addition of more layouts.
  - Experimental suggestion for matching "Special keys" directly to event "key" values if there is no entry in the keyboard layout.
  - Where should other layouts other than en_US be distributed?
Layne
- CalPoly Extensions? they made useful things like comments, grids, dashboards.
  - e.g. comment repo
    [Brian] is looking at bringing it in. Darian is interested by that too.
    Linked JupyterLab issue
- Platform vs community extensions.

Additional discussions

Scipy 2022: talk about cool new features in coming JupyterLab 4 (and JLab Desktop and JupyterLite). If you are interested in helping and planning on going, please list your name here to coordinate.
- Martha @marthacryan
- @jasongrout (planning on going, happy to help with a talk)
- @ajbozarth I'm local and willing to help
- Rick McGeer is willing to review our abstract
- See also https://discourse.jupyter.org/t/tutorial-at-scipy-2022/12729 for others willing to help review submissions.
Recording dev meetings?
Supported by William Stein, Martha, Jason G., Brian
[Brian] Proposes to have a period of the meeting not to be recorded for people that rather prefer not speaking when recording.
[Isabela] Advocates for having captions/transcriptions of meetings. If anyone knows of a way to get transcriptions, please reach out to Isabela.
We will try recording next week meeting (with a 5-10 minutes start period without recording)

fcollonval · 2022-02-16T18:37:42Z

16 February 2022

Attendees

Name	Affiliation	GitHub	Favorite Super Bowl ad
Jason Weill	AWS	@jweill-aws	Amazon
Frederic Collonval	QuantStack	@fcollonval
Ely	Bloomberg	@ohrely
Piyush Jain	AWS	@3coins
Carlos Herrero	QuantStack	@hbcarlos
Trung Le	QuantStack	@trungleduc
Vidar Tonaas Fauske	JP Morgan Chase	@vidartf	N/A
Eric Charles	Datalayer	@echarles
Karla Spuldaro	IBM	@karlaspuldaro
Paul Ivanov	Noteable	@ivanov	?
William Stein	SageMath/CoCalc	@williamstein	Dr Strange
A. T. Darian	Two Sigma	@afshin	`null`
Nick Bollweg	Georgia Tech	@bollwyvl @nrbgt	Boston Robotics in Puppy Bowl (Onion)
Jeremy Tuloup	QuantStack	@jtpio
Theodore Aptekarev	Jupyter Community 🎉	@piiq	-
Mehmet Bektas	Netflix	@mbektas
Isabela Presedo-Floyd	Quansight Labs	@isabela-pf
Tony	Quansight	@tonyfast
Damián Avila	2i2c & MADS	@damianavila
Alex Bozarth	IBM	@ajbozarth	cable guy
Pete Blois	Google	@blois
Zach Sailer	Apple	@Zsailer
Matt Henderson	LBNL	@mlhenderson

PRs needing review

Update Playwright snapshots from PR comments #12040
Support dynamic toolbar definition #11963
- downstream

Issues needing triage

6 issues (-19 versus last week 🎉 thanks to you all who help on that front)

Agenda

Frederic
- JupyterLab 3.3
  Thanks to Eric for beta release
  I would like to cut the RC but missing #11963
- Monthly Performance meeting after this one
Jeremy
- Drop nbclassic, depend on notebook_shim: Drop nbclassic, depend on notebook_shim jupyterlab#11894
- Drop the dependency on ipykernel? Drop the dependency on ipykernel? jupyterlab#11958
  [Vidar] it is useful for the JupyterLab python package to have a dependency on ipykernel (low cost, high reward)
  [Paul] as notebook did
  [Nick] we could start having multiple packages: jlab-core, jlab-builder,...
  [Damián] Either way (dependency or meta packages) as long as people get a live running kernel after installing ;-)
Trung Le
- Completer part 2 (Update completer part 2 jupyterlab#11969)
  [Tony] Where does the output come from?
  You can customize the providers (see PR and the previous one)
  [Tony] What format are supported?
  You can bring your own doc renderer
Isabela
- Jupyter community call is next week! Find more information on the Jupyter Discourse
Eric
- Plan to open a JEP for a UI Components - early draft on https://github.com/datalayer/jupyter-react/blob/jep/jep/README.md discussed with Frédéric and Jeremy on draft JEP datalayer/jupyter-ui#10)
Gabriel
- Have a more consistent UX between Retro and Classic in the file manager.
  This issue comment links to a demo using checkboxes to improve accessibility.
  Looking for feedbacks
- Short screenshare/demo
  [Nick] The best would be to able to add a column from extensions
  It will be better to get it in in JupyterLab; maybe in a 3.x release (turn off by default and revising that for 4.0)
  [Paul] Does right-click context menu just work with the checkbox selection? Yes, it should.
  [William] Do the checkboxes work on touch devices (there may not have mouse hover)? One solution is to just show the checkboxes at all times on touch devices. Gabriel confirms this behavior on his Windows laptop in tablet mode.
Tony
- triage meeting moved (find it on the Jupyter community calendar)

Additional discussions

JupyterLite:
- integration in documentation https://numpy.org PR for sympy
- Nick and Jeremy are working to reduce the bundle size
- lab and retro built together
Issue triage for JupyterLab
[Isabela] Does an issue tagged as Needs: info is considered as triage?
[Darian] It should be considered triage

astrojuanlu · 2022-02-22T13:42:49Z

[Isabela] Advocates for having captions/transcriptions of meetings. If anyone knows of a way to get transcriptions, please reach out to Isabela.

@isabela-pf https://otter.ai/ ? (I was skimming the notes and saw this, feel free to direct me to a better place to discuss or move/hide this comment)

fcollonval · 2022-02-23T18:17:10Z

23 February 2022 (📺 video)

Attendees

Name	Affiliation	GitHub	Favorite super hero name (imaginary or not)
Alex Bozarth	IBM	@ajbozarth
William Stein	cocalc/sagemath	@williamstein
Frederic Collonval	QuantStack	@fcollonval
Jason Weill	AWS	@jweill-aws	Phoenix Jones
Layne Sadler	AIQC	@aiqc	Robocop
Gayle Ollington	NumFOCUS	@gollington	Atomic Blond
R Ely	Bloomberg	@ohrely	Squirrel Girl
Gabriel Fouasnon	Quansight	@gabalafou	Wolverine? Doctor Manhattan is pretty cool too
A. T. Darian	Two Sigma	@afshin
Tony Fast	quansight	tonyfast
Blaine Mooers	OUHSC	@MooersLab
Piyush Jain	AWS	@3coins
Martha Cryan	IBM	@marthacryan
Mehmet Bektas	Netflix	@mbektas
Jason Grout	Databricks	@jasongrout
Eric Charles	Datalayer	@echarles
Jeremy Tuloup	QuantStack	@jtpio
Zach Sailer	Apple	@Zsailer
Karla Spuldaro	IBM	@karlaspuldaro
Craig Citro	Google	@craigcitro	Rai
Matt Henderson	LBNL	@mlhenderson

PRs needing review

Issues needing triage

7 opened issues (+1)

Reviewed at meeting:

Auto activate virtual environment (from kernel) #12039 — extension idea
allow linear-gradient in background-image html styling within Markdown cells #12093 — extension idea
Filebrowser - clicking the folder icon should set the current directory to preferred directory #12098 — accepted
Easier copying of the current file #12099 — accepted
Resize scrolled output #12100 — accepted
Import numba and cupy [sic] to a notebook #12102 — accepted, advice to use Anaconda prompt

Agenda

@jasongrout: Introduce Gayle Ollington: Jupyter Community Events manager
- Jupyter Community Building Committee Charter
- December 2021 Jupyter Community Update
- Keep an eye out for an upcoming blog post with a survey about JupyterCon
JupyterLab 3.3
- Blocking issue Opening keyboard shortcuts UI result in "destruction" of shortcut settings
  
  What to do for plugin setting that defines transformation? Should we add registration of a transformation prior to saving? Or a transformer prior to saving when registering the custom setting editor.
[Jason G.] You may be able to treat them as sets for diffing, if it helps.
- WIP Announcement document
  Where to publish? Discourse 👍
Alex
- @marthacryan, @jasongrout, and I submitted a "What's new in Jupyterlab" talk proposal to SciPy. We're also looking into submitting a tutorial proposal as well.
Jason W
- PR 12028: WIP changes for cell toolbar (issue 9733, Binder share link)
  - Known issue: How to watch each cell for changes to show/hide the toolbar as the user edits it (MutationObserver? Recurrent changes?)
  - Known issue: How to detect overlap for rendered Markdown?
  - Discourse discussion
    [William] Here’s what it looks like in CoCalc. It’s just above it to the left. In Colab it is above, and to the right.
    [Nick] prompt area is a whitespace wasteland
    [@jasongrout] - vs code has it floating just above the text, intersecting the cell outline, with a ... button with a lot of options.
    [Craig] Discussion for Colab - change the opacity of the toolbar depending if the mouse pointer is close or not.
    [Darian] For this V1, where the toolbar disappears if text overlaps, is having a keyboard shortcut or something to explicitly show the toolbar.
    [Frederic] May be collapsing it to a button ... overlapping the border like for the toolbar.
- Should we continue to have the triage meeting at 10:00 AM PST on Thursdays?
  - Keeping it on the calendar at least for now, especially useful when we don't have time during the Wednesday meetings for triage
  - If we end up cancelling triage regularly, remove it from the shared Google Calendar
Jeremy
- Drop nbclassic PR is ready to go: Drop nbclassic, depend on notebook_shim jupyterlab#11894
- Follow-up PR to merge: Extract markdown parser in its own plugin. jupyterlab#11971
- Then make a new 4.0.0ax release
@tonyfast
- a11y meeting after this https://hackmd.io/WnaWXboXSiGoqWvev_fAvA
@jasongrout: Update on RTC and the cell-level undo issue?
- See Allow to disable the document-wide history tracking jupyterlab#10791 (comment)
- See [WIP] cell-based undo manager. jupyterlab#11640

