•Added support for Claude Sonnet 4.6
•Added support for reading enabledPlugins and extraKnownMarketplaces from --add-dir directories
•Added spinnerTipsOverride setting to customize spinner tips — configure tips with an array of custom tip strings, and optionally set excludeDefault: true to show only your custom tips instead of the built-in ones
•Added SDKRateLimitInfo and SDKRateLimitEvent types to the SDK, enabling consumers to receive rate limit status updates including utilization, reset times, and overage information

Improved2 changes

•Improved startup performance by removing eager loading of session history for stats caching
•Improved collapsed read/search groups to show the current file or search pattern being processed beneath the summary line while active

Fixed7 changes

•Fixed Agent Teams teammates failing on Bedrock, Vertex, and Foundry by propagating API provider environment variables to tmux-spawned processes (anthropics/claude-code#23561)
•Fixed sandbox "operation not permitted" errors when writing temporary files on macOS by using the correct per-user temp directory (anthropics/claude-code#21654)
•Fixed Task tool (backgrounded agents) crashing with a ReferenceError on completion (anthropics/claude-code#22087)
•Fixed autocomplete suggestions not being accepted on Enter when images are pasted in the input
•Fixed skills invoked by subagents incorrectly appearing in main session context after compaction
•Fixed excessive .claude.json.backup files accumulating on every startup
•Fixed plugin-provided commands, agents, and hooks not being available immediately after installation without requiring a restart

Removed1 change

•Improved memory usage for shell commands that produce large output — RSS no longer grows unboundedly with command output size

Other1 change

•[VSCode] Improved permission destination choice (project/user/session) to persist across sessions

Added4 changes

•Added support for Claude Sonnet 4.6

•Added support for reading enabledPlugins and extraKnownMarketplaces from --add-dir directories

•Added spinnerTipsOverride setting to customize spinner tips — configure tips with an array of custom tip strings, and optionally set excludeDefault: true to show only your custom tips instead of the built-in ones

•Added SDKRateLimitInfo and SDKRateLimitEvent types to the SDK, enabling consumers to receive rate limit status updates including utilization, reset times, and overage information

Fixed7 changes

•Fixed Agent Teams teammates failing on Bedrock, Vertex, and Foundry by propagating API provider environment variables to tmux-spawned processes (anthropics/claude-code#23561)

•Fixed sandbox "operation not permitted" errors when writing temporary files on macOS by using the correct per-user temp directory (anthropics/claude-code#21654)

•Fixed Task tool (backgrounded agents) crashing with a ReferenceError on completion (anthropics/claude-code#22087)

•Fixed autocomplete suggestions not being accepted on Enter when images are pasted in the input

•Fixed skills invoked by subagents incorrectly appearing in main session context after compaction

•Fixed excessive .claude.json.backup files accumulating on every startup

•Fixed plugin-provided commands, agents, and hooks not being available immediately after installation without requiring a restart

v2.1.45Claude Code Release NotesFeb 17, 2026

Changes in Claude Code v2.1.45

Added4 changes

Improved2 changes

Fixed7 changes

Removed1 change

Other1 change

v2.1.45Claude Code Release NotesFeb 17, 2026

Changes in Claude Code v2.1.45

Added4 changes

Improved2 changes

Fixed7 changes

Removed1 change

Other1 change