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Sweep 06 Nov 2026 · 01:32Z Build v2.1.319 537 read Stable v2.1.311 Latest v2.1.319 Next v2.1.319 Feeds RSS JSON llms.txt llms-full.txt Unofficial
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What has changed since

An entry is only as true as the day it was written.

Flags move on the server after a release ships. Anthropic's own notes land days later and their documentation later still. Sometimes an entry turns out to be wrong and gets corrected by hand. All of that is recorded against the entry it happened to, and this is the whole of it in the order it happened.

Nothing here replaces an entry. Every line links to the page its release published, still saying what that release said, because a correction is added and dated rather than swapped in.

Events22,646dated, and never edited afterwards
Newestthe last time anything moved
Flag readings moved17,288a reading is one sample, for one account
Documentation arrived5,248a docs edit touched an entry's names
WhenEntryWhat happened
v2.1.290/effort Documentation arrivedA small documentation edit on Models overview touched a line naming /effort after this was published.
the line in the docs

Each model's `capabilities` object includes `thinking.types.disabled`, which reports whether the model accepts `thinking: {type: "disabled"}`, the setting that [turns thinking off](https://platform.claude.com/docs/en/build-with-claude/thin…
v2.1.284allowed_domains Documentation arrivedA small documentation edit on server-tools touched a line naming allowed_domains after this was published.
the line in the docs

[Claude Managed Agents](https://platform.claude.com/docs/en/managed-agents/overview) uses the same `allowed_domains` and `blocked_domains` fields on the `web_search` and `web_fetch` entries of the agent toolset. On Managed Agents, each lis…
v2.1.265advisor_tool Documentation arrivedA small documentation edit on advisor-tool touched a line naming advisor_tool after this was published.
the line in the docs

accDescr: Your application sends a request with the advisor tool to the executor model, which begins the task. The executor emits a server_tool_use block, and Anthropic runs the advisor model server-side. The advisor reads the full transcr…
v2.1.251tengu_bridge_subagent_frames Flag reading movedThe flag server now returns off for tengu_bridge_subagent_frames, read as this account.
v2.1.283tengu_sleepy_shore Flag reading movedThe flag server now returns {"enabled":true} for tengu_sleepy_shore, read as this account.
v2.1.282tengu_sleepy_shore Flag reading movedThe flag server now returns {"enabled":true} for tengu_sleepy_shore, read as this account.
v2.1.282tengu_sleepy_shore Flag reading movedThe flag server now returns {"enabled":true} for tengu_sleepy_shore, read as this account.
v2.1.282tengu_sleepy_shore Flag reading movedThe flag server now returns {"enabled":true} for tengu_sleepy_shore, read as this account.
v2.1.274onLinkPress Documentation arrivedAnthropic's documentation has since written up onLinkPress, on Mods reference.
the line in the docs

| `Markdown` | `text`, `key`, `dimColor`, `onLinkPress`, `pressableLinks` | ✓ | ✓ |
v2.1.274onLinkPress Documentation arrivedAnthropic's documentation has since written up onLinkPress, on Mods reference.
the line in the docs

| `Markdown` | `text`, `key`, `dimColor`, `onLinkPress`, `pressableLinks` | ✓ | ✓ |
v2.1.274pressableLinks Documentation arrivedAnthropic's documentation has since written up pressableLinks, on Mods reference.
the line in the docs

| `Markdown` | `text`, `key`, `dimColor`, `onLinkPress`, `pressableLinks` | ✓ | ✓ |
v2.1.274pressableLinks Documentation arrivedAnthropic's documentation has since written up pressableLinks, on Mods reference.
the line in the docs

| `Markdown` | `text`, `key`, `dimColor`, `onLinkPress`, `pressableLinks` | ✓ | ✓ |
v2.1.274dimColor Documentation arrivedAnthropic's documentation has since written up dimColor, on Mods reference.
the line in the docs

| `Markdown` | `text`, `key`, `dimColor`, `onLinkPress`, `pressableLinks` | ✓ | ✓ |
v2.1.271dimColor Documentation arrivedAnthropic's documentation has since written up dimColor, on Mods reference.
the line in the docs

| `Markdown` | `text`, `key`, `dimColor`, `onLinkPress`, `pressableLinks` | ✓ | ✓ |
v2.1.290/plugin Documentation arrivedAnthropic's documentation has since written up /plugin, on Mods reference.
the line in the docs

