# Claude Code v2.1.238

- Product: Claude Code (https://whatsnew.fyi/product/claude-code)
- Vendor: Anthropic
- Date: 2026-08-20
- Version: v2.1.238
- Original notes: https://github.com/anthropics/claude-code/releases/tag/v2.1.238
- Permalink: https://whatsnew.fyi/product/claude-code/releases/v2.1.238

What's New is an index, not a publisher: every entry below links to the vendor's own release notes, which are the authoritative source. Entries are labelled where they are hand-curated sample data, pre-releases, or drawn from a secondary source such as a developer blog.

Reuse: the summaries, labels and curation here are © What's New. Quote freely with attribution and a link back; wholesale republication of the corpus is not permitted — terms: https://whatsnew.fyi/terms. The vendors' own release notes remain their publishers'.

---

- **added** — Added a keybindingFlavor setting to make Ctrl+W in the prompt delete back to the previous whitespace when set to readline
- **added** — Added headersHelper on plugin marketplaces to mint HTTP headers for catalog and archive fetches
- **added** — Added claude self-hosted-runner --defer-shutdown-max-min to keep serving attached sessions for a specified duration before exiting
- **added** — Added claude self-hosted-runner --proxy-authorization-command and --proxy-authorization-file for egress proxies requiring fresh Proxy-Authorization headers
- **fixed** — Fixed unbounded memory growth in long interactive sessions by releasing subagent tool results once they leave the recent display window
- **fixed** — Fixed custom, project, and plugin output styles drifting back to default voice mid-session
- **fixed** — Fixed CLAUDE_CODE_ENABLE_PROMPT_SUGGESTION=true not keeping prompt suggestions on near usage limit
- **fixed** — Fixed worktree-isolation Bash refusals incorrectly telling you to remove a redirect
- **fixed** — Fixed self-hosted runners occasionally being removed by the server after a single slow or lost poll request
- **fixed** — Fixed MCP elicitation dialogs showing nothing for URLs longer than 4,096 characters
- **fixed** — Fixed permission prompts dropping the don't ask again option when project path didn't fit terminal width
- **fixed** — Fixed leftover /tmp/claude-*-cwd files when a Bash command is killed, times out, or interrupted
- **fixed** — Fixed held Backspace being ignored on terminals sending Ctrl+H when keystrokes arrive in large bursts
- **fixed** — Fixed text-wrapping in permission prompt diffs for lines with wide multi-code-point characters or tabs
- **fixed** — Fixed killing a suspended session sometimes leaving the terminal in bracketed-paste mode with cursor hidden
- **fixed** — Fixed stdio MCP servers receiving server/discover request before initialize
- **fixed** — Fixed a proxy's connection refusal being reported as generic network error instead of naming the proxy
- **fixed** — Fixed /model and /effort cache-miss warning appearing when prompt cache had already expired
- **fixed** — Fixed per-task Stop from Remote Control tasks panel doing nothing on CLI-hosted sessions
- **fixed** — Fixed remote sessions exiting when a client delivered a user message without a valid role

##### What's changed

- Added a `keybindingFlavor` setting: set it to `"readline"` to make Ctrl+W in the prompt delete back to the previous whitespace, as in Bash; the default (`"classic"`) is unchanged
- Plugin marketplaces: `headersHelper` on a url marketplace or a catalog entry runs a command that mints HTTP headers (e.g. a short-lived token) for catalog and same-origin archive fetches
- A catalog entry's `headersHelper` runs only when you install or update that plugin, after its command is shown; `claude plugin install/update` ask `[y/N]` (or pass `-y`)
- Added `claude self-hosted-runner --defer-shutdown-max-min <minutes>`: on SIGTERM, keep serving attached sessions, park what is left after that many minutes, then exit
- Added `claude self-hosted-runner --proxy-authorization-command` / `--proxy-authorization-file` for egress proxies that require a freshly issued `Proxy-Authorization` header on every connection
- Fixed unbounded memory growth in long interactive sessions: subagent tool results are now released once they leave the recent display window
- Fixed custom, project, and plugin output styles drifting back to the default voice mid-session
- Fixed `CLAUDE_CODE_ENABLE_PROMPT_SUGGESTION=true` not keeping prompt suggestions on when your account is near, but not over, its usage limit
- Fixed worktree-isolation Bash refusals telling you to remove a redirect when the command had none
- Fixed self-hosted runners occasionally being removed by the server after a single slow or lost poll request, handing their healthy session to another runner
- Fixed MCP elicitation dialogs showing nothing for URLs longer than 4,096 characters, and permission prompts dropping the "don't ask again" option when the project path didn't fit the terminal width
- Fixed leftover `/tmp/claude-*-cwd` files when a Bash command is killed, times out, or is interrupted
- Fixed held Backspace being ignored on terminals that send Ctrl+H for Backspace when keystrokes arrive in large bursts (slow SSH/mosh links)
- Fixed text-wrapping in permission prompt diffs: lines containing wide multi-code-point characters (such as emoji) or tabs are no longer clipped
- Fixed killing a suspended (Ctrl+Z) session sometimes leaving the terminal in bracketed-paste mode with the cursor hidden
- Fixed stdio MCP servers receiving a `server/discover` request before `initialize`, forcing lazy servers to start their backend on every session open
- Fixed a proxy's refusal of a connection being reported as a generic network error instead of naming the proxy
- Fixed the `/model` and `/effort` cache-miss warning appearing when the prompt cache had already expired
- Fixed per-task Stop from the Remote Control tasks panel doing nothing on CLI-hosted sessions
- Fixed remote sessions exiting when a client delivered a user message without a valid role
- Fixed Remote Control sessions started by `claude remote-control` inheriting session-scoped environment variables from the launching shell
- Fixed a Remote Control session whose process crashed staying unavailable until `claude remote-control` was restarted; it can now be reused when you next message it
- Fixed Remote Control messages sent from the web or Desktop while Claude is mid-turn disappearing from the transcript after the turn finishes
- Fixed Remote Control model picks made on a phone or web not updating the model shown in the terminal
- Fixed Remote Control disconnecting with "login expired" when a brief network hiccup delays renewing your sign-in; it now retries and stays connected
- Fixed Remote Control reporting a failed reconnect on sign-out; signing out now ends the session with a clear message
- Fixed `ListAgents`/`SendMessage` reporting "Remote Control is not connected" in sessions run by `claude remote-control` (server mode) or Desktop/IDE hosts; they now list and reach Remote Control peers
- Fixed `ListAgents` and `SendMessage` exposing the idle worker that the agent view pre-warms for your next background session; it now

_[Truncated at 4000 characters — full notes: https://github.com/anthropics/claude-code/releases/tag/v2.1.238]_