Additional discussions

Release process PR - maintainer list (thanks to @jtpio)
[Darian] Transition from notebook 6 to 7 - for the pre-release of v7, communicate with a blog post to highlight the coming breaking change. The blog post will direct to a place to centralize issue (probably not GitHub)

meeseeksmachine · 2022-03-01T17:21:09Z

This issue has been mentioned on Jupyter Community Forum. There might be relevant details there:

https://discourse.jupyter.org/t/captioning-and-or-transcription-for-project-jupyter-calls/13212/1

isabela-pf · 2022-03-01T17:21:45Z

@astrojuanlu since this is (probably) a cross-project problem, I've created a Discourse topic for further discussion. Thank you so, so much for following up!

afshin · 2022-03-02T19:23:55Z

2nd March 2022

Attendees

Name	Affiliation	GitHub	Favorite fish
Jason Weill	AWS	@jweill-aws	Sockeye salmon
Eric Charles	Datalayer	@echarles
Trung Le	QuantStack	@trungleduc
Ely	Bloomberg	@ohrely	angler
Jason Grout	Databricks	@jasongrout	Salmon? I'm still in awe at their endurance.
William Stein	CoCalc	@williamstein	Salmon? (I saw them spawning this year at the Cedar river... amazing.)
Layne Sadler	AIQC	@aiqc	blobfish
Frederic Collonval	QuantStack	@fcollonval
Tobias Krabel	Databricks	@tkrabel / @tkrabel-db	Salmon
Mehmet Bektas	Netflix	@mbektas
Craig Citro	Google	@craigcitro	My childhood goldfish
A. T. Darian	Two Sigma	@afshin
Matt Henderson	LBNL	@mlhenderson
Alex Bozarth	IBM	@ajbozarth
Gabriel Fouasnon	Quansight	@gabalafou	Hamachi / yellowtail
Vidar T Fauske	JP Morgan Chase	@vidartf	Sun fish
Jeremy Tuloup	QuantStack	@jtpio
Pete Blois	Google	@blois	Carp
Isabela Presedo-Floyd	Quansight Labs	@isabela-pf	sunfish!
Martha Cryan	IBM	@marthacryan

PRs needing review

Issues needing triage

10 issues

Agenda

Jason W: Cell toolbar pull request (Binder) — please take a look, provide feedback on UX
Tobias K:
- Add dist/ folder back to @jupyterlab/services releases (issue)
  It is fixed by #12143
- Expose @jupyterlab/services.KernelConnection publicly
  - Next step: Tobias open PR, including an explanation of why they need access to the KernelConnection
Frederic:
- Should we remove the tooltip extension following the completer rework?
  - We probably want to preserve the different shortcuts in order to avoid disrupting the workflow
  - In LSP there are explicitly other calls than completer like to get the signature,... .
- Should we forbid Ctrl and to enforce Accel in all keyboard shortcuts? follow-up of that issue - documentation
  Draft testing PR
  - This is probably not a generic to convert all Ctrl to Accel
  - The recent issue with Ctrl-Enter shows that we do have a valid usecase for using Ctrl instead of Accel, so as long as there is a way to note exceptions.
  - FYI: in Notebook 6.0, when a notebok cell is selected in command mode, Cmd Enter does not do anything. In Notebook 6.4.8, Cmd Enter does the same as Ctrl Enter, i.e., run cells without advancing or creating a new cell.
Trung:
- Render widgets on all clients in collaborative mode (Render widgets on all clients in collaborative mode jupyterlab#11494)
  - it will be good to add a title (visible on hover or with screen reader) on the trust button next to the output to describe the result of the click event.
Jeremy
- 3.3.0 release is ongoing...
- Update: it's available on PyPI: https://pypi.org/project/jupyterlab/3.3.0
  Annoucement on Jupyter discourse
- There will be 3.3.x releases with bug fixes
- Document the JupyterLab Release Process PR is ready for review: Document the JupyterLab Release Process jupyterlab#12074
- Notebook v7 PR has been opened: Notebook v7 scaffolding jupyter/notebook#6294
Mehmet
- JupyterLab Desktop v3.2.9-1 Release
  - Proper Python environment activation
  - Upgrade to JupyterLab 3.2.9
  - Upgrade to Electron 15
- JupyterLab Desktop Stats
  - ~ 15k users
  - Used as default tool for some tutorials
Isabela
- I opened a discussion for captioning and/or transcribing these meetings if we're going to record them. Tell people cross-project since I think this could benefit all of us.
- I have a draft blog post to announce the next Jupyter accessibility workshops. If anyone here with blog access would like to review, that would be great.
- (P.S. recordings for the last two workshops are now available 🎉)
Layne
- Cell toolbar feedback (have the binder open)

Additional discussions

Anyone in Austin? Gayle Ollington (introduced last week, the new Jupyter Community Events manager) would love to meet up in person with Jupyter people in the Austin area.
- @ajbozarth I'm based in Austin
- @marthacryan I'm also in Austin
Anyone going to PyCon?
- @jasongrout is checking into going
- layne going.
Scipy 2022: FYI, a "What's new in JupyterLab" talk was submitted as well as a "Developing JupyterLab Extensions" tutorial.
FYI, in the next ipywidgets dev meeting (Tuesday 8 Mar, 9:30am PT, your time), Pete Blois will be giving a short walkthrough of how Colab implements ipywidgets. We plan to record this walkthrough, and hope to have more people present on how they've implemented ipywidgets in other platforms in the future. Some background- https://colab.research.google.com/gist/blois/9c9c66b4e1e9672b123f2ed8cda9091d/colab-widgets.ipynb

ajbozarth · 2022-03-09T22:33:53Z

9th March 2022 (📺 video)

Attendees

Name	Affiliation	GitHub	Favorite poem
A. T. Darian	Two Sigma	@afshin	Beowulf
Jason Weill	AWS	@jweill-aws	The Road Not Taken
Jason Grout	Databricks	@jasongrout	One I like is The Bridge Builder
Layne Sadler	AIQC	@aiqc	The Second Coming
Carlos Herrero	QuantStack	@hbcarlos
Jeremy Tuloup	QuantStack	@jtpio
Vidar T Fauske	JP Morgan Chase	@vidartf	Håvamål?
Alex Bozarth	IBM	@ajbozarth
William Stein	SageMath/CoCalc	@williamstein	Poems make no sense to me
Gabriel Fouasnon	Quansight	@gabalafou	The Summer Day. Also the song lyrics to The Past is a Grotesque Animal
Rick McGeer	engageLively	@rickmcgeer	Kubla Khan
Frederic Collonval	QuantStack	@fcollonval
Craig Citro	Google	@craigcitro	the refrigerator haiku
Martin Renou	QuantStack	@martinRenou
Pete Blois	Google	@blois	Rime of the Ancient Mariner
Michal Krassowski	Oxford	@krassowski
Matt Henderson	LBNL	@mlhenderson
Martha Cryan	IBM	@marthacryan
Isabela Presedo-Floyd	Quansight Labs	@isabela-pf	Favorite is difficult, but Ella Frears' Horror Vacui has been stuck in my head.
Andrii Ieroshenko	Cal Poly Jupyter	@andrii-i	Eneida

PRs needing review

Notebook search based on data model

Issues needing triage

15 issues (+5)