Look up any event a [mod](/docs/en/plugins/mods/overview) can handle, mods API method it can call, or render site it can draw in, for the Claude Code CLI and the Desktop app as of v2.1.290. Each entry gives the name and a one-line descript…
v2.1.290/plugin Documentation arrivedAnthropic's documentation has since written up /plugin, on Mods reference.
the line in the docs

Look up any event a [mod](/docs/en/plugins/mods/overview) can handle, mods API method it can call, or render site it can draw in, for the Claude Code CLI and the Desktop app as of v2.1.290. Each entry gives the name and a one-line descript…
v2.1.287claude plugin install Documentation arrivedA small documentation edit on Install and manage plugins touched a line naming claude plugin install after this was published.
the line in the docs

For the other `claude plugin install` flags, see [plugin install](/docs/en/plugins/cli-reference#plugin-install).
v2.1.290/plugin Documentation arrivedA small documentation edit on Plugin commands reference touched a line naming /plugin after this was published.
the line in the docs

> Reference for the claude plugin shell commands, /plugin and /reload-plugins in a session, and the flags that load a plugin for one session.
v2.1.290/plugin Documentation arrivedA small documentation edit on Plugin commands reference touched a line naming /plugin after this was published.
the line in the docs

> Reference for the claude plugin shell commands, /plugin and /reload-plugins in a session, and the flags that load a plugin for one session.
v2.1.288tengu_cobalt_plinth_orpine Flag reading movedThe flag server now returns nothing at all, having stopped carrying it for tengu_cobalt_plinth_orpine, read as this account.
v2.1.251tengu_bridge_subagent_frames Flag reading movedThe flag server now returns on for tengu_bridge_subagent_frames, read as this account.
v2.1.288tengu_cobalt_plinth_orpine Flag reading movedThe flag server now returns off for tengu_cobalt_plinth_orpine, read as this account.
v2.1.290claude plugin test Documentation arrivedAnthropic's documentation has since written up claude plugin test, on Claude Code changelog.
the line in the docs

* Changed `claude plugin test`: a failed `expect` inside a hook the test registered, or a stub answer the engine refuses, now fails the test instead of passing silently
v2.1.281/focus Documentation arrivedAnthropic's documentation has since written up /focus, on Claude Code changelog.
the line in the docs

* Improved the /focus tip: it now invites you to try focus view mid-turn and shows how to switch back
v2.1.281/focus Documentation arrivedAnthropic's documentation has since written up /focus, on Claude Code changelog.
the line in the docs

* Improved the /focus tip: it now invites you to try focus view mid-turn and shows how to switch back
v2.1.269config.set Documentation arrivedAnthropic's documentation has since written up config.set, on Claude Code changelog.
the line in the docs

* Fixed a mod's `config.set`, `state.set`, `env.set` or `agent.spawn` hook that denies after calling `next(e)` being answered as a refusal: the hook is now reported as failed, by name
v2.1.269config.set Documentation arrivedAnthropic's documentation has since written up config.set, on Claude Code changelog.
the line in the docs

* Fixed a mod's `config.set`, `state.set`, `env.set` or `agent.spawn` hook that denies after calling `next(e)` being answered as a refusal: the hook is now reported as failed, by name
v2.1.267env.set Documentation arrivedAnthropic's documentation has since written up env.set, on Claude Code changelog.
the line in the docs

