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Sweep 23 Oct 2026 · 21:48Z Build v2.1.310 529 read Stable v2.1.308 Latest v2.1.310 Next v2.1.310 Feeds RSS JSON llms.txt llms-full.txt Unofficial
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Documentation changes

What the docs quietly changed.

Anthropic's published documentation, fetched on a schedule and diffed against the last copy. Every edit dated, including the ones that never made a release note.

Last poll read all 4 cleanly: Claude Code CLI, Claude Developer Platform, Claude Documentation, Model Context Protocol. A date here is when this site noticed, not when Anthropic edited.

Claude Developer Platform 821pages tracked 767 changed this week · last read 24 Oct 2026 Claude Code CLI 228pages tracked 145 changed this week · last read 24 Oct 2026 Claude Documentation 280pages tracked 65 changed this week · last read 23 Oct 2026 Model Context Protocol 357pages tracked 171 changed this week · last read 23 Oct 2026

Every change

10,169 changes matching, page 58 of 102 All 97 days →
100 on this page

10,169 of the ledger's changes in api. Show every change

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29 Sep 2026 91 pages +48204 −42726 lines
api managed-agents/self-hosted-sandboxes ±changed +2−2 api managed-agents/quickstart ±changed +2−2 api get-started ±changed +2−2 api cli-sdks-libraries/sdks/java ±changed +2−2 api cli-sdks-libraries/cli/quickstart ±changed +1−1 api build-with-claude/prompt-engineering/prompting-claude-sonnet-5 ±changed +3−7 api build-with-claude/prompt-engineering/claude-prompting-best-practices ±changed +2−2 api build-with-claude/claude-platform-on-aws ±changed +4−4 api build-with-claude/claude-on-vertex-ai ±changed +4−4 api build-with-claude/claude-on-amazon-bedrock-legacy ±changed +4−4 api build-with-claude/claude-in-microsoft-foundry ±changed +4−4 api build-with-claude/claude-in-amazon-bedrock ±changed +4−4 api api/messages/create ±changed +175−163 api api/messages/count_tokens ±changed +88−80 api api/messages/batches/results ±changed +84−80 api api/messages/batches/create ±changed +91−83 api api/messages/batches ±changed +427−403 api api/messages ±changed +786−728 api api/compliance/code/artifacts/retrieve_version ±changed +5−2 api api/compliance/code/artifacts ±changed +5−2 api api/compliance/code ±changed +5−2 api api/compliance/activities/list ±changed +1965−1281 api api/compliance/activities ±changed +4047−2695 api api/compliance ±changed +1970−1283 api api/completions/create ±changed +168−160 api api/completions ±changed +252−240 api api/beta/sessions/update ±changed +70−66 api api/beta/sessions/threads/retrieve ±changed +70−66 api api/beta/sessions/threads/list ±changed +70−66 api api/beta/sessions/threads/events/stream ±changed +70−66 api api/beta/sessions/threads/events/list ±changed +70−66 api api/beta/sessions/threads/events ±changed +140−132 api api/beta/sessions/threads/archive ±changed +70−66 api api/beta/sessions/threads ±changed +4822−4794 api api/beta/sessions/retrieve ±changed +70−66 api api/beta/sessions/list ±changed +70−66 api api/beta/sessions/events/stream ±changed +70−66 api api/beta/sessions/events/list ±changed +139−67 api api/beta/sessions/events ±changed +4388−4230 api api/beta/sessions/create ±changed +1011−1003 api api/beta/sessions/archive ±changed +70−66 api api/beta/sessions ±changed +8125−7985 api api/beta/organization/mcp_tunnels/retrieve ±changed +2−2 api api/beta/organization/mcp_tunnels/list ±changed +2−2 api api/beta/organization/mcp_tunnels/archive ±changed +2−2 api api/beta/organization/mcp_tunnels ±changed +8−8 api api/beta/organization/analytics/skills/list ±changed +2−2 api api/beta/organization/analytics/skills ±changed +3−3 api api/beta/organization/analytics/retrieve_summaries ±changed +185−7 api api/beta/organization/analytics/cost/list_by_user ±changed +1−1 api api/beta/organization/analytics/cost/list ±changed +1−1 api api/beta/organization/analytics/cost ±changed +4−4 api api/beta/organization/analytics ±changed +321−11 api api/beta/organization ±changed +195−