7.9.0 Meta ticket

[russcam]

Features/Ingest

• Add optional description parameter to ingest processors. #57906 (issue: #56000)

New features

Aggregations

• Add Normalize Pipeline Aggregation #56399 (issue: #51005)
• [ ] Add Variable Width Histogram Aggregation #42035 (issues: #9572, #50863) Experimental: see Experimental feature: variable_width_histogram elasticsearch#58573
• Add moving percentiles pipeline aggregation #55441 (issue: #49452)

MULTIPLE AREA LABELS

- [ ] Pipeline Inference Aggregation #58193 inference still an experimental feature.

Machine Learning

- [ ] Introduce DataFrameAnalyticsConfig update API #58302 (issue: #45720) inference still an experimental feature.

• Introduce ModelPlotConfig.annotations_enabled setting #57539 (issue: #55781)

Mapping

• Wildcard field optimised for wildcard queries #49993 (issue: #48852)

Search

• Allow index filtering in field capabilities API #57276 (issue: #56195)

Enhancements

Aggregations

• Add support for numeric range keys #56452 (issue: #56402)

• Added standard deviation / variance sampling to extended stats #49782 (issue: #49554)

Allocation

• Account for remaining recovery in disk allocator #58029

Analysis

• Add max_token_length setting to the CharGroupTokenizer #56860 (issue: #56676)
• Expose discard_compound_token option to kuromoji_tokenizer #57421
  - [ ] Support multiple tokens on LHS in stemmer_override rules (#56113) #56484 (issue: #56113) No client change needed

Authorization

• Add cache for application privileges #55836 (issue: #54317)

CCR

• Allow follower indices to override leader settings #58103

Features/ILM+SLM

Features/Indices APIs

• Add index block api #58094
• Add new flag to check whether alias exists on remove #58100

Features/Ingest

• Add ignore_empty_value parameter in set ingest processor #57030 (issue: #54783)
• Support if_seq_no and if_primary_term for ingest #55430 (issue: #41255)

Machine Learning

- [ ] Adds new for_export flag to GET _ml/inference API #57351 inference is still an experiemental feature

- [ ] Calculate cache misses for inference and return in stats #58252 inference is still an experiemental feature

• Delete expired data by job #57337

- [ ] Introduce Annotation.event field #57144 (issue: #55781) No client change needed

Mapping

• Add regex query support to wildcard field (approach 2) #55548 (issue: #54725)

• Make keyword a family of field types #58315 (issue: #53175)

• Support null_value for wildcard field type. [ISSUE] #55701

• Wildcard field - add support for custom null values #57047

Recovery

• Implement dangling indices API #50920 (issue: #48366)

Search

• Add description to submit and get async search, as well as cancel tasks #57745
• Add range query support to wildcard field #57881 (issue: #57816)
• Specify reason whenever async search gets cancelled #57761

Transform

• Add support for terms agg in transforms #56696
• Adds geotile_grid support in group_by #56514 (issue: #56121)

Bug fixes

Mapping

• Wildcard field fix for scripts - changed value type from BytesRef to String #58060 (issue: #58044)

[russcam]

Closing as all items are checked