← Claude Code changelog

Claude Code 2.1.239

This release brings new features including a wider rollout of the fullscreen experience on Bedrock, Vertex, and Foundry, along with a dedicated `/claude-api upgrade` tool for migrating Python projects from `anthropic` 0.x to 1.x. Significant stability and usability improvements are also present, such as fixes for Bedrock streaming and startup issues, enhanced session management with more robust `/resume` behavior, and the availability of cross-session messaging for Windows users. These updates aim to provide a more consistent, efficient, and reliable experience across all platforms and workflows.

Added

  • Added the one-time fullscreen renderer offer on Bedrock, Vertex, Foundry and other previously excluded setups; new installs there now start in fullscreen
  • Added `/claude-api upgrade` to migrate Python projects from `anthropic` 0.x to 1.x, and updated the skill's Python reference for 1.x (timeouts use `anthropic.Timeout`, not `httpx.Timeout`)

Improved

  • Improved the reminder shown after compaction so a skill's original arguments are not re-run as a new request

Changed

  • Cost estimates (`/cost`, status line, `--max-budget-usd`) now include the 1.1× US-only-inference premium for data-residency workspaces
  • Cloud sessions: plugins synced from claude.ai now show as `name@synced`, work with `claude plugin enable/disable <name>@synced`, and never override a same-named plugin you installed
  • Alpine/musl builds: native image paste, clipboard, and audio-capture add-ons now load (musl-built binaries instead of glibc ones refused by the runtime)
  • The usage-limit message shown when your monthly spend limit is already used up now also says when your session or weekly limit resets
  • Long file paths on tool-use rows now truncate in the middle to stay on one line
  • Remote sessions keep sending keep-alives while a long `SessionStart` or `Setup` hook runs, so the container is not idle-reaped mid-hook
  • `/goal`: repeat check-ins on long-running background work now back off (30 min, then 1 h, then every 2 h) instead of repeating every 30 minutes
  • `/goal`: resuming a session from the `claude --resume` picker now restores its active goal
  • `ListAgents` now tells a session its own name (the one peers use to message it), and `SendMessage` to your own name says so instead of "no agent named …"
  • `ListAgents` and `/list-agents` now list your live teammates (previously only subagents and other sessions appeared, so a reachable teammate looked absent)
  • `keybindingFlavor: "readline"` now also matches Bash for word keys: Alt+F and Ctrl/Option+→ stop at the end of the word, Alt+D deletes to it (Ctrl+Y pastes it back), and punctuation separates words
  • Persistent retry mode (`CLAUDE_CODE_RETRY_WATCHDOG`) now fails immediately on organization spend-limit and out-of-credits errors instead of waiting indefinitely for a reset
  • Claude in Chrome: `/clear` now closes the session's Chrome tab group, and empty groups are closed on `/resume` and when Claude Code exits
  • Remote sessions: images uploaded from mobile now include their saved file path, so Claude can copy them into files it creates
  • Claude Code on the web: requests from Bash and other tools to non-API anthropic.com hosts (e.g. www, docs) now go through the session's network proxy, so your environment's allowed domains apply
  • Remote Control: clearer message and `claude doctor` wording when Remote Control isn't enabled for your account
  • Windows: cross-session messaging is now available, so Claude Code sessions across your machines can message each other with `SendMessage` and find each other with `ListAgents`, as on macOS and Linux
  • "View usage" in the usage-limit banner now sits inline with the warning text instead of floating mid-banner