Agenda

Frederic: command list in the doc - Associated PR
- New top-level entry? Or with the keyboard shortcuts?
  Add top level section Commands that contains Palette and List. Add information that commands may required arguments and those may be different for the palette and for the shortcuts.
Jason W: cell toolbar PR 12028 — Feedback sought on usability, accessibility, etc. (Can do a demo or two)
- The left/right arrow shortcuts were added recently in the Collapsing heading shortcut PR. I think these have not been released yet, so there would be no backwards compatibility issues with adjusting them.
  - @jasongrout thinks these shortcuts should be reconsidered if they are complicating further implementation and accessibility
Jeremy
- First Notebook v7 pre-release (thanks Zach!) 🎉 https://github.com/jupyter/notebook/releases/tag/v7.0.0a1
- Install with pip install --pre notebook
@jasongrout
- Planning to do a 3.3.1 release today. Was the procedure for the 3.3.0 release recorded? No it wasn't - the one of Steve is still valid
- issue on Real-time collaboration data loss?
Martin
- RTC left panel with collaborators list
  GIF
Vidar
- Looking at improving debugger support for libs/modules
  - Filtering only by module/path is not sufficient, and is the only thing supported out of the box by debugpy/pydevd.
  - Did anyone look at the feasability of using __tracebackhide__ == "__ipython_bottom__" in pydevd similar to how the PDB extension in IPython?
Alex
- Is anyone working an updated launcher? We previously discussed a rehaul of the launcher but I can no longer find the issue on Github. I am interesting in starting preliminary work on it if no one is already started
- Old refactored PR
- old issue: Improve user experience in Launcher jupyterlab#3795
  - data driven launcher discussed in November '21: Weekly Team Meetings: Aug-Dec 2021 #128 (comment)
- There are lots of extensions that tune it jupyterlab-starters, jlab-enhanced-launcher, https://stackoverflow.com/questions/58344927/customizing-jupyterlab-launcher
- should the launcher be available as a side panel? Previous discussion in Side-Panel Launcher jupyterlab#3128
- should the launcher be opened by + button next to tabs like in a browser? Should be eased by that lumino PR
- make it more configurable
  - one example: Make core launcher categories configurable jupyterlab#6202
- Some extensions will want to add things to the launcher more "free form", e.g. maybe the "jupyterlab favorites" extension would want to add the list of its favorites to the launcher.
Andrii
- [off-topic] Emergency trauma kits support request for Ukraine/Kyiv: https://www.amazon.de/hz/wishlist/ls/1S4FQIWES2SXE?ref_=wl_share. Alternative ways to help: https://supportukrainenow.org/
  - Extended message:
    Kyiv, my hometown and city of 3 millions, is getting shelled every day. My close friend is a surgeon on the ground and he desperately needs medical supplies to treat emergency trauma in the field and he asked for help in form of emergency trauma kits. There is no reliable direct delivery to Kyiv anymore so first aid kits would be shipped to Vienna by Amazon and then to Kyiv by Ukrainian volunteers (mostly my classmates and their families and close friends).
    - Emergency kits wishlist at Amazon DE Careful: it’s Amazon DE (Germany) so US residents usually need to warn their bank about planned transaction with Europe or bank might freak out and block their card
    - Alternative ways to help: https://supportukrainenow.org/

Additional Discussion

Jeremy: JupyterLite on try.jupyter.org: https://jupyter.org/try
- Demo repo: https://github.com/jupyter/try-jupyter
- PR for context: Use JupyterLite for try.jupyter.org jupyter/jupyter.github.io#682

isabela-pf · 2022-03-16T17:26:37Z

16th March 2022 (📺 video)

Attendees

Name	Affiliation	GitHub	Favorite upcoming movie
Alex Bozarth	IBM	@ajbozarth	Doctor Strange
William Stein	CoCalc	@williamstein
Layne Sadler	AIQC	@aiqc	Devil in the White City
Piyush Jain	AWS	@3coins
Frederic Collonval	QuantStack	@fcollonval
Gabriel Fouasnon	Quansight	@gabalafou	The Northman
A. T. Darian	Two Sigma	@afshin
Jeremy Tuloup	QuantStack	@jtpio
Isabela Presedo-Floyd	Quansight Labs	@isabela-pf
Matt Henderson	LBNL	@mlhenderson
Jessica Xu	Jupyter community	@jess-x

PRs needing review

Issues needing triage

11 issues opened

Agenda

Alex
- Followup to last week I opened #12195 to add a "New Tab" type button to open the launcher. Willing to demo if there's interest.
- Who's active on jupyterlab-git nowadays? I'm unsure who to ping to get review on #1090
  - I (fcollonval) am
Frederic
- Performance meeting after this one.
Piyush
- Dataset/Data Registry: Data as first class entity in JupyterLab. I have opened a PR here; did not know where this should exist, so created a new temp repo. The repo has user stories, and README only which details the concepts. Would like all to take a look and provide feedback.
  - Move the changes to original repo: https://github.com/jupyterlab/jupyterlab-data-explorer and ping some original contributors for feedback
Isabela
- The needs triage brought me to this issue about citing JupyterLab. I thought we had a citation guide. Am I just missing it?
- Currently: there's no standard.
- In the future, a submission to JOSS would give us a DOI.
- GitHub supports CFF.
- nick: "but people still dig bibtex at the bottom of READMEmd"
- Other project examples
- Next steps: Isabela to open team-compass issue so this may be resolved in the future.
Nick
- webpack: lab 4.0 should evaluate replacing url-loader and file-loader with assets (started on lite)

fcollonval · 2022-03-24T10:56:53Z

23rd March 2022 (📺 video)

Attendees

Name	Affiliation	GitHub	Favorite Dance style or move
Alex Bozarth	IBM	@ajbozarth	Swing dancing
Layne Sadler	AIQC	@aiqc	Disco
Piyush Jain	AWS	@3coins
R Ely	Bloomberg	@ohrely	Waltz
Mehmet Bektas	Netflix	@mbektas
A. T. Darian	Two Sigma	@afshin
Karla Spuldaro	IBM	@karlaspuldaro
Jason Weill	AWS	@jweill-aws	Breaking (in video games only)
Martha Cryan	IBM	@marthacryan
Steven Silvester	MongoDB	@blink1073	Lawn Mower
Kevin Jahns	Yjs / QuantStack	@dmonad
Gabriel Fouasnon	Quansight	@gabalafou	Everything in the opening scene of the movie Climax
Sylvain Corlay	QuantStack	@SylvainCorlay	Salsa!
Frederic Collonval	QuantStack	@fcollonval

PRs needing review

Issues needing triage

12 issues opened (+1)

Agenda

Frederic:
- Open terminal in cwd from launcher #12250
  Backport to 3.3.x request? --> Start 3.4.x series
- CZI EOSS 5 letter of intent to support notebook v7 (maintenance and documentation)
  PR opened for discussion
Isabela (can't attend today)
- Reminder! There is an accessibility meeting fifteen minutes after this meeting. Please feel free to join in!
- The monthly Jupyter community call will be this upcoming Tuesday! Double check the calendar to make sure you have the right time. Hope to see you there!
Jason W
- Cell toolbar pull request (PR 12028) now out of WIP
  - Should the cell toolbar be backported to 3.3.x? 3.4.x?
    Broad support to make it a 3.4 feature
- canStartKernel option requested — issue 12259 and PR 12260
  - To be revised: preferKernel is requested as an option, not canStartKernel
- Editable paths in file browser — issue 12221 includes some UI concepts
Piyush
- Data Registry PR: #149, posted this on the jupyterlab-data-explorer repo. Binder link is added to the PR to try.
Mehmet
- JupyterLab Desktop v3.3.2-1 Release
  - Fix for sub conda environment activation problems
  - Upgrade to JupyterLab v3.3.2
Darian
- JupyterLab Notifications -- let's bring a version of this into JupyterLab 4
Mike
- add label "Status:Needs Design" or just keep "Status:Needs Discussion"
- markdown in settings editor RFC issue #12058

Additional discussions

Frederic: web components in Jupyter - follow-up and demo.

fcollonval · 2022-03-30T17:22:56Z

30th March 2022 (📺 video)

Attendees

Name	Affiliation	GitHub	Favorite emoji
Alex Bozarth	IBM	@ajbozarth
Frederic Collonval	QuantStack	@fcollonval
Vidar T Fauske	JP Morgan Chase	@vidartf	👀
Jason Weill	AWS	@jweill-aws	🙆🏻‍♂️
Layne Sadler	AIQC	@aiqc	🔮
Karla Spuldaro	IBM	@karlaspuldaro
R Ely	Bloomberg	@ohrely	👻
A. T. Darian	Two Sigma	@afshin	🤓
Gabriel Fouasnon	Quansight	@gabalafou	💩
Michał Krassowski	Oxford	@krassowski
Mehmet Bektas	Netflix	@mbektas
Jeremy Tuloup	QuantStack	@jtpio
William Stein	CoCalc/SageMath	@williamstein	🤷 https://gist.github.com/rxaviers/7360908
Craig Citro	Google	@craigcitro	:face_with_cowboy_hat:
Pete Blois	Google	@blois	💣
Matt Henderson	LBNL	@mlhenderson
Isabela Presedo-Floyd	Quansight Labs	@isabela-pf	🌻
Piyush Jain	AWS	@3coins	🙀
Martha Cryan	IBM	@marthacryan

PRs needing review

Check data based config #12116
Notebook search based on data model #11689

Issues needing triage

8 issues (:tada: to Jason W. for the house keeping)

Triage meeting Thursday at 10:00 PDT / 17:00 UTC

Agenda

Frederic:
- JupyterLab 3.4.0: Target date and list of features see issue
  Freezing date for the feature list on Friday and final look next Wednesday. Then the release will start when those PRs are merged.
- PRs needing review - see list above
- Icons for JupyterLab: where to store them? All in ui-components, split in extensions?
  Add a preferred-dir icon to the file browser crumbs
  Add note to the documentation for core contribution acknowledging that is should be in ui-components.
- Need help to get to analyze a asyncio bug breaking JLab at start up.
- CZI EOSS 5 letter of intent to support notebook v7 (maintenance and documentation)
  PR opened for discussion - Jupyter Steering committee approval request
Gabriel:
- My checkboxes PR got me brainstorming with Isabela about what to do with the kernel status indicator
- Isabela: the status indicator doesn't apply to every type of file (or folder), so should it have its own column? Or could we do something like this:
- Versus:
- Follow-up question: if we like Isabela's idea, should we push pause on my PR (while I implement Isabela's idea) in order to reduce potential UI churn?
- Notes from discussion during meeting:
  - Several people were unclear about what that kernel status indicator means
  - Add tooltip to dot
  - Put into user-configurable column. Keep this status indicator in a column, but one the user can show/hide.
  - Cannot rely on open tab for kernel status because kernel can be running for file even if that file is not open in the main dock area.
  - Hold release of checkboxes to be paired with solution for kernel status indicator
  - Putting checkboxes feature behind flag could ease coordination around releasing
Mike
- Tabbar scrolling lumino#297 and #12278
  - should minimum tab width and scrolling rate be settings?
Mehmet
- JupyterLab Desktop v3.3.2-2 Release
  - Installs bundled Python environment on demand, if no (compatible) environment set
  - macOS code signing and notarization
  - DMG installer for macOS
Alex
- The "Developing Extensions for JupyterLab" tutorial at SciPy has been accepted as a standby candidate

