Add prelim 9.0.1 release notes

Author: brianseeders

docs/release-notes/breaking-changes.md

@@ -14,6 +14,10 @@ To learn how to upgrade, check out <upgrade docs>.
 
 % ## Next version [elasticsearch-nextversion-breaking-changes]
 
+## 9.0.1 [elasticsearch-901-breaking-changes]
+
+No breaking changes in this version.
+
 ## 9.0.0 [elasticsearch-900-breaking-changes]
 
 Aggregations:

docs/release-notes/changelog-bundles/9.0.1.yml

@@ -0,0 +1,132 @@
+version: 9.0.1
+generated: 2025-04-28T21:41:06.757953Z
+changelogs:
+  - pr: 125694
+    summary: LTR score bounding
+    area: Ranking
+    type: bug
+    issues: []
+  - pr: 126273
+    summary: Fix LTR rescorer with model alias
+    area: Ranking
+    type: bug
+    issues: []
+  - pr: 126310
+    summary: Add Issuer to failed SAML Signature validation logs when available
+    area: Security
+    type: enhancement
+    issues:
+      - 111022
+  - pr: 126342
+    summary: Enable sort optimization on float and `half_float`
+    area: Search
+    type: enhancement
+    issues: []
+  - pr: 126583
+    summary: Cancel expired async search task when a remote returns its results
+    area: CCS
+    type: bug
+    issues: []
+  - pr: 126605
+    summary: Fix equality bug in `WaitForIndexColorStep`
+    area: ILM+SLM
+    type: bug
+    issues: []
+  - pr: 126614
+    summary: Fix join masking eval
+    area: ES|QL
+    type: bug
+    issues: []
+  - pr: 126637
+    summary: Improve resiliency of `UpdateTimeSeriesRangeService`
+    area: TSDB
+    type: bug
+    issues: []
+  - pr: 126686
+    summary: Fix race condition in `RestCancellableNodeClient`
+    area: Task Management
+    type: bug
+    issues:
+      - 88201
+  - pr: 126729
+    summary: Use terminal reader in keystore add command
+    area: Infra/CLI
+    type: bug
+    issues:
+      - 98115
+  - pr: 126778
+    summary: Fix bbq quantization algorithm but for differently distributed components
+    area: Vector Search
+    type: bug
+    issues: []
+  - pr: 126783
+    summary: Fix shard size of initializing restored shard
+    area: Allocation
+    type: bug
+    issues:
+      - 105331
+  - pr: 126806
+    summary: Workaround max name limit imposed by Jackson 2.17
+    area: Infra/Core
+    type: bug
+    issues: []
+  - pr: 126850
+    summary: "[otel-data] Bump plugin version to release _metric_names_hash changes"
+    area: Data streams
+    type: bug
+    issues: []
+  - pr: 126852
+    summary: "Validation checks on paths allowed for 'files' entitlements. Restrict the paths we allow access to, forbidding plugins to specify/request entitlements for reading or writing to specific protected directories."
+    area: Infra/Core
+    type: enhancement
+    issues: []
+  - pr: 126858
+    summary: Leverage threadpool schedule for inference api to avoid long running thread
+    area: Machine Learning
+    type: bug
+    issues:
+      - 126853
+  - pr: 126884
+    summary: Rare terms aggregation false **positive** fix
+    area: Aggregations
+    type: bug
+    issues: []
+  - pr: 126889
+    summary: Rework uniquify to not use iterators
+    area: Infra/Core
+    type: bug
+    issues:
+      - 126883
+  - pr: 126911
+    summary: Fix `vec_caps` to test for OS support too (on x64)
+    area: Vector Search
+    type: bug
+    issues:
+      - 126809
+  - pr: 126930
+    summary: Adding missing `onFailure` call for Inference API start model request
+    area: Machine Learning
+    type: bug
+    issues: []
+  - pr: 126990
+    summary: "Fix: consider case sensitiveness differences in Windows/Unix-like filesystems for files entitlements"
+    area: Infra/Core
+    type: bug
+    issues:
+      - 127047
+  - pr: 127146
+    summary: Fix sneaky bug in single value query
+    area: ES|QL
+    type: bug
+    issues: []
+  - pr: 127225
+    summary: Fix count optimization with pushable union types
+    area: ES|QL
+    type: bug
+    issues:
+      - 127200
+  - pr: 127353
+    summary: Updating tika to 2.9.3
+    area: Ingest Node
+    type: upgrade
+    issues: []

docs/release-notes/deprecations.md

@@ -16,6 +16,10 @@ To give you insight into what deprecated features you’re using, {{es}}:
 
 % ## Next version [elasticsearch-nextversion-deprecations]
 
+## 9.0.1 [elasticsearch-901-deprecations]
+
+No deprecations in this version.
+
 ## 9.0.0 [elasticsearch-900-deprecations]
 
