docs: Claude Code v2.1.243 - keyless sign-in, modelPicker, 75MB binary, prompt cache TTL control

content/CHANGELOG.md

@@ -1,5 +1,68 @@
 # Changelog
 
+## 2.1.243
+
+- Added a Loops breakdown to `/usage`: per-loop run count, total tokens, tokens per run, and last run, so runaway or chatty `/loop` tasks are easy to spot
+- Added `modelPicker` setting: curate the `/model` picker with an ordered, labeled list of models (any id spelling, including Vertex/Bedrock ids), appended to or replacing the built-in lineup
+- Added `promptCacheTtl` and `subagentPromptCacheTtl` settings so API-key and cloud-provider users can keep a 1-hour prompt cache on the main conversation while subagents stay at 5 minutes
+- Added `modelPricing` managed setting so an organization's contracted per-model rates and discount multiplier are used for `/cost`, the status line, and telemetry cost figures instead of list price
+- Added a keyless sign-in under `/login` → Anthropic Console: "Sign in with your Console account" (recommended) alongside creating an API key, so organizations that don't allow API keys can sign in
+- Added a `Skipped sources` line to `/status` that lists managed settings sources (for example `managed-settings.json`) present but not applied because a higher-precedence managed source is active
+- Added a `managed` marker in `/mcp` and `/plugins` on claude.ai connectors whose authentication is managed by your organization
+- Added a tip pointing claude.ai users who haven't connected GitHub for Claude Code on the web to `/web-setup`
+- Added a `/status` line showing whether GitHub is connected for Claude Code on the web (Pro/Max), pointing to `/web-setup` when it isn't
+- Added the model (and effort level) each subagent ran on to `/tasks` and the agent detail dialogs
+- Fixed remote MCP servers in non-interactive (`-p`) and SDK sessions never recovering after a dropped connection; they now reconnect automatically or report as failed
+- Fixed MCP server sign-in started from the desktop app failing with "Invalid redirect URI" on servers that support client ID metadata documents (for example Linear)
+- Fixed auto mode staying unavailable at startup when a temporary server-side disable was cached and later flag fetches failed
+- Fixed auto mode tool calls being denied as "temporarily unavailable" after about a minute of waiting when the API was briefly overloaded and asked the client to retry
+- Fixed the `/model` picker silently ignoring an Ultracode selection; picking Ultracode now applies it to the current session
+- Fixed `/resume` only listing the 50 most recent sessions; the picker now loads more as you scroll
+- Fixed cloud sessions resuming after a mid-turn restart with a pending hook or background-task notification re-sent as the prompt instead of the normal continuation message
+- Fixed cross-session messaging silently turning off inside user namespaces and rootless containers after the 2.1.232 socket-directory hardening
+- Fixed text that hangs outside its container (for example the sign-in URL in `/login`) losing its leading columns when another part of the screen repaints
+- Fixed `spellcheck` not underlining a misspelled word typed directly after an emoji
+- Fixed background subagents not waking when their last background Bash task completes
+- Fixed sessions going silent for 10+ minutes when the Anthropic API never starts a response: the request now times out after ~3 minutes, retries once, then shows `API Error: No response from API`
+- Fixed auth, model-availability, and other client-generated error messages rendering like model output instead of as error lines
+- Fixed workload identity federation in CI: processes in one job share the exchanged token instead of re-exchanging the single-use token; a rejected exchange fails fast with the server's message
+- Fixed server-managed `companyAnnouncements` not showing at startup in a session that began with signing in (for example the first launch after `/logout`)
+- Fixed hook `if` conditions like `Bash(cat *)` firing on unrelated Bash commands when the command contained `$()` or backtick command substitution followed by more arguments
+- Fixed plugin dependencies declared with a `marketplace` field never resolving when both plugins are loaded together via `--plugin-dir`
+- Fixed `/reload-plugins` keeping the LSP tool after the last LSP plugin is disabled; it now also warns before an LSP plugin change that would re-read the conversation
+- Fixed `--agents` silently ignoring invalid JSON or invalid agent definitions; it now exits with a clear error, like `--mcp-config`
+- Fixed `/status` showing "Found invalid entries in: ." with no filename when `~/.claude.json` has an invalid MCP server entry