* Fixed a mod's `config.set`, `state.set`, `env.set` or `agent.spawn` hook that denies after calling `next(e)` being answered as a refusal: the hook is now reported as failed, by name
v2.1.290--resume Documentation arrivedAnthropic's documentation has since written up --resume, on Claude Code changelog.
the line in the docs

* Fixed plan mode not being restored when resuming a session from the `claude --resume` session picker or with `/resume`
v2.1.290--resume Documentation arrivedAnthropic's documentation has since written up --resume, on Claude Code changelog.
the line in the docs

* Fixed plan mode not being restored when resuming a session from the `claude --resume` session picker or with `/resume`
v2.1.290--resume Documentation arrivedAnthropic's documentation has since written up --resume, on Claude Code changelog.
the line in the docs

* Fixed plan mode not being restored when resuming a session from the `claude --resume` session picker or with `/resume`
v2.1.290PreToolUse Documentation arrivedAnthropic's documentation has since written up PreToolUse, on Claude Code changelog.
the line in the docs

* Security: Fixed PreToolUse hook approvals and auto mode bypassing the permission prompt for file reads from network (UNC) paths
v2.1.289agent.spawn Documentation arrivedAnthropic's documentation has since written up agent.spawn, on Claude Code changelog.
the line in the docs

* Added workflow agents to the `agent.spawn` mod hook, with their run and index, so a mod can refuse them
v2.1.284model.complete Documentation arrivedAnthropic's documentation has since written up model.complete, on Claude Code changelog.
the line in the docs

* Added prompt caching to `$.model.complete` for mods: `prompt` and `system` take blocks of text, and `cache: true` on a block caches the request up to it
v2.1.206tengu_umber_kestrel Flag reading movedThe flag server now returns off for tengu_umber_kestrel, read as this account.
v2.1.239tengu_toasty_breeze Flag reading movedThe flag server now returns {"enabled":false,"version":0} for tengu_toasty_breeze, read as this account.
v2.1.239tengu_toasty_breeze Flag reading movedThe flag server now returns {"enabled":false,"version":0} for tengu_toasty_breeze, read as this account.
v2.1.282tengu_smooth_chipmunk Flag reading movedThe flag server now returns off for tengu_smooth_chipmunk, read as this account.
v2.1.281tengu_smooth_chipmunk Flag reading movedThe flag server now returns off for tengu_smooth_chipmunk, read as this account.
v2.1.281tengu_smooth_chipmunk Flag reading movedThe flag server now returns off for tengu_smooth_chipmunk, read as this account.
v2.1.269tengu_smooth_chipmunk Flag reading movedThe flag server now returns off for tengu_smooth_chipmunk, read as this account.
v2.1.261tengu_smooth_chipmunk Flag reading movedThe flag server now returns off for tengu_smooth_chipmunk, read as this account.
v2.1.261tengu_smooth_chipmunk Flag reading movedThe flag server now returns off for tengu_smooth_chipmunk, read as this account.
v2.1.273tengu_quiet_dolphin Flag reading movedThe flag server now returns off for tengu_quiet_dolphin, read as this account.
v2.1.248tengu_nifty_lemur Flag reading movedThe flag server now returns {"enabled":false,"version":0} for tengu_nifty_lemur, read as this account.
v2.1.248tengu_nifty_lemur Flag reading movedThe flag server now returns {"enabled":false,"version":0} for tengu_nifty_lemur, read as this account.
v2.1.284tengu_lantern_wick_text Flag reading movedThe flag server now returns null for tengu_lantern_wick_text, read as this account.
v2.1.223tengu_juniper_relay Flag reading movedThe flag server now returns off for tengu_juniper_relay, read as this account.
v2.1.251tengu_juniper_relay Flag reading movedThe flag server now returns off for tengu_juniper_relay, read as this account.
v2.1.265tengu_curious_tower_stateless_models Flag reading movedThe flag server now returns "fable-5-1, opus-5, opus-4-8" for tengu_curious_tower_stateless_models, read as this account.
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