Claude Code v2.1.146
Released May 21, 2026 (3 months ago).
105 issues reference this build
5 still open
100 resolved (95%)
"References this build" means the issue body mentions running 2.1.146 (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 v2.1.146
Ranked by community engagement (reactions and comments).
- [FEATURE] Bring back /simplify
- [BUG] Cyber safeguards false positive: routine sysadmin audit commands blocked, write-only reporting blocked in new session, context poisoning breaks session recovery
- [BUG] MCP tool calls in CCR Routines fail with "requires approval" — no approval UI shown, reconnect does not resolve
- [Bug] Right-click paste duplicates text in WSL 2 terminal since v2.1.143
- Desktop app always starts sessions in "Accept Edits" mode instead of "Bypass Permissions", even though defaultMode: "bypassPermissions" is set in ~/.claude/settings.json
- Sub-agents cannot spawn other sub-agents: `Task`/`Agent` primitive not exposed in nested contexts
- Desktop app launches claude with --permission-mode default hardcoded; auto mode toggle fails
- [BUG] OSC 52 + MobaXterm issue
- [BUG] Dataverse MCP connector — all write operations fail with JObject does not match expected type 'String' for item parameter
- [BUG] MCP tools ignore permissions.allow — every call requires manual approval
- Regression (2.1.147–2.1.150?): resuming an extended-thinking session after a CC update/model-switch → unrecoverable 400, session bricked
- [BUG]
- [BUG] Claude Code Routines (CCR) with MCP connectors blocked by silent permission gate — regression since ~2026-05-20/21
- [BUG] API Error: 500
- [BUG] Double-charged after Max 5x plan silently downgraded to Free mid-cycle
- MCP connector tools fail with "requires approval" in routine remote execution sessions
- You've hit your session limit · resets 8:20pm (Pacific/Auckland)
- Background Bash processes can run indefinitely with no visibility to user or model
- [BUG] ExitWorktree refuses clean worktrees with 'Could not verify worktree state' — failed where.exe git resolution cached as null for entire session (Windows desktop)
- [BUG] marketplace add silently overwrites existing marketplace when two repos declare the same marketplace name
- [BUG] API Error 500 (no body) on Opus 4.7 with 1M context, intermittent across different requests
- [BUG] Routine cloud sessions resolve a different Gmail MCP server registration than interactive sessions on the same account, causing 100% draft-creation failure since ~2026-05-20 23:00 UTC.
- [BUG] Scheduled routines fail all MCP connector calls with "MCP tool call requires approval"
- JSONL transcript corruption: phantom parentUuid on first message after resume (v2.1.146, Opus 4.7)
- [BUG] PyCharm plugin hint from Claude Code plugin
- Inter-session coordination: wake / notify a parent session on child (sub-session) turn-end or idle
- Multiple server-side flags incorrectly restricting Pro user features: auto mode, skills dashboard, permission friction
- [BUG] Claude can use AskUserQuestion tool to block /goal mode indefinitely
- [BUG] IllegalStateException: EDT threading violation when approving all parallel edits in PHPStorm plugin
- [MODEL] Korean output corruption — words replaced with "영역" token in long responses
Changelog
What's changed
- Renamed
/simplifyto/code-reviewwith an optional effort level (e.g./code-review high) - Auto mode no longer suppresses
AskUserQuestionwhen the user or a skill explicitly relies on it - Fixed Windows PowerShell tool failing with "command line is invalid" when
pwshis installed via winget or the Microsoft Store (regression in v2.1.124) - Fixed MCP
resources/list,resources/templates/list, andprompts/listdropping items past page 1 on paginating servers - Fixed full-screen strobing in attached background sessions on Windows Terminal while Claude is streaming
- Fixed the auto-updater status line not showing your current version when an update fails
- Fixed on Windows, removing a background-job worktree no longer follows NTFS junctions into the main repo
- Fixed
/backgroundrefusing sessions whose only typed input was a skill or custom slash command - Fixed backgrounded sessions re-prompting for tool permissions you already granted with "don't ask again"
- Fixed
/themecolor editor and "New custom theme" dialogs not responding to Esc - Fixed an uncaught exception at the end of streaming sessions when running via the Agent SDK
- Fixed
forceLoginOrgUUIDandforceLoginMethodmanaged-settings policies not being enforced against third-party-provider and API-key sessions - Fixed GNOME Terminal right-click and middle-click paste not inserting text
- Fixed
CLAUDE_CODE_SUBAGENT_MODELnot being forwarded to child processes in multi-agent sessions - Improved auto-updater reliability: native version checks and downloads now retry transient network failures instead of failing immediately
- Improved diff rendering performance for large file edits