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docs: add security-performance-improvements report for v3.1.0#1001

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tkykenmt merged 1 commit into
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docs/security-performance-improvements-v3.1.0
Jan 10, 2026
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docs: add security-performance-improvements report for v3.1.0#1001
tkykenmt merged 1 commit into
mainfrom
docs/security-performance-improvements-v3.1.0

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Summary

Add documentation for the Security Performance Improvements feature in OpenSearch v3.1.0.

Reports Created

  • Release report: docs/releases/v3.1.0/features/security/security-performance-improvements.md
  • Feature report: docs/features/security/security-performance-improvements.md

Key Changes in v3.1.0

  • Immutable User object implementation for reduced serialization overhead
  • UserFactory with caching for deserialized User objects
  • New AuthenticationContext for passing data between auth backends
  • ImpersonationBackend interface for user impersonation support
  • Configurable cache settings for User object caching

Related PRs

  • #5339: Remove support for unused custom User serialization
  • #5212: Immutable user object

Resources Used

Closes #858

@tkykenmt tkykenmt merged commit 31b238b into main Jan 10, 2026
@tkykenmt tkykenmt deleted the docs/security-performance-improvements-v3.1.0 branch January 10, 2026 08:59
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