Additional discussions

Frederic: web components in Jupyter
toolkit repo
- Needs: feedback on if this is the right path.
- The response is more that attendees did not have informed opinions yet and need to look into this more.
- If we can't get enough community feedback, this may be our first example of voting via the JupyterLab council (still being developed at this team-compass PR).
- Gabriel: To reiterate what Isabela, Martha, and others have said, a place where the concerns are being tracked would be useful to structure these conversations moving forward. For example, I thought that at the end of last week’s meeting, the talking points in terms of concerns about this were: do we feel comfortable leaning on Microsoft? How much does adding this “weigh” (bundle size, learning curve for new users, etc.)? Today, I had a hard time understanding what concerns we were actually trying to talk about and tease apart --> Issue opened for discussion: Introducing a toolkit in JupyterLab #143

afshin · 2022-04-07T11:39:03Z

6th April 2022 (📺 video)

Attendees

Name	Affiliation	GitHub	Favorite Season
Alex Bozarth	IBM	@ajbozarth	Late Fall
Jason Weill	AWS	@jweill-aws	Early spring
Layne Sadler	AIQC	@aiqc	Summer (New England)
A. T. Darian	QuantStack	@afshin	Spring
Frederic Collonval	QuantStack	@fcollonval
Karla Spuldaro	IBM	@karlaspuldaro	Fall
Vidar T Fauske	JP Morgan Chase	@vidartf	Spring
Isabela Presedo-Floyd	Quansight Labs	@isabela-pf	Fall!
Craig Citro	Google	@craigcitro	anything but summer on the east coast
Martha Cryan	IBM	@marthacryan	Fall
R Ely	Bloomberg	@ohrely	Mushroom
Kevin Jahns	Yjs / QuantStack	@dmonad
Jason Grout	Databricks	@jasongrout
Kevin Bates	IBM	@kevin-bates	Fall
Gabriel Fouasnon	Quansight	@gabalafou	Fall
Piyush Jain	AWS	@3coins	Spring
Michał Krassowski	Oxford	@krassowski
William Stein	CoCalc	@williamstein	Winter

PRs needing review

Issues needing triage

Agenda

Darian
- Update my affiliation
Frederic
- JupyterLab 3.4.0: Features list review
  - Do a beta release in a week
  - Release by (early or end?) of May
  - Can you put the timeline on the 3.4.0 issue description?
- Race condition between plugins '@jupyterlab/filebrowser-extension:browser' (defines commands) and '@jupyterlab/filebrowser-extension:widget' (add browser to sidebar)
  - Create Token without API as optional dep
  - Related issue (?)
- New repository for Data Registry discussion
  - Renaming the existing is the solution suggested
Eric (can not join today meeting)
- Plan to cut a patch release 3.3.3 tomorrow
Alex
- Demo/Pitch: Code Viewer, a transient read-only "editor" for displaying non-persisted code. Currently released as a 3rd party extension in the Elyra project. Code
  - What happens when you refresh the browser tab? Answer: it completely goes away (demo in video)
  - That would be useful for LSP extension to do jump to definition to files which are outside of the root directory.
  - This may be a step towards being able to create files without immediately saving. For example, adding a "save" option to the viewer allows you to persist the content to disk. This is in line with most other editors that let you start editing immediately, then save to a file later.
  - I've opened Introduce a transient Code Viewer to core jupyterlab#12361 for further discussion. If I see enough approvals there I will begin work to add this to core as pitched.
Jason W
- Release date expectations for 3.3.3, 3.4.0?
  - From earlier in meeting: 3.3.3 expected April 7 (per @echarles) and 3.4.0 expected to be released in early May (per @fcollonval)
- Cell toolbar PR 12028 feedback sought
Isabela
- JupyterLab citation issue is open!
- JupyterLab accessibility will be happening 15 minutes after this one ends

Additional discussions

Frederic: web components in Jupyter
toolkit repo - discussion
- Who does it benefit? Does it make things easier for contributors?
- Do we want to invest in depending on these libraries and converting JupyterLab to follow it?
- Will this be used with ipywidgets? What is the scope of the impact in the Jupyter ecosystem (ie. only JupyterLab or multiple projects)? Answer: it's not a given that it would be used for ipywidgets, but the first step might be to make a custom ipywidget library that uses these controls (similar to existing libraries providing material or Vue controls).
- How big does this make the JupyterLab bundle when added? (lighter than bluprint)
- When web components have been advocated for before, one of the problems has been that the global namespace means that there may be conflicts between packages with the same name. How has that been addressed here. (Pinning one version worked in a past demo)
- Concern: is this a library we are confident in depending on.
  - Clarification: it doesn't sound like anyone is against the web components part, it's more important that we find a solution that resolves any issues with conflicting component names (Isabela wrote this and is not confident she understood this discussion fully; take this section lightly 😆)
  - We need this change, it's a question if this is the library we want to support this change.
  - Is this library open governance or open source?
What is the current status of uploading recorded dev meetings to youtube? Answer: Darian is working on the technical details, to be able to download the videos from zoom to be able to upload them to youtube.
Anyone going to PyCon US in a few weeks in Salt Lake City, UT?
- possibly @jasongrout

fcollonval · 2022-04-13T17:00:41Z

13th April 2022 (📺 video)

Attendees

Name	Affiliation	GitHub	Favorite tea?
Isabela Presedo-Floyd	Quansight Labs	@isabela-pf	peppermint
Ely R	Bloomberg	@ohrely	honeybush + lemongrass
Piyush Jain	Amazon	@3coins
A. T. Darian	QuantStack	@afshin	matcha
Karla Spuldaro	IBM	@karlaspuldaro	maple chai
Pete Blois	Google	@blois	bubble tea
Martha Cryan	IBM	@marthacryan	rose
Jason Grout	Databricks	@jasongrout	Peppermint?
Rick McGeer	engageLively	@rickmcgeer	Texas
Jason Weill	AWS	@jweill-aws	Green
Alex Bozarth	IBM	@ajbozarth	Chamomile
William Stein	CoCalc	@williamstein	Espresso
Gabriel Fouasnon	Quansight Labs	@gabalafou	Peet's used to have this Russian Caravan tea. Another contender: Yunnan Gold

PRs needing review

Issues needing triage

Agenda

Frederic
- CZI EOSS 5 Notebook v7 maintenance and documentation LOI - application by Friday
- Performance meeting after this one
- Backport PR #12258 - Default is no virtual rendering + Relax virtual notebook rendering on idle
  - Should it target 3.3.x or 3.4.0?
- PRs in needs review
- Let's set up a date and time for the UI toolkit discussion.
- I will release 3.3.x, create 3.4.x and release 3.4.0b0 tomorrow.
Jason W
- Cell toolbar is merged in! Thank you Frédéric!
- JupyterLab version control status?
  - PR Add option to choose checkpoint
- Q from internal team: When installing different extensions as pre-built extensions that share some libraries, do we get these libraries duplicated in the code vended to the browser?
  - The core packages (and lumino's) are part of the shared namespace. But for extensions, the other dependencies will be bundled by webpack with the extension assets. They may be shared using the extension package configuration (see documentation). Direct dependencies of an extension are configured to be shared by default (see builder code).
Alex
- I archived the Jan-March hackmd agenda (link at the bottom of this hackmd)
- I opened #12365 to add my code viewer widget to core (as demoed last week). IIUC the only blocking issue is to support restoring. Review would be appreciated.
Nick
- Adoption of markdown-it as markdown parser instead of marked
- Cocalc is using markdown-it
  - To deal with math similarly as JLab and classical notebook, it was not possible to use directly an existing plugin
- Google Colab is not - moving to markdown-it sounds a bit scary (there are lots of edge cases to deal with Math)
- The main point would be to document what is supported and used to deal with special elements rendering. And in addition having a set of notebooks of reference cases for others to check they are aligned.
- Next steps:
  - Defining “CommonMark + this syntax for math rendering” would be a big step forward. This is a JEP [jasongrout].
  - Set up regression tests with reference markdown: issue - where to find challenging markdown

Additional discussions

FYI, Don Jayamanne (VS Code) is presenting for 30 minutes on how ipywidgets works in VS Code in our next ipywidgets dev meeting: Tuesday, 19 Apr 2022, 10am Pacific (local time) (ipywidgets dev meeting starts at 30 minutes earlier, and you are welcome to join that as well).
Security and supported release/end of life dates.
- Add version support timelines to documentation jupyterlab#12397

fcollonval · 2022-04-21T07:25:12Z

20th April 2022 (📺 video)

