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✅ Vale Linting ResultsNo issues found on modified lines! The Vale linter checks documentation changes against the Elastic Docs style guide. To use Vale locally or report issues, refer to Elastic style guide for Vale. |
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natasha-moore-elastic
requested review from
alainnahalliday,
angorayc,
gabriellandau,
hop-dev,
jonwalstedt,
logeekal,
nikitaindik,
paul-tavares,
spong,
stephmilovic and
ymao1
jonwalstedt
approved these changes
Feb 19, 2026
|
The notes for #250921, #251656, #251962 and #252263 looks good |
gabriellandau
requested changes
Feb 19, 2026
| * Adds a `region` field to the Amazon Bedrock connector [#252960]({{kib-pull}}252960), [#252956]({{kib-pull}}252956). | ||
| * Improves Automatic Migration performance by reducing the number of {{es}} calls when updating field mappings [#252431]({{kib-pull}}252431). | ||
| * Updates the `fast-xml-parser` package dependency to version 5.3.4 [#251644]({{kib-pull}}251644). | ||
| * Further reduces {{elastic-defend}} behavioral protection CPU usage for trusted applications. |
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This one landed in the final 9.3.0 BC.
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| * Further reduces {{elastic-defend}} behavioral protection CPU usage for trusted applications. |
| * Reduces {{elastic-defend}} CPU usage when suppressing activity from trusted applications on Windows. This might be especially noticeable in applications that are JIT-heavy like PowerShell and .NET. | ||
| * Improves {{elastic-defend}} visibility into image load events in mixed-architecture scenarios, such as during .NET library loading when the library and main executable might use different architectures. This only applies to Windows 10, version 1709 and later. | ||
| * Refactors {{elastic-defend}} Windows file scanning behavior to reduce the risk of file sharing conflicts with other applications and improve the reliability of malware-on-write and event enrichments that rely on file contents such as code signatures and imphashes. | ||
| * Improves the accuracy of thread CPU usage reported in {{elastic-defend}} metrics documents. |
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Suggested change
| * Improves the accuracy of thread CPU usage reported in {{elastic-defend}} metrics documents. | |
| * Further reduces {{elastic-defend}} behavioral protection CPU usage for trusted applications. |
nikitaindik
approved these changes
Feb 19, 2026
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Thanks! 👍 Rule Management team owned updates LGTM.
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Summary
Resolves #5101: adds the 9.3.1 Security and Endpoint release notes.
Generative AI disclosure
Tool(s) and model(s) used:
Cursor, claude-4.5-opus-high