•Fixed thinking mode triggering on negation phrases like "don't think"
•Fixed rendering performance degradation during token streaming
•Fixed a bug where resuming a conversation in headless mode would sometimes enable thinking unnecessarily

Other2 changes

•Bash permission rules now support output redirections when matching (e.g., Bash(python:*) matches python script.py > output.txt)
•Migrated --debug logging to a file, to enable easy tailing & filtering

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v1.0.123Claude Code Release NotesSep 23, 2025

Release containing 1 new feature, 1 improvement, 3 fixes, and 2 other updates.

Total Changes

Days Since Previous Release

Version Type

Patch

Release Focus

Mixed

Category Breakdown

Added (1)

Improved (1)

Fixed (3)

Other (2)

Post-Release Edits Detected

1 added1 removed

Removed Changes

Added SlashCommand tool, which enables Claude to invoke your slash commands. https://docs.claude.com/en/docs/claude-code/slash-commands#SlashCommand-tool

Last edit detected: Dec 03, 2025

Added1 change

•Added SlashCommand tool, which enables Claude to invoke your slash commands. https://code.claude.com/docs/en/slash-commands#SlashCommand-tool

Improved1 change

•Enhanced BashTool environment snapshot logging

Fixed3 changes

•Fixed thinking mode triggering on negation phrases like "don't think"
•Fixed rendering performance degradation during token streaming
•Fixed a bug where resuming a conversation in headless mode would sometimes enable thinking unnecessarily

Other2 changes

•Bash permission rules now support output redirections when matching (e.g., Bash(python:*) matches python script.py > output.txt)
•Migrated --debug logging to a file, to enable easy tailing & filtering

v1.0.123Claude Code Release NotesSep 23, 2025

Post-Release Edits Detected

Changes in Claude Code v1.0.123

Added1 change

Improved1 change

Fixed3 changes

Other2 changes

v1.0.123Claude Code Release NotesSep 23, 2025

Post-Release Edits Detected

Changes in Claude Code v1.0.123

Added1 change

Improved1 change

Fixed3 changes

Other2 changes