Attendees

Name	Affiliation	GitHub	Favorite Coffeeshop
Alex Bozarth	IBM	@ajbozarth	Linnaea's (SLO)
Jason Weill	AWS	@jweill-aws	Milstead & Co.
Frederic Collonval	QuantStack	@fcollonval
A. T. Darian	QuantStack	@afshin
Jason Grout	Databricks	@jasongrout
R Ely	Bloomberg	@ohrely	Baked & Wired (DC)
Gabriel Fouasnon	Quansight Labs	@gabalafou
Mehmet Bektas	Netflix	@mbektas	Peet's
Isabela Presedo-Floyd	Quansight Labs	@isabela-pf
Nick Bollweg	Georgia Tech	@bollwyvl @nrbgt	Park Grounds (ATL)
Martin Renou	QuantStack	@martinRenou	My House
Nicolas Brichet	QuantStack	@brichet
Matt Henderson	LBNL	@mlhenderson
Craig Citro	Google	@craigcitro	Isabel's Espresso
William Stein	CoCalc	@williamstein	My House
Rosio Reyes	Anaconda	@RRosio	Main Street

PRs needing review

Issues needing triage

Agenda

Isabela
- Recordings of these meetings for the past few weeks are now on youtube.
- April's Jupyter community call will be next week. Please note the different time!
  - Twitter poll for community call cadence in the future (Please weigh in!)
- JupyterLab accessibility meeting will be on this channel 15 minutes after this one.
Frederic
- JupyterLab 3.3.4 released: changelog
- JupyterLab 3.4.0-alpha.0 coming ... still missing the backport of the cell toolbar
- Jupyter Toolkit discussion on Friday April 22th 8:30am Pacific Time (event link)
- Markdown parser for Jupyter: set up of CI tests in the benchmarks repo
Nick
- jupyterlab-webrtc-docprovider initial release pending, implements shared documents without server sharing, powered by y-webrtc and free (as in beer) signaling servers
Gabriel
- integrity has been giving me grief
- This command fails for me locally:
  python -m pre_commit --hook-stage push --from-ref origin/branch-name --to-ref branch-name integrity
- But the underlying command succeeds:
  npm run integrity --force
- My workaround:
  git push --no-verify
- Has anybody else had any issues with git hooks (commit, push) since #12279 Use pre-commit merged 23 days ago?
- Here's more stuff I posted on Gitter
- Darian's "clean everything" script:
```
  time (git clean -fdx \
  && pip uninstall -y jupyterlab jupyterlab_server nbclassic jupyter_server \
  && pip install -U -v -e . \
  && pip install -e ".[test]" \
  && jlpm install \
  && jlpm run build \
  && jlpm run build:core \
  && jupyter lab clean \
  && jupyter lab build \
  && say "I finished building JupyterLab from source.")
if [ "$?" != 0 ]; then
    say "I failed to build JupyterLab from source."
    exit 1
fi
```

Additional discussions (include topics that are probably more than 5 minute)

ipywidgets in VS Code discussion was postponed to next Tuesday: @DonJayamanne will be presenting on the VS Code ipywidgets implementation for 30 minutes during our ipywidgets dev meeting (Tuesday April 26, zoom link). We'll plan to start Don's presentation halfway through the meeting at 10am PT (your time).
- (williamstein) good, since I wanted to go but missed it due to family/travel
Anyone going to PyCon US and want to meet up?
- @jasongrout
Markdown parser
- Considerations:
  - The target goes to supporting gfm + some features:like adding title id and links, LaTeX, cell attachments, (is ther something more?).
  - We need a tests suite for others to see what we support and how and for other tools developers to be able to validate their tools.
  - [William] Be careful to not have a too broad list of tests because it may jeoparize moving to something else.
  - [Nick] It will be good to add some information about the markdown flavor (plugins,...) used in markdown cells; mimetype could be a good place.
  - [William] nbconvert could probably deal with math using Katex or MathJax.
- GitHub is not using gfm for rendering markdown in notebook: Task list notebook example (thanks William for the example)
- markdown in Colab : Nothing formal/specified; we have a large battery of tests that we use for avoiding surprising changes. (Someone on our team was talking about trying to help convert those tests on top of what Frederic is doing once it's landed.)
  We've talked about this a lot, and wish we had a standard we could point to.
  It uses marked
- Next steps:
  - Create a list of the current tests suite with markdown input, expected commonmark-gfm html, jupyterlab html
  - Group those tests in type of differences to figure out if they are intended, need to be fixed,...
  - (WilliamStein) in CoCalc we have a tiny little list of "special markdown features" in our documentation:
    - https://doc.cocalc.com/markdown.html#special-features-in-cocalc-markdown
    - I wish it was much more detailed.
    - I wish there was something similar from Jupyter (maybe there is?). Then we would at least say how what we did differs at a high level.

We will deal with nbconvert alignment with web renderer in a second step

fcollonval · 2022-04-28T05:58:03Z

27th April 2022 (📺 video)

Attendees

Name	Affiliation	GitHub	Favorite Genre of Food
Frederic Collonval	QuantStack	@fcollonval
Alex Bozarth	IBM	@ajbozarth	Italian
Luciano Resende	Apple	@lresende	Brazilian Barbecue
A. T. Daria	QuantStack	@afshin
Carlos Herrero	QuantStack	@hbcarlos
Jeremy Tuloup	QuantStack	@jtpio
Mehmet Bektas	Netflix	@mbektas
Karla Spuldaro	IBM	@karlaspuldaro	Greek
William Stein	CoCalc	@williamstein
Pete Blois	Google	@blois	bottom-shelf 7-11 candy
Martha Cryan	IBM	@marthacryan
Rosio Reyes	Anaconda	@RRosio
Matt Henderson	LBNL	@mlhenderson
Sean O'Steen	Blue Yonder	@seanosteen	Mexican Food
Isabela Presedo-Floyd	Quansight Labs	@isabela-pf	starch + hot sauce
Jason Grout	Databricks	@jasongrout

PRs needing review

Issues needing triage

Agenda

Luciano
- Elyra as a Jupyter project: PR90
Carlos
- Refactor RTC: Step 2 RTC, removes ModelDB and deduplicates the content jupyterlab#12359
Jeremy
- JupyterLab 4.0.0a24:
  - Release notes: https://github.com/jupyterlab/jupyterlab/releases/tag/v4.0.0a24
  - Try it on Binder: https://mybinder.org/v2/gist/jtpio/4e9a3d435d7c3950dc4150c10abbb1d7/HEAD?urlpath=lab
- Notebook 7.0.0a3:
  - Release notes: https://github.com/jupyter/notebook/releases/tag/v7.0.0a3
  - Try it on Binder: https://mybinder.org/v2/gist/jtpio/d368ab89cee5123ecee60683115e15f3/master?urlpath=/tree
Mehmet
- JupyterLab Desktop v3.3.4-2 Release
  - Auto-update support for macOS
  - Upgrade to JupyterLab v3.3.4
- Working with NumFOCUS to code-sign Windows version
Frederic
- Jupyter UI Toolkit: discussion
  Conclusion of last week discussion (specific meeting): The attendees are in favor of adopting of a toolkit based on FAST design for JupyterLab
  Next step: Request JupyterLab Council agreement.
  --> Tag the team in the issue for the council to vote (using emojis)
- From issue Should outputs respond to changes in the theme?
  Should we modify of the rendermime-interfaces?
  The discussion on this point goes to not extend the interface. So using a MutationObserver is a good solution for this.
  See issue for more details.
- JupyterLab 3.4.0: Beta released yesterday. Current plan: RC tomorrow and final on Monday.

Additional discussions

Simple mode - what issues are particularly relevant to understanding the design and thinking?
- We collected some issues to discuss for future improvements here
- Just before it was released, we changed the name from single-document mode to simple mode, so searching for "single-document" mode will yield some relevant issues/PRs.
- Originally, single-document mode was present in early JupyterLab releases, dating back to early Phosphor days.
- @jasongrout is happy to talk about context and decisions, if there are questions.

afshin · 2022-05-05T09:45:57Z

4th May 2022 (📺 video)

Attendees

Name	Affiliation	GitHub	Favorite Star Wars character
Alex Bozarth	IBM	@ajbozarth	R2-D2
A. T. Darian	QuantStack	@afshin	Ahsoka
David Brochart	QuantStack	@davidbrochart
Jason Weill	AWS	@jweill-aws	IG-11
Vidar T Fauske	JP Morgan Chase	@vidartf	Ewok Villager #3
Steven Silvester	MongoDB	@blink1073	Mando
Craig Citro	Google	@craigcitro	Mark Hamill (he's quite a character)
Adam Patterson	UM	adpatter
William Stein	CoCalc	@williamstein
Martha Cryan	IBM	@marthacryan	Yoda
Karla Spuldaro	IBM	@karlaspuldaro	R2
Jeremy Tuloup	QuantStack	@jtpio
Gabriel Fouasnon	Quansight Labs	@gabalafou	Yoda
Isabela Presedo-Floyd	Quansight Labs	@isabela-pf	Ahsoka Tano
Rosio Reyes	Anaconda	@RRosio

PRs needing review

Issues needing triage

Agenda

Frederic:
- JupyterLab 3.4.0 has been released
- Introducing a toolkit in JupyterLab - Vote closing tomorrow
- Inverse dependencies link between translation and rendermime interfaces #12493
  Objective: no need to require a major bump for @jupyterlab/rendermime-interfaces
  => next step: Open PR to undo the bump
- Defining Node.js ESM module
  Update integrity script to update the package(s).json.
- Alternative cell toolbar for notebook v7: migration to JupyterLab org?
  Propositions:
  - Move that extension under jupyterlab and make it a dependency in notebook v7
  - Extract the cell metadata editors as a core JupyterLab
  Issue for discussing this
Alex
- Is it possible to disable core extensions when running jupyter lab --dev-mode --extensions-in-dev-mode? For cases where a third party extension replaces a core extension like launcher. Putting page_control.json with disabledExtensions in share/jupyter/lab/settings doesn't work like it normally does.
Jason W.
- Archive the old jupyterlab-commenting repo, pull the Cal Poly interns' jupyterlab-comments repo into JupyterLab core? team-compass#145
- Long-running JupyterLab issue that has been in triage for 2+ months, has been closed and reopened — next action? jupyterlab#12151
- When is the next Jupyter community call?
  - Still being rescheduled, it will be announced and the calendar will be updated when the May call is announced (mid-May). Thanks for asking!
Darian
- Lumino SplitPanel update
David
- JupyterLab collaborative editing improvements:
  - PR: content management from the back-end
  - Ypy: Python bindings for Yrs (Rust implementation)
  - ypy-websocket: WebSocket provider for Ypy
  - jupyter_ydoc: shared documents for Jupyter
Isabela
- Our JupyterLab accessibility meeting will be fifteen minutes after the end of this one. Everyone is welcome!

