Claude Code v2.1.201

Released Jul 3, 2026 (1 month ago).

"References this build" means the issue body mentions running 2.1.201 (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 v2.1.201

Ranked by community engagement (reactions and comments).

• Assistant text blocks silently dropped when followed by more thinking in the same turn — never rendered, missing from transcript JSONL (2.1.201, adaptive thinking)
  Open 💬 33 👍 27 #74260
• [BUG] Fable 5: mid-turn assistant text blocks intermittently delivered as summarized thinking blocks (turn appears silent)
  Open 💬 11 👍 9 #74558
• Background worker crash-loop on session start: "worker crashed (exit 1 — exit_with_message) — respawning…"
  Resolved 💬 5 👍 10 #74182
• [BUG] Burning through more tokens, while doing nothing different then before.
  Resolved 💬 11 👍 6 #74803
• Bundled claude-api skill injects entire 570KB SKILL.md (~210k tokens) into context on load
  Resolved 💬 2 👍 9 #74473
• [Bug] Fable 5 writes user-facing output into hidden thinking instead of a text block — same as #66112, fixed for Opus but still reproduces on Fable
  Open 💬 4 👍 8 #74176
• [BUG] Sessions containing /loop command are permanently hidden from /resume
  Resolved 💬 2 👍 8 #74744
• "Always allow" for Claude-in-Chrome site permissions is always persisted as duration:"once" — approved sites list stays empty, prompt repeats for every browser action
  Open 💬 10 👍 3 #74715
• WorktreeRemove hook never fires when a worktree is removed at session exit
  Open 💬 7 👍 4 #74708
• Claude Desktop: allow opening/resuming local sessions not present in the account's sidebar (multi-account support)
  Open 💬 3 👍 5 #74662
• /resume can't reopen sessions with live background tasks — forced detour through `claude agents`
  Open 💬 1 👍 5 #74529
• loop trying to login.
  Open 💬 6 👍 3 #78946
• [BUG] PermissionRequest hook 'allow' for ExitPlanMode is ignored since v2.1.199 — plan-approval chooser still blocks
  Open 💬 3 👍 4 #74256
• grep shell shim (claude-as-ugrep): unbounded memory growth on ERE bounded quantifiers {m,n} — OOMs the host
  Open 💬 6 👍 3 #74143
• [BUG] TUI renders garbled inside tmux since 2.1.200 (last-good 2.1.199) — only repaints on forced redraw
  Open 💬 9 👍 2 #74122
• Remote Control: no way to enable Claude in Chrome for spawned sessions
  Open 💬 2 👍 4 #74671
• Linux sandbox: recursive Read() deny globs expand to per-file bwrap binds → E2BIG on every command (incl. echo hello) when a denied directory holds many files
  Open 💬 2 👍 4 #74081
• Auto-compaction plateaus near ~75% context usage on Sonnet 5 (v2.1.201), causing repeated compact/work loop
  Open 💬 10 👍 1 #74273
• [BUG] MSIX Installation failure: AddPackage failed with HRESULT 0x80073CF9
  Open 💬 10 👍 1 #74170
• [BUG] PyCharm Terminal scroll
  Resolved 💬 5 👍 2 #74781
• [BUG] ScheduleWakeup in --print/headless mode is a silent no-op
  Open 💬 2 👍 3 #74685
• macOS TCC permission prompts show "2.1.201" as the app name, and grants reset on every version update
  Open 💬 2 👍 3 #74068
• [BUG] Subagent model override is dropped on resume/continuation — resumed turns silently fall back to the session model
  Resolved 💬 4 👍 2 #74591
• sonnet[1m] and fable[1m] model aliases do not apply 1M context window (only opus[1m] works)
  Open 💬 4 👍 2 #74562
• Vi mode: option for yank/put to use the system clipboard (like Vim's clipboard=unnamed)
  Open 💬 0 👍 3 #76699
• Background agent sessions (claude --bg/claude agents): fast session termination, worker crash-loop on attach, and lost background-task completion records
  Open 💬 9 #75037
• [Bug] Claude Code fails to launch with EPERM error on macOS
  Open 💬 3 👍 2 #74829
• Fan-out research skills (deep-research) inherit the session model for all subagents — no model tiering — burning premium-model quota in a single run
  Open 💬 3 👍 2 #74171
• [FEATURE] Execute queued built-in slash commands (e.g. /compact) at end of turn instead of delivering them to the model as text
  Open 💬 2 👍 2 #76523
• [BUG] Claude Desktop window raises to front on mouse hover (LinuxMint/Cinnamon), unlike other Electron apps
  Open 💬 5 👍 1 #75905

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