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v2.1.258 Claude Code Release Notes

Sep 1, 2026
Claude's Analysisby Sonnet 5
Full Analysis

Emergency fix for a launch-blocking macOS 12 regression from 2.1.255, plus a crash in remote/scheduled sessions after failed permission re-sends.

Changes
2
Total Changes (vs Average)
0.1×
Version Type
Patch
Release Focus
Bug Fixes
Days Since Prior Release
0
Release # This Month
#2 of 9
Bug Fix Ratio
100%
Post-Release Edits
—
Change Category
Ecosystem Impact
macOS has appeared in 3 of the last 10 releases. This launch-blocking regression traces directly to 2.1.255, showing how fast platform-specific launch bugs get caught and patched.
Key Themes
2Same-day regression cleanup
May Help If You've Noticed
Claude Code won't launch at all on macOS 12 (Monterey)
A remote or scheduled session crashes with a content error after you approve a permission prompt

Changes in Claude Code v2.1.258

Fixed2 changes

  • •Fixed Claude Code failing to launch on macOS 12 (Monterey), a regression introduced in 2.1.255
  • •Fixed remote and scheduled sessions failing with "user messages must have non-empty content" after a re-sent permission approval could not be applied

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