Additional discussions

Markdown parser test

In-depth analysis shows the following group of discrepancies:

Desired discrepancies:
- Heading id and link
- Code block styling
- HTML sanitization

id	section	markdown	commonmark-gfm	JupyterLab
10	Tabs	`#\tFoo\n`	`<h1>Foo</h1>`	`<h1 id="Foo">Foo<a class="jp-InternalAnchorLink" href="#Foo" target="_self">¶</a></h1>`
112	Fenced code blocks	````ruby\ndef foo(x)\n return 3\nend\n```\n`	`<pre><code class="language-ruby">def foo(x)\n return 3\nend\n</code></pre>`	`<pre><code class="cm-s-jupyter language-ruby"><span class="cm-keyword">def</span> <span class="cm-def">foo</span>(<span class="cm-variable">x</span>)\n <span class="cm-keyword">return</span> <span class="cm-number">3</span>\n<span class="cm-keyword">end</span>\n</code></pre>`
133	HTML blocks	`<Warning>\nbar\n</Warning>\n`	`<warning> bar </warning>`	`bar`
140	HTML blocks	`<script type="text/javascript">\n// JavaScript example\n\ndocument.getElementById("demo").innerHTML = "Hello JavaScript!";\n</script>\nokay\n`	`<script type="text/javascript">// JavaScript example document.getElementById("demo").innerHTML = "Hello JavaScript!";</script><p>okay</p>`	`<p>okay</p>`
141	HTML blocks	`<style\n type="text/css">\nh1 {color:red;}\n\np {color:blue;}\n</style>\nokay\n`	`<style type="text/css">h1 {color:red;} p {color:blue;}</style><p>okay</p>`	`<p>okay</p>`

To fix discrepancies:
- Tabulation and new lines characters handling
- [TBC] Unpaired HTML tag

id	section	markdown	commonmark-gfm	JupyterLab
1	Tabs	`\tfoo\tbaz\t\tbim\n`	`<pre><code>foo\tbaz\t\tbim\n</code></pre>`	`<pre><code>foo baz bim\n</code></pre>`
120	HTML blocks	`<div>\n hello\n <foo><a>\n`	`<div>hello <foo><a>`	`<div>hello <a rel="nofollow" target="_self"> </a></div>`
121	HTML blocks	`</div>\nfoo\n`	`</div>foo`	`foo`

fcollonval · 2022-05-12T07:49:21Z

11th May 2022 (📺 video)

Attendees

Name	Affiliation	GitHub	Favorite
Alex Bozarth	IBM	@ajbozarth
A. T. Darian	QuantStack	@afshin
David Brochart	QuantStack	@davidbrochart
Vidar T Fauske	JP Morgan Chase	@vidartf
William Stein	CoCalc	@williamstein	Math
Carlos Herrero	QuantStack	@hbcarlos
Martha Cryan	IBM	@marthacryan
Jason Weill	AWS	@jweill-aws	Nickel
Frederic Collonval	QuantStack	@fcollonval
Karla Spuldaro	IBM	@karlaspuldaro
Piyush Jain	AWS	@3coins
Jason Grout	Databricks	@jasongrout
Pete Blois	Google	@blois
Rosio Reyes	Anaconda	@RRosio
Eric Gentry	Anaconda	@ericsnekbytes
Gabriel Fouasnon	Quansight Labs	@gabalafou

PRs needing review

Issues needing triage

Agenda

Eric (can not join the meeting)
- Plan to cut a JupyterLab 3.4.1 (patch release) tomorrow to release latest fixes (settings editor....).
Frederic
- Performance meeting after this one
  - william: I also implemented Virtualization in CoCalc Jupyter (and it's live in prod), so I can say something about this. 👍
- Jupyter UI toolkit vote: Accepted
- crypto error: should we bump @lumino/coreutils to 1.12.0
  JupyterLab 3.4 build is failing on crypto in the same way as issue
Karla
- Update marked dependency version in 3.4.x PR#12535
Jason W (@jweill-aws)
- May 2022 community call schedule? (Tony Fast to follow up with Isabel)
@jasongrout: short report on PyCon US
- JupyterLab tutorial by Mike Müller (@pya) was packed (around 80 attendees?)
- JupyterLab was the base of several products in the expo hall
- Pyodide / Pyscript report
- Interested in making it so the JupyterLab frontend extensions can be implemented in Python (via Pyodide). - ran into friction due to webpack + pyodide, but that is being solved in the next pyodide release.
- slides about conda/emscriptem
Piyush (@3coins)
- Are there any known issues with ipykernel 6 and JupyterLab 3?
  - No issues that we know of
- Is there a way to have the terminal widget open when connecting to remote kernels via Kernel Gateway; the current behavior (JL3) seems to be that the web socket waits for 1-2 minutes until the kernel is available, no terminal window shows up until then. This has changed from JL1, which we can find a way (override JL private function) to create a dummy terminal (No Name), and then updating the connection with the available kernel name. Is this still possible in JL3?
  - Open an issue with code details, possible effort might be to expose the private functions available that would make this customizable
  - Possibly
Darian
- Jupyter Notebook v6 to v7 extension migration office hours next Tuesday at 8am Pacific US time
  
  A meeting to answer questions about Jupyter Notebook v7 to help people who have questions about migrating their classic extensions to Notebook v7 and JupyterLab.

Discussion

PyData London sprint?
- 2 hour sprint on the Saturday of the conference, led by Darian and Vidar. The plan is to show how to submit a PR from scratch, then help people do a good first issue.
- We should do a virtual sprint and record it. Twitch streamers welcome!
Scipy "What's new in JupyterLab" proposal accepted as a poster, with the possibility of a backup talk
FYI, William Stein is giving a talk on ipywidgets in Cocalc during the next ipywidgets meeting (Tue next week at 10am Pacific for 30 minutes).
- william: I will mainly talk about how widgets are collaborative in CoCalc, and also how maybe cocalc has only implemented a subset of functionality, but I don't know what is missing. Oh I will also show using ipywidgets in a whiteboard, since that's live now.
@pya: BTW, the CfP for EuroSciPy will open soon. We also except posters. Re-using the one form SciPy will be fine. ;) Talk proposals are welcome too.

Markdown parser test

Discussion on result from last week.

What is the way forward with this?

fcollonval · 2022-05-19T06:17:06Z

18th May 2022 (📺 video)

Attendees

Name	Affiliation	GitHub	Favorite SciFi catchphrase
Alex Bozarth	IBM	@ajbozarth	"Hello There"
Jason Weill	AWS	@jweill-aws	Nanoo-nanoo
Nicolas Brichet	QuantStack	@brichet	Nice !
A. T. Darian	QuantStack	@afshin
David Qiu	AWS	@dlqqq	"I'm doing my part"
Frederic Collonval	QuantStack	@fcollonval
Eric Gentry	Anaconda	@ericsnekbytes	"Honesty, new setting: ninety-five percent."
Piyush Jain	AWS	@3coins
Isabela Presedo-Floyd	Quansight Labs	@isabela-pf
Layne Sadler	AIQC	@aiqc
Martha Cryan	IBM	@marthacryan
Karla Spuldaro	IBM	@karlaspuldaro
William Stein	CoCalc	@williamstein
Mehmet Bektas	Netflix	@mbektas
Steven Silvester	MongoDB	@blink1073
Jason Grout	Databricks	@databricks	"It's bigger on the inside"
Rosio Reyes	Anaconda	@RRosio

PRs needing review

Issues needing triage

Agenda

Isabela
- The JupyterLab accessibility meeting will be fifteen minutes after this one. All are welcome!
- Following up on previous week's discussion, Jupyter community call will be in two weeks on May 31. More info on discourse.
  - June's call will be at a different time so we can try and find a good time to alternate between in the future (based on feedback from the scheduling Twitter poll and in-call comments).
Jason W
- Discussion requested: Moving jupyterlab-comments repo from jupytercalpoly to jupyterlab
Steve
- Use hatch for notebook
- Move jupyter_builder_hatch plugin to jupyterlab org?

