v2.1.42Claude Code Release NotesFeb 13, 2026

Release containing 1 new feature, 2 improvements, and 2 fixes.

Total Changes

Days Since Previous Release

Version Type

Patch

Release Focus

Mixed

Category Breakdown

Added (1)

Improved (2)

Fixed (2)

Post-Release Edits Detected

4 added2 removed

Removed Changes

Fixed Opus 4.6 launch announcement showing for Bedrock/Vertex/Foundry users
Improved error message for many-image dimension limit errors with /compact suggestion

Last edit detected: Feb 13, 2026

Added1 change

•Added one-time Opus 4.6 effort callout for eligible users

Improved2 changes

•Improved startup performance by deferring Zod schema construction
•Improved prompt cache hit rates by moving date out of system prompt

Fixed2 changes

•Fixed /resume showing interrupt messages as session titles
•Fixed image dimension limit errors to suggest /compact

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