 ES|QL:

docs/release-notes/index.md

@@ -21,6 +21,71 @@ To check for security updates, go to [Security announcements for the Elastic sta
 % ### Fixes [elasticsearch-next-fixes]
 % *
 
+## 9.0.1 [elasticsearch-901-release-notes]
+
+### Features and enhancements [elasticsearch-901-features-enhancements]
+
+Infra/Core:
+* Validation checks on paths allowed for 'files' entitlements. Restrict the paths we allow access to, forbidding plugins to specify/request entitlements for reading or writing to specific protected directories. [#126852](https://github.com/elastic/elasticsearch/pull/126852)
+
+Ingest Node:
+* Updating tika to 2.9.3 [#127353](https://github.com/elastic/elasticsearch/pull/127353)
+
+Search:
+* Enable sort optimization on float and `half_float` [#126342](https://github.com/elastic/elasticsearch/pull/126342)
+
+Security:
+* Add Issuer to failed SAML Signature validation logs when available [#126310](https://github.com/elastic/elasticsearch/pull/126310) (issue: [#111022](https://github.com/elastic/elasticsearch/issues/111022))
+
+### Fixes [elasticsearch-901-fixes]
+
+Aggregations:
+* Rare terms aggregation false **positive** fix [#126884](https://github.com/elastic/elasticsearch/pull/126884)
+
+Allocation:
+* Fix shard size of initializing restored shard [#126783](https://github.com/elastic/elasticsearch/pull/126783) (issue: [#105331](https://github.com/elastic/elasticsearch/issues/105331))
+
+CCS:
+* Cancel expired async search task when a remote returns its results [#126583](https://github.com/elastic/elasticsearch/pull/126583)
+
+Data streams:
+* [otel-data] Bump plugin version to release _metric_names_hash changes [#126850](https://github.com/elastic/elasticsearch/pull/126850)
+
+ES|QL:
+* Fix count optimization with pushable union types [#127225](https://github.com/elastic/elasticsearch/pull/127225) (issue: [#127200](https://github.com/elastic/elasticsearch/issues/127200))
+* Fix join masking eval [#126614](https://github.com/elastic/elasticsearch/pull/126614)
+* Fix sneaky bug in single value query [#127146](https://github.com/elastic/elasticsearch/pull/127146)
+
+ILM+SLM:
+* Fix equality bug in `WaitForIndexColorStep` [#126605](https://github.com/elastic/elasticsearch/pull/126605)
+
+Infra/CLI:
+* Use terminal reader in keystore add command [#126729](https://github.com/elastic/elasticsearch/pull/126729) (issue: [#98115](https://github.com/elastic/elasticsearch/issues/98115))
+
+Infra/Core:
+* Fix: consider case sensitiveness differences in Windows/Unix-like filesystems for files entitlements [#126990](https://github.com/elastic/elasticsearch/pull/126990) (issue: [#127047](https://github.com/elastic/elasticsearch/issues/127047))
+* Rework uniquify to not use iterators [#126889](https://github.com/elastic/elasticsearch/pull/126889) (issue: [#126883](https://github.com/elastic/elasticsearch/issues/126883))
+* Workaround max name limit imposed by Jackson 2.17 [#126806](https://github.com/elastic/elasticsearch/pull/126806)
+
+Machine Learning:
+* Adding missing `onFailure` call for Inference API start model request [#126930](https://github.com/elastic/elasticsearch/pull/126930)
+* Leverage threadpool schedule for inference api to avoid long running thread [#126858](https://github.com/elastic/elasticsearch/pull/126858) (issue: [#126853](https://github.com/elastic/elasticsearch/issues/126853))
+
+Ranking:
+* Fix LTR rescorer with model alias [#126273](https://github.com/elastic/elasticsearch/pull/126273)
+* LTR score bounding [#125694](https://github.com/elastic/elasticsearch/pull/125694)
+
+TSDB:
+* Improve resiliency of `UpdateTimeSeriesRangeService` [#126637](https://github.com/elastic/elasticsearch/pull/126637)
+
+Task Management:
+* Fix race condition in `RestCancellableNodeClient` [#126686](https://github.com/elastic/elasticsearch/pull/126686) (issue: [#88201](https://github.com/elastic/elasticsearch/issues/88201))
+
+Vector Search:
+* Fix `vec_caps` to test for OS support too (on x64) [#126911](https://github.com/elastic/elasticsearch/pull/126911) (issue: [#126809](https://github.com/elastic/elasticsearch/issues/126809))
+* Fix bbq quantization algorithm but for differently distributed components [#126778](https://github.com/elastic/elasticsearch/pull/126778)
+
+
 ## 9.0.0 [elasticsearch-900-release-notes]
 
 ### Highlights [elasticsearch-900-highlights]