Additional Discussions

CodeMirror 6 migration video: https://www.youtube.com/watch?v=Jtl7mLP1LKU
- link to slides?
- What timeline to get this merged? Migrate to Codemirror 6 jupyterlab#11638

afshin · 2022-05-26T11:07:57Z

25th May 2022 (📺 video)

Attendees

Name	Affiliation	GitHub	Favorite travel destination
Kevin Goldsmith	Anaconda	@kevingoldsmith	Cap Ferrat
Eric Charles	Datalayer	@echarles
Jason Weill	AWS	@jweill-aws	Scandinavia
Eric Gentry	Anaconda	@ericsnekbytes	Los Angeles
Rosio Reyes	Anaconda	@RRosio
Steven Silvester	MongoDB	@blink1073	NYC
A. T. Darian	QuantStack	@afshin
David Brochart	QuantStack	@davidbrochart
Alex Bozarth 🥳	IBM	@ajbozarth	Disneyland
Frederic Collonval	QuantStack	@fcollonval
Piyush Jain	AWS	@3coins
Craig Citro	Google	@craigcitro	anywhere with good running trails
Brian Granger	AWS	@ellisonbg	California :-)
R Ely	Bloomberg	@ohrely	Philly
Martha Cryan	IBM	@marthacryan
Rick Wagner	UCSD	@rpwagner
Kevin Jahns	Yjs / Quantstack	@dmonad
David Qiu	AWS	@dlqqq	???
Jason Grout	Databricks	@jasongrout	home
Mehmet Bektas	Netflix	@mbektas
Matt Henderson	LBNL	@mlhenderson
Isabela Presedo-Floyd	Quansight Labs	@isabela-pf	the interior of a good book

Agenda

Brian
- Document ID service proposal: Document ID service for Jupyter Server/Lab/Notebook jupyterlab#12614
Darian
- Jupyter Community Workshop call for proposals: https://twitter.com/ProjectJupyter/status/1528843106568835072. See the blog post at https://blog.jupyter.org/jupyter-community-workshops-c7491a3cca00
- Recordings for: Weekly Team Meetings: Jan-Jun 2022 #135
- Now that a WebSocket and POST to /api/events is coming to jupyter-server, we should have its front-end counterparts in @jupyterlab/services and also an events emitter extension for other plugins to use.
Steve
- Update on hatch_jupyter_builder packaging plugin
  - Moved to jupyterlab org
  - Started conda recipe - looking for one more maintainer
  - Notebook PR is mostly done, one question about duplicate data
  - JupyterLab PR is in progress and has a checklist of items including a migration script for extensions
Isabela
- Jupyter community call is next week! More info on Discourse
- I've been gathering info to review the Code Mirror 6 migration PR. Is there a specific deadline we want that review by so I can make sure I meet it?
Frederic
- Markdown parser: what next?
- Windowing/virtual notebook PR update
Kevin
- Finding a time to discuss: Step 2 RTC, removes ModelDB and deduplicates the content jupyterlab#12359
  - Removes the existing shared-model approch and replaces it with something more similar to modeldb
  - Let's discuss at an RTC meeting (to be scheduled, originally Monday, May 30, 08:00 PDT / 15:00 UTC / 17:00 CEST) https://zoom.us/my/jovyan?pwd=c0JZTHlNdS9Sek9vdzR3aTJ4SzFTQT09. If you are interested in coming, please add your name/github handle below.
  - I (Brian Granger) would like to join for this discussion, but this Monday is a holiday in the US. Could we reschedule it? Could someone let me know when it ends up?
  - Would like to attend:
    - Brian Granger @ellisonbg
    - Jason Grout @jasongrout
    - A. T. Darian @afshin
    - Eric Charles @echarles
    - Carlos Herrero @hbcarlos
    - Sylvain Corlay @SylvainCorlay
    - Kevin Jahns @dmonad
David Q
- Weird colors for tool icons in certain themes jupyterlab#12041
- Any objections to changing MD/Python icons to something more standard?
  - I've done some work like this in Elyra recently, I'll share a link in the PR -@ajbozarth
- Proposed Py icon: https://commons.wikimedia.org/wiki/File:Python-logo-notext.svg
- Proposed MD icon: https://github.com/dcurtis/markdown-mark/tree/master/svg

Additional Discussions

Rick & Jason W
- Vulnerability handling process
  - What next:
    - Review the document and give feedback.
    - Let the security group know if you are interested in filling some of the roles.
Frederic
- Markdown parser: what next?
  - Reference to discussion at jupyterlab/jupyterlab #272
  - First need to determine concretely what we are supporting. Then we can have a base for asking about any changes.
- Windowing/virtual notebook PR how does it work?

ajbozarth · 2022-06-01T16:56:15Z

1st June 2022 (📺 video)

Attendees

Name	Affiliation	GitHub	Favorite Work Break Activity
Alex Bozarth	IBM	@ajbozarth	Coffee break
Frederic Collonval	QuantStack	@fcollonval
Mehmet Bektas	Netflix	@mbektas
Karla Spuldaro	IBM	@karlaspuldaro	stretch
Martha Cryan	IBM	@marthacryan
Jason Grout	Databricks	@jasongrout
Piyush Jain	AWS	@3coins
R Ely	Bloomberg	@ohrely	snack
Layne Sadler	AIQC	@aiqc	longboarding
Jeremy Tuloup	QuantStack	@jtpio	run
Michał Krassowski	Oxford	@krassowski
William Stein	CoCalc	@williamstein	fetch with my dog!
Isabela Presedo-Floyd	Quansight Labs	@isabela-pf	Useless chainmaille making
Kiersten Stokes	IBM	@kiersten-stokes

PRs needing review

Issues needing triage

Agenda

Isabela:
- The accessibility meeting is 15 minutes after this one. Everyone is welcome to join!
- [williamstein] What happens at this meeting, usually?
Frederic :
- Extension cookiecutter add tests
- JupyterLab documentation and maintenance CZI proposal to be submitted tomorrow
Isabela:
- Question from the community call: "Are there any Jupyter-related SciPy activites upcoming? Or for Euro SciPy?"
- ipywidgets tutorial
- JupyterLab tutorial
- JupyterLab poster
- sprint maybe? Saturday and Sunday. Anyone going to be there Saturday and/or Sunday?
- At Euro SciPy, there may be a talk about Jupyterlite, Notebook 7, JupyterLab 4
- Who is going?
  - @jasongrout, @marthacryan, @ajbozarth, @ohrely, @3coins
Jason: Jupyter Community Workshops proposal deadline extended to Monday, June 6.
- Porting classic extensions to Notebook 7/JupyterLab
- Notebook format: defining markdown standard, looking at a text-based format, or json lines format. What is nbformat 5?

Additional Discussions

Upcoming conferences
- June 17-19, London: PyData London
- June 21-24, Austin: Open Source Summit
- July 11-17, Austin: Scipy
- July 11-17, Dublin: EuroPython
- August 29-September 2, Basel: Euroscipy
- September 19-20, Austin: NumFOCUS Project Summit
- October 27-28, Austin: Python at Scale

fcollonval · 2022-06-09T06:25:34Z

June 8th 2022 (video 📺)

Attendees

Name	Affiliation	GitHub	Favorite "pest" organism
A. T. Darian	QuantStack	@afshin	fox
Layne Sadler	AIQC	@aiqc	badger
Adam Patterson	UM	adpatter	Physarum polycephalum
Piyush Jain	AWS	@3coins
Craig Citro	Google	@craigcitro	undergrads
Mehmet Bektas	Netflix	@mbektas
Jason Weill	AWS	@jweill-aws	myself
Frederic Collonval	QuantStack	@fcollonval
Gabriel Fouasnon	Quansight Labs	@gabalafou	spiders
Matthias Bussonnier	QuanSight Labs	@Carreau
William Stein	CoCalc/SageMath	@williamstein	humans
Jason Grout	Databricks	@jasongrout
tony fast	quansight	@tonyfast
Alex Bozarth	IBM	@ajbozarth
Martha Cryan	IBM	@marthacryan
Carlos Herrero	QuantStack	@hbcarlos
David Brochart	QuantStack	@davidbrochart
Brian Granger	AWS/CalPoly	@ellisonbg
Jeremy Tuloup	QuantStack	@jtpio
Isabela Presedo-Floyd	Quansight Labs	@isabela-pf

PRs needing review

Windowed (Virtual) notebook

Issues needing triage

Agenda

Frederic:
- Remove BluePrint CSS fixes
  Should we keep the removal of outline for focus (see ugly filebrowser case)?
  Keep unset focus globally
  Check line-height for UI like number of search to align to input
- Performance meeting after this meeting
  I will present into details the new notebook windowing.
  I will present preliminary plan on memory leak benchmark.
- Follow up regarding cell outline, added as part of the cell toolbar: Only show cell border when cell toolbar is hovered jupyterlab#12672
Jeremy
- JupyterLab 3.4.3 is released: https://github.com/jupyterlab/jupyterlab/releases/tag/v3.4.3
- Install with pip install jupyterlab==3.4.3
- Try it online with this gist: https://gist.github.com/jtpio/dc217fb83255f54bf826a3804f5a0d7c
Darian: @jupyterlab/services server manager instance PR Add events service jupyterlab#12667
Matthias: papyri and Jlab extension demo:
- Links for later:
- Notes on papyri:
  - Currently, documentation is distributed as statically-rendered html from build time. This is inflexible: it can't take into account client-side info, like theming, cross-references to other doc builds, exposing semantic information to the client for linking and backlinking, etc.
  - Papyri solves this by creating a more semantically rich intermediate representation for docs that is distributed, and the client renders this at runtime. Rendering at runtime in the client allows the client to take advantage of the semantic information for linking between docs, organization, searching, adapting to client themes, etc.
  - Papyri uses its own RST parser (based on the rst tree-sitter parser) to build this intermediate representation
  - Has CZI funding for a year or two
  - Matthias is welcoming help, particularly in building a frontend JupyterLab extension to render the Papyri intermediate format.
Tony: collaborating on virtual/in-person event at scipy
Adam Patterson:
- I can show our approach for getting the GitHub user name to show up next to the cursor in collaborative mode - if there is time.