Fixed

  • Fixed Bedrock streaming behind proxies that strip the response Content-Type header, which silently doubled billed API calls by re-running every turn non-streaming
  • Fixed Claude Code hanging at startup behind an HTTPS proxy when using Bedrock with an SSO profile and `awsAuthRefresh` — the credential pre-check now honors `HTTPS_PROXY`
  • Fixed a raw crash dump when starting Claude Code from a directory that no longer exists; it now prints a clear message
  • Fixed Edit and Write calls pausing for about 5 seconds in JetBrains IDE terminals when the Claude Code plugin is connected
  • Fixed a race where pressing Esc with a prompt queued could let the next turn finish early, leaving the session idle while Claude was still working and letting a later resubmit repeat actions
  • Fixed WebFetch retaining expired page content in memory for the whole session instead of the intended 15 minutes
  • Fixed cloud sessions (Claude Code on the web, desktop and mobile apps) resuming out of plan mode after an idle worker restart
  • Fixed MCP elicitation forms taller than the terminal being clipped in fullscreen mode: the form now fits the window, with hidden fields reachable by scrolling and Accept/Decline always visible
  • Fixed remote MCP servers staying failed after a transient 5xx on a mid-session reconnect in cloud sessions or via SDK `setMcpServers()`
  • Fixed custom session titles disappearing from `/resume` after more than ~64 KB of conversation was written following the rename
  • Fixed `claude -c`/resume picking up sessions from a different directory whose path differed only by characters like `_`, `-`, or `.`
  • Fixed `/resume` and the agents view showing a session as recently changed (and reordering it) when only its file was touched or it was merely reopened
  • Fixed `/resume` in all-projects mode telling you to `cd` into a deleted directory (e.g. a removed worktree); such sessions now resume in the current directory
  • Fixed the `dark-ansi` theme rendering expanded tool results in fullscreen mode with text the same color as the background
  • Fixed the fullscreen renderer prompt reappearing on every launch when it could never be answered; it now stops after being shown on three launches
  • Fixed `.worktreeinclude` patterns starting with `**/` silently matching nothing when the target lived in a gitignored directory
  • Fixed agents, skills, and commands whose `.md` file starts with a UTF-8 BOM being silently ignored
  • Fixed `/insights` echoing literal `<message>` tags in its response on some models
  • Fixed marketplace `metadata.pluginRoot` having no effect: bare plugin source names now resolve under it as the docs describe
  • Fixed mouse movement in browser-based terminals inserting text like `"35;150;7M"` into the prompt when a mouse report arrived split across writes
  • Fixed custom theme overrides for the effort/ultracode status badge colors being ignored
  • Fixed OpenTelemetry trace fragmentation: tool executions deferred by a `PreToolUse` hook now resume in the original turn's trace instead of starting a new trace
  • Fixed vim mode in the agent view: Escape now switches to NORMAL mode and keeps your text instead of clearing the prompt
  • Fixed the `selection:copy` keybinding silently dropping a text selection that had been extended with Shift+Arrow keys
  • Fixed the `/voice` startup tip still appearing after voice dictation was enabled via the `voice.enabled` setting
  • Fixed shell-mode (`!`) Tab completion dropping the `./` from a `./script` path, which left a command the shell couldn't run
  • Fixed fullscreen mode answering a permission prompt or pressing a button when you clicked the terminal window only to bring it back into focus
  • Fixed slash-command panels (e.g. `/config`, `/model`) in fullscreen mode covering the latest messages; the conversation now stays pinned above the panel
  • Fixed the `/workflows` detail dialog overflowing the terminal and losing its header off-screen when opened while Claude is still responding
  • Fixed the Linux sandbox making a nonexistent `.git/config.worktree` unreadable, which broke every sandboxed git command in repos with `extensions.worktreeConfig` set
  • Fixed hooks failing with "posix_spawn ENOENT" after the session's working directory was deleted; they now run from the project root or home directory instead
  • Fixed `claudeMdExcludes` not excluding a symlinked `.claude/rules` file when the pattern names the rules directory or the symlink rather than its target
  • Fixed runaway session-title syncing to Remote Control when two Claude Code processes shared one background job's state (2.1.232 regression); title updates are now deduplicated and rate-limited
  • Fixed sessions whose title starts with `/` being unaddressable by `SendMessage` and shown as "(untitled)" in `ListAgents`
  • Fixed Ctrl+W, Ctrl+U, Ctrl+K, Option+Backspace, Option+D and vim `df`/`dt` leaving a broken `[Pasted text #N]` placeholder when the cursor was inside it
  • Fixed masked (password-style) inputs such as the login code field letting their text be pasted back with Ctrl+Y elsewhere or saved to prompt history when cleared with double Esc
  • Fixed Ctrl+Backspace deleting one character instead of a word in search boxes
  • Fixed a request rejected by an organization policy check being re-sent before the rejection was shown