+- Fixed `/clear` removing the `/rename` session name from the prompt bar even though the name was kept for the new session
+- Fixed Ctrl+R history search and up-arrow history breaking when `~/.claude/history.jsonl` contains a malformed entry
+- Fixed Ctrl+[ not leaving vim INSERT mode in terminals that encode modified keys (modifyOtherKeys / kitty protocol)
+- Fixed the local IDE connection being routed through `HTTPS_PROXY` (and sometimes failing) when `localhost` was listed in `NO_PROXY` but not lowercase `no_proxy`; both casings are now honored
+- Fixed sandbox network-violation details being dropped from the Bash tool result when the blocked command still exited 0 (for example `curl` printing the proxy's 403 page)
+- Fixed the status line `rate_limits` fields and `/usage` still showing a rate-limit window's pre-reset usage percentage after the window reset while the session was idle
+- Fixed `claude --teleport <session>` exiting on uncommitted changes instead of offering to stash them and continue, as the session picker already does
+- Fixed `/web-setup` repeatedly asking you to log in when an older GitHub CLI (without `gh auth token`) was already authenticated
+- Fixed Claude in Chrome losing its connection to Claude Code after an auto-update cleaned up the version it was set up with; the native host now launches via the stable `claude` launcher
+- [VSCode] Fixed sessions started before feature flags were first fetched (for example right after install) opening in the default permission mode instead of auto mode or your configured default mode
+- [VSCode] Fixed Focus view sections you expanded collapsing on their own during subagent tool activity
+- Improved startup time: sandbox and MCP bring-up no longer block the first frame, bare launches skip subcommand registration, and workflow discovery, settings, and trust-store work is cheaper
+- Improved native install and auto-update download size: the binary is now zstd-compressed (about 75 MB instead of 340 MB on Linux x64)
+- Improved attribution of usage telemetry to your organization for sessions that authenticate with `ANTHROPIC_AUTH_TOKEN` directly against the Anthropic API, so its data-handling settings apply
+- Improved native binary size: about 2 MB smaller by storing the bundled skill and prompt text more compactly
+- Improved memory usage of native builds: code is now loaded on demand instead of keeping the whole bundle resident (roughly 40–70 MB less memory per session)
+- Improved peak memory usage in long-running sessions (the runtime now garbage-collects sooner as the heap grows)
+- Improved `/login` over SSH: the sign-in URL appears immediately, pressing `c` reports how the URL was copied instead of always claiming success, and a hint explains how to select text in fullscreen
+- Improved the error when effort `xhigh`/`max` is used with thinking turned off: it now names the level, the setting that disabled thinking, and `/effort high` as the fix
+- Improved `/loop`: consecutive wake-ups where Claude has nothing to do now fold into a single line in the terminal instead of printing each one
+- Changed the sandboxed Bash tool prompt to no longer list allowed network hosts, so Claude attempts requests (and you can approve new hosts) instead of assuming unlisted hosts are blocked
+- Updated the `/model` picker and the bundled `claude-api` skill to show Sonnet 5's $2/$10 per Mtok pricing as its standard list price rather than a limited-time promo
+- Changed computer use on macOS so clicking the desktop, Dock, or a Finder window requires granting Finder via the access dialog, like any other app
+- Changed `/model`, `/fast`, and `/effort` to also run immediately instead of queueing until the turn ends on Bedrock, Vertex, and Foundry and when telemetry is disabled
+- Fixed `claude remote-control` exiting and stranding attached Remote Control sessions when the server drops its environment mid-session; it now recovers
+- Fixed Remote Control sessions served by `claude remote-control` sometimes getting stuck after it was stopped and restarted, for Team and Enterprise members without an admin or owner role
+- Changed the cross-session messaging inbox socket to close connections that send no complete line within 30 seconds; scripts posting to it should connect once their data is ready
+- Improved the notice when resuming a conversation whose Remote Control is held by another terminal: it now says sessions on other machines can't be seen from, or reach, this one
+- [VSCode] Improved history trimming in long sessions: older tool-activity rows are dropped first so your messages and Claude's replies stay visible
+- [VSCode] Improved attribution of the extension's own usage telemetry to your organization when you are signed in with a Claude account, so its data-handling settings apply
+
 ## 2.1.241
 