Additional discussions

Follow-up from last week: Isabela collected info about planning workshops at https://github.com/isabela-pf/a11y-events/tree/main/workshop-resources/alt-text#past-events
Message around JupyterLab 4.0 for scipy?
- Try to get beta out before scipy
- It's possible we could move to RC by maybe end of September?

jtpio · 2022-06-17T09:30:19Z

June 15th 2022 (video 📺)

Attendees

Name	Affiliation	GitHub	Favorite Ascii Character?
Alex Bozarth	IBM	@ajbozarth
Jason Weill	AWS	@jweill-aws	␇
A. T. Darian	QuantStack	@afshin	`NUL`
William Stein	SageMath Inc	@williamstein	&
Jason Grout	Databricks	@jasongrout
Jeremy Tuloup	QuantStack	@jtpio
Nicolas Brichet	QuantStack	@brichet
Sylvain Corlay	QuantStack	@SylvainCorlay
R Ely	Bloomberg	@ohrely
Michal Krassowski	Oxford	@krassowski	^G
Layne Sadler	AIQC	@aiqc	└─
Karla Spuldaro	IBM	@karlaspuldaro
Gabriel Fouasnon	Quansight Labs	@gabalafou	~
David Qiu	AWS	@dlqqq	\|
Isabela Presedo-Floyd	Quansight Labs	@isabela-pf	;

PRs needing review

Issues needing triage

Agenda

Jeremy
- 4.0.0a26 released: https://github.com/jupyterlab/jupyterlab/releases/tag/v4.0.0a26
  - Can be tested on Binder: https://gist.github.com/jtpio/4e9a3d435d7c3950dc4150c10abbb1d7
- Edit documentation on Gitpod: Edit Gitpod configuration to be able to work on the documentation jupyterlab#12697
- CodeMirror 6 PR by Johan can be tested on Binder:
  - PR Migrate to Codemirror 6 jupyterlab#11638
  - Binder: https://mybinder.org/v2/gh/JohanMabille/jupyterlab/codemirror?urlpath=lab-dev
    - Bug: create a notebook, evaluate 2+2, then use the up arrow to go to the previous cell and nothing happens.
Darian
- Follow up on PR introducing setInstance and getInstance of ServiceManager
- cf. An event system for Jupyter jupyter-server/jupyter_server#780
David Q
- Icon colors and proposal for changing the way we handle CSS classes in JL
- prefer new .jp-icon-mono class for monochromatic icons jupyterlab#12673
Isabela (will be here last 30 minutes of call)
- The JupyterLab accessibility meeting will be 15 minutes after this one. All are welcome! I'm expecting to talk about testing updates and a JupyterLab accessibility statement.
- This is your two-week notice for the Jupyter community call! Get your shares ready for June 28. More info on Discourse.
Brian could not join the call but had a quick comment about issues he'd like to open for voting in the team-compass.

Additional discussion

PyData London this week innit

jtpio · 2022-06-30T07:13:02Z

June 22nd 2022 (video 📺)

Attendees

Name	Affiliation	GitHub	Favorite Question
A. T. Darian	QuantStack	@afshin
Alex Bozarth	IBM	@ajbozarth
R Ely	Bloomberg	@ohrely	If you were a kitchen utensil, which would you be?
Michal Krassowski	Oxford	@krassowski
Jason Weill	AWS	@jweill-aws	¿Qué pasa?
Vidar T Fauske	JP Morgan Chase	@vidartf	What's your favourite question?
Craig Citro	Google	@craigcitro	Should I stay or should I go?
Mehmet Bektas	Netflix	@mbektas
Jason Grout	Databricks	@jasongrout
Pete Blois	Google	@blois
Jeremy Tuloup	QuantStack	@jtpio
Martha Cryan	IBM	@marthacryan
Piyush Jain	AWS	@3coins
Carlos Herrero	QuantStack	@hbcarlos
Sylvain Corlay	QuantStack	@SylvainCorlay

Agenda

Discuss issues Brian opened about architecture decisions:
- Package location of document models
- How do we model notebook and cell metadata?
Short Demo of a Streamlit jupyterlab extension (@ajbozath)
- https://github.com/ajbozarth/streamlit-extension
https://github.com/krassowski/jupyterlab-voice-control demo?
6 items in Needs Triage as of meeting start (also triaged on Thursday at 10:00 PDT / 17:00 UTC)

jtpio · 2022-06-30T07:13:29Z

June 29th 2022 (video 📺)

Attendees

Name	Affiliation	GitHub	Favorite Favorite
Alex Bozarth	IBM	@ajbozarth
A. T. Darian	QuantStack	@afshin
Trung Le	QuantStack	@trungleduc
William Stein	CoCalc/SageMath	@williamstein
Nicolas Brichet	QuantStack	@brichet
Vidar T Fauske	JP Morgan Chase	@vidartf	wat
Kevin Jahns	QuantStack / Yjs	@dmonad	vim
Tony Fast	Quansight	@tonyfast
Michał Krassowski	Oxford	@krassowski	Favorite favorite favorite
Mehmet Bektas	Netflix	@mbektas
Craig Citro	Google	@craigcitro	twitter.com/myfavethm
Frederic Collonval	QuantStack	@fcollonval
Fernando Pérez	UC Berkeley	@fperez
Martha Cryan	IBM	@marthacryan
Sylvain Corlay	QuantStack	Sylvain Corlay
Isabela Presedo-Floyd	Quansight Labs	@isabela-pf	nods
Steven Silvester	MongoDB	@blink1073
Piyush Jain	AWS	@3coins

Agenda

Nicolas: A quick presentation of the nbgrader extension port on JupyterLab
Trung: Integrate jupyterlab-lsp into jupyterlab #12534
Frederic:
- Yjs multiple import error
  - Should we add resolution to a single version like for React?
    Not needed - using a semver should be good enough
  - Look at the webpack config of the example to ensure we are using the commonjs version of Yjs
- Memory leak fixes
  - Does anyone have ideas to improve IDisposableMenuItem?
Kevin
- Open PR: Removing ModelDB in Remove modeldb jupyterlab#12695
- Making Shared Models the only source of truth
- Removes over 1300 lines of code
- Sidequest: making notebook tests run more reliably (it does now)
- Completely avoids the initialization problem (duplicate insertions might cause overwriting of content).
- Proposing this approach instead of Step 2 RTC, removes ModelDB and deduplicates the content jupyterlab#12359
Vidar:
- Some PRs for optimizing debugger UI performance #12751 and #12746. Do we have a standard component for virtualized lists / views ?
- Fixed some yarn vs npm registry issues #12742. Was it a consious choice to switch from yarnpk to npmjs? Still needs a manual backport for 3.4.x, which is the only place where this was released as non-pre-prelease.
  - Should we also run check on root yarn.lock?
Darian:
- Some ideas about how to improve workspaces that came out of thinking re: this issue
Isabela
- JupyterLab's accessibility call is fifteen minutes after this one. Hope to see you there!

fcollonval added the Dev Meeting Minutes Minutes from a dev meeting. label Jan 6, 2022

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fcollonval pinned this issue Jan 6, 2022

fcollonval mentioned this issue Jan 6, 2022

Weekly Team Meetings: Aug-Dec 2021 #128

Closed

echarles mentioned this issue Feb 3, 2022

JupyterLab 3.3 Release jupyterlab/jupyterlab#11643

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20 tasks

krassowski mentioned this issue Feb 24, 2022

Triage process for new issues jupyterlab/jupyterlab#11660

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ajbozarth mentioned this issue Mar 9, 2022

Update the launcher UI to be extendable and modular jupyterlab/jupyterlab#12190

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jtpio mentioned this issue Mar 15, 2022

Update the logos for the demo links jupyter/jupyter.github.io#683

Open

This was referenced Mar 16, 2022

citation for jupyter lab jupyterlab/jupyterlab#12176

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Add a "New Tab" button that opens the launcher jupyterlab/jupyterlab#12195

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fcollonval mentioned this issue Mar 17, 2022

Drop deprecated url-loader and file-loader jupyterlab/jupyterlab#12225

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JupyterLab 3.4 Release jupyterlab/jupyterlab#12268

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isabela-pf mentioned this issue Apr 1, 2022

How to cite JupyterLab #144

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afshin mentioned this issue Apr 7, 2022

Wait until file browser commands are ready before activating file browser widget jupyterlab/jupyterlab#12369

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fcollonval mentioned this issue Apr 21, 2022

Evaluate markdown-it as a commonmark renderer jupyterlab/jupyterlab#272

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Introducing a toolkit in JupyterLab #143

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Should outputs respond to changes in the theme? jupyterlab/jupyterlab#12449

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ajbozarth mentioned this issue May 5, 2022

Allow users to yarn link @jupyterlab/builder jupyterlab/jupyterlab#12533

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Consider using a GitHub issue for community meeting notes jupyter/jupyter#612

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Moving jupyterlab-comments repo from jupytercalpoly to jupyterlab #145

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Weekly Team Meetings: Jan-Jun 2022 #135

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5 January 2022

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