•Added env var CLAUDE_CODE_ENABLE_TASKS, set to false to keep the old system temporarily
•Added shorthand $0, $1, etc. for accessing individual arguments in custom commands

Fixed8 changes

•Fixed crashes on processors without AVX instruction support
•Fixed dangling Claude Code processes when terminal is closed by catching EIO errors from process.exit() and using SIGKILL as fallback
•Fixed /rename and /tag not updating the correct session when resuming from a different directory (e.g., git worktrees)
•Fixed resuming sessions by custom title not working when run from a different directory
•Fixed pasted text content being lost when using prompt stash (Ctrl+S) and restore
•Fixed agent list displaying "Sonnet (default)" instead of "Inherit (default)" for agents without an explicit model setting
•Fixed backgrounded hook commands not returning early, potentially causing the session to wait on a process that was intentionally backgrounded
•Fixed file write preview omitting empty lines

Changed2 changes

•Changed skills without additional permissions or hooks to be allowed without requiring approval
•Changed indexed argument syntax from $ARGUMENTS.0 to $ARGUMENTS[0] (bracket syntax)

Other2 changes

•[SDK] Added replay of queued_command attachment messages as SDKUserMessageReplay events when replayUserMessages is enabled
•[VSCode] Enabled session forking and rewind functionality for all users

Back to all releases

v2.1.19Claude Code Release NotesJan 23, 2026

Bug-fix release with 2 new features, 8 fixes, 2 changes, and 2 other updates.

Total Changes

Days Since Previous Release

Version Type

Patch

Release Focus

Bug Fixes

Category Breakdown

Added (2)

Changed (2)

Fixed (8)

Other (2)

Filter by Platform

Added2 changes

•Added env var CLAUDE_CODE_ENABLE_TASKS, set to false to keep the old system temporarily
•Added shorthand $0, $1, etc. for accessing individual arguments in custom commands

Fixed8 changes

•Fixed crashes on processors without AVX instruction support
•Fixed dangling Claude Code processes when terminal is closed by catching EIO errors from process.exit() and using SIGKILL as fallback
•Fixed /rename and /tag not updating the correct session when resuming from a different directory (e.g., git worktrees)
•Fixed resuming sessions by custom title not working when run from a different directory
•Fixed pasted text content being lost when using prompt stash (Ctrl+S) and restore
•Fixed agent list displaying "Sonnet (default)" instead of "Inherit (default)" for agents without an explicit model setting
•Fixed backgrounded hook commands not returning early, potentially causing the session to wait on a process that was intentionally backgrounded
•Fixed file write preview omitting empty lines

Changed2 changes

•Changed skills without additional permissions or hooks to be allowed without requiring approval
•Changed indexed argument syntax from $ARGUMENTS.0 to $ARGUMENTS[0] (bracket syntax)

Other2 changes

•[SDK] Added replay of queued_command attachment messages as SDKUserMessageReplay events when replayUserMessages is enabled
•[VSCode] Enabled session forking and rewind functionality for all users

v2.1.19Claude Code Release NotesJan 23, 2026

Changes in Claude Code v2.1.19

Added2 changes

Fixed8 changes

Changed2 changes

Other2 changes

v2.1.19Claude Code Release NotesJan 23, 2026

Changes in Claude Code v2.1.19

Added2 changes

Fixed8 changes

Changed2 changes

Other2 changes