Claude Code 2.1.45 — Release Notes & Changelog

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

Improved startup performance by removing eager loading of session history for stats caching
Improved memory usage for shell commands that produce large output — RSS no longer grows unboundedly with command output size
Improved collapsed read/search groups to show the current file or search pattern being processed beneath the summary line while active
vscodeImproved permission destination choice (project/user/session) to persist across sessions

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

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