 - Bug fixes and reliability improvements

content/claude-code-manifest.json

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content/en/about-claude/models/choosing-a-model.md

@@ -60,7 +60,7 @@ This approach is best for:
 
 **Claude Opus 5** (`claude-opus-5`) is a step-change improvement over Claude Opus 4.8, strong on deep reasoning, agentic and long-horizon tasks, and test-time compute scaling. Claude Opus 5 supports a 1M token context window by default and up to 128k output tokens, and is priced at $5 USD per million input tokens and $25 USD per million output tokens.
 
-**Claude Fable 5** (`claude-fable-5`) is Anthropic's most capable widely released model, delivering next-generation intelligence for long-running agents. **Claude Mythos 5** (`claude-mythos-5`) is available through [Project Glasswing](https://anthropic.com/glasswing). Both models support a 1M token context window by default, up to 128k output tokens, and always-on [adaptive thinking](https://platform.claude.com/docs/en/build-with-claude/thinking). See [Introducing Claude Fable 5 and Claude Mythos 5](https://platform.claude.com/docs/en/about-claude/models/introducing-claude-fable-5-and-claude-mythos-5) for launch details.
+**Claude Fable 5** (`claude-fable-5`) is Anthropic's most capable widely released model, delivering next-generation intelligence for long-running agents. **Claude Mythos 5** (`claude-mythos-5`) is available through [Project Glasswing](https://anthropic.com/glasswing). Both models support a 1M token context window by default, up to 128k output tokens, and always-on [adaptive thinking](https://platform.claude.com/docs/en/build-with-claude/thinking). See [Introducing Claude Fable 5 and Claude Mythos 5](https://platform.claude.com/docs/en/models/fable-5/introducing-claude-fable-5-and-claude-mythos-5) for launch details.
 
 Claude Fable 5 and Claude Mythos 5 are priced at $10 USD per million input tokens and $50 USD per million output tokens.
 
@@ -98,15 +98,15 @@ Multi-model strategies pair a lower-cost model with a frontier model so that mos
 ## Next steps
 
 <CardGroup cols={2}>
-  <Card title="Model comparison chart" icon="settings" href="https://platform.claude.com/docs/en/about-claude/models/overview">
+  <Card title="Model comparison chart" icon="settings" href="https://platform.claude.com/docs/en/models/overview">
     See detailed specifications and pricing for the latest Claude models
   </Card>
 
-  <Card title="What's new in Claude Opus 5" icon="sparkle" href="https://platform.claude.com/docs/en/about-claude/models/whats-new-opus-5">
+  <Card title="What's new in Claude Opus 5" icon="sparkle" href="https://platform.claude.com/docs/en/models/opus-5/whats-new-opus-5">
     Explore the latest improvements in Claude Opus 5
   </Card>
 
-  <Card title="What's new in Claude Sonnet 5" icon="sparkle" href="https://platform.claude.com/docs/en/about-claude/models/whats-new-sonnet-5">
+  <Card title="What's new in Claude Sonnet 5" icon="sparkle" href="https://platform.claude.com/docs/en/models/sonnet-5/whats-new-sonnet-5">
     The best combination of speed and intelligence
   </Card>