Claude Code v2.1.45

Released Feb 17, 2026 (6 months ago).

164 issues reference this build

6 still open

158 resolved (96%)

"References this build" means the issue body mentions running 2.1.45 (from the bug-report template). It reflects report volume, not a proven defect count — an issue may mention a version without being caused by it. First-party data from the anthropics/claude-code tracker.

Top issues reported on v2.1.45

Ranked by community engagement (reactions and comments).

Go-based CLI tools (gh, terraform, etc.) fail with TLS error due to built-in HTTPS proxy
Open 💬 11 👍 50 #26466
[BUG] Cowork UI: Responses not rendering until user types; "working through complex response" hangs indefinitely
Resolved 💬 45 👍 24 #26805
[BUG] There's an issue with the selected model (claude-sonnet-4-6).
Open 💬 33 👍 15 #26408
[BUG] Bash tool: all commands fail with Bad file descriptor on Windows (Git Bash stdout broken)
Resolved 💬 11 👍 21 #26413
[BUG] Agent Teams teammates ignore bypassPermissions for Bash and don't inherit project settings.local.json
Open 💬 12 👍 16 #26479
[BUG] Official marketplace plugins fail validation — 'category' and 'source' keys leak into cached plugin.json
Resolved 💬 8 👍 17 #26555
[BUG] /context command no longer display in chat window on VS Code ext version 2.1.45
Open 💬 4 👍 18 #26490
Bash tool fails with exit code 1 on Windows - stdout capture broken
Open 💬 7 👍 15 #26558
Session permanently stuck on 'Rate limit reached' after transient rate limit
Resolved 💬 11 👍 12 #26699
[BUG] v2.1.45 Windows: Bash tool fails silently (exit code 1) when WSL bash is on PATH alongside Git Bash
Resolved 💬 9 👍 11 #26505
API Error: Rate limit reached
Open 💬 9 👍 10 #26496
[MODEL] Opus 4.6 ignores document instructions, repeats failed solutions, and fabricates misleading self-diagnosis
Resolved 💬 16 👍 6 #26533
UserPromptSubmit agent hooks fail: "Messages are required for agent hooks"
Resolved 💬 7 👍 9 #26474
Windows: plugin hooks spawn visible cmd.exe/conhost.exe windows despite windowsHide:true
Resolved 💬 7 👍 8 #27115
[Bug] Anthropic API Error: Internal Server Error (500)
Resolved 💬 5 👍 8 #26606
claude --resume doesn't show all sessions and loses conversation data after restart
Resolved 💬 8 👍 7 #26519
[BUG] Ctrl+O verbose mode does not expand truncated Bash tool input/output for python commands
Resolved 💬 4 👍 8 #26685
[Bug] Anthropic API Error: Internal Server Error (500)
Resolved 💬 5 👍 7 #26605
[BUG] Bash tool returns empty output for SSH commands that work in regular terminal
Resolved 💬 18 👍 2 #26562
[Bug] Bash commands exit with code 1 on Windows due to file descriptor incompatibility with Git Bash
Resolved 💬 5 👍 5 #26547
`/resume` picker hides sessions with mixed `cwd` history (after project directory rename/move)
Resolved 💬 7 👍 4 #46522
[BUG] claude Aborted at aarch64 native installation
Resolved 💬 7 👍 4 #26509
Bash tool broken on Windows: Git Bash MSYS2 Bad file descriptor with piped stdout
Resolved 💬 7 👍 4 #26486
Windows: Bash tool stdout capture broken when using Git Bash via CLAUDE_CODE_SHELL
Resolved 💬 6 👍 4 #26430
[BUG] Bash tool returns exit 1 with no output for all commands on Windows/MINGW (set -o onecmd injection)
Resolved 💬 5 👍 4 #26481
[Bug] Anthropic API Error: Internal server error (500)
Resolved 💬 4 👍 4 #26609
Bash tool: echo and shell builtins fail with exit code 1 on Cygwin
Resolved 💬 5 👍 3 #26482
[BUG] /stats command fails with 'Failed to load stats: Invalid time value'
Resolved 💬 2 👍 4 #26435
Recurring Bun crash on Windows: panic(main thread): switch on corrupt value
Resolved 💬 4 👍 3 #26590
[BUG] Hook paths broken on Windows in v2.1.47 — backslashes stripped, CWD prepended
Resolved 💬 3 👍 3 #26746

Changelog

What's changed

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