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update explorer 3.4.0 release notes #1914

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69 changes: 39 additions & 30 deletions docs-2.0/20.appendix/release-notes/explorer-release-note.md
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# NebulaGraph Explorer release notes

## v3.2.1

- Bugfix
- Fixed the bug that the connection timeout and HTTP error `500` when connecting to a non-existent address.
- Fixed the bug that the vertex properties could not be displayed on the canvas when randomly importing vertices.

## v3.2.0
## v3.4.0

- Feature
- Support [edge aggregation](../..//nebula-explorer/canvas-operations/visualization-mode.md). The edges with the same starting vertex, end vertex and edge type on the canvas are aggregated, making it clear which vertices have a lot of relationships. It also supports the computation of properties of aggregated edges.
- Support [schema drafting](../../nebula-explorer/db-management/draft.md). The Schema is designed directly by dragging and dropping on the canvas. The vertex and edge relationship is more intuitive and supports applying the schema to a graph space with one click.
- Support [iFrame](../../nebula-explorer/iframe.md). You can embedding canvas into third-party pages by using inline frameworks.
- Support [custom icon library and edge style](../../nebula-explorer/canvas-operations/canvas-overview.md). Explorer has ten built-in icons for industry categories and supports uploading pictures as an icon.
- Support [nGQL template](../../nebula-explorer/db-management/ngql-template.md). Design the query statement template directly or make nGQL statement as a template in the console, and then directly call the template and fill in the parameters to query.
- Support [database user management](../../nebula-explorer/db-management/dbuser_management.md). Manage database users visually, including creating and authorizing users.
- Workflow added [node2vec algorithm](../../graph-computing/algorithm-description.md).
- (Beta) Support [OAuth 2.0 authentication](../../nebula-explorer/deploy-connect/ex-ug-connect.md). Users can log in to Explorer only after being authenticated by OAuth2.0 to ensure data security.

- Support viewing the [creation statements](../../nebula-explorer/db-management/10.create-schema.md) of the schema.
- Add beta function switch on the global settings page.
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- Add product feedback page.
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- Enhancement
- The [Dag Controller](../../nebula-explorer/deploy-connect/ex-ug-deploy.md) is built into the installation package.
- The welcome page provides some demo datasets.
- Increases the drag effect of the vertex.
- The console supports adding comments with `//`.
- The favorites folder contents can be saved on the server.
- Support searching graph space names in the graph space list.
- The workflow prompts you to enter a missing parameter manually.
- The help page provides introductory videos.
- Workflow supports the configuration of resources on the page.
- Added a white screen page for the crash.
- Optimize page loading speed.

- Remove the timeout limit for slow queries.
- Keep history on the console page after switching pages.
- Support adding comments with `#` on the console page.
- Support adding comments with `#` or `//` when creating nGQL templates.
- Update the global settings page.
- Support the visual modification of the IP whitelist.
- Show VID on canvas by default.
- Browser compatibility hint.
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- Show the kernel version in the connection information.
- Add indexes to the built-in dataset.
- Optimize the login page.
- Optimize Workflow:
- Add algorithm descriptions.
- Optimize the parameter configurations of the graph algorithm.
- Optimize the presentation of the result.
- Optimize interaction:
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- Vertex filter
- Query by tag
- Search path
- Optimize presentation:
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- Optimize the presentation of schema statistics.
- Optimize the layout of force.
- Optimize the layout of the visual query results after importing them to the canvas.
- Optimize the presentation of vertices on dangling edges.
- Optimize the console page.
- Optimize hint:
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- Optimize guidances.
- Optimize error messages.

- Bugfix
- Fixed the bug that the right-click menu would not collapse automatically.
- Fixed the bug that the canvas auto-scaling when adding filter criteria.
- Fixed the bug that the canvas shook when switching to 3D mode with a large amount of data.
- Fixed the bug that importing Int8/16/32 and fixed_string data failed.

- Fix the bug that can not be able to view the import task log.
- Fix the bug that some data of the edges in the `demo_basketballplayer` dataset is missing.
- Fix the crash of the page.
- Fix the bug that the results of the graph algorithm in the workflow can not show the details of vertices after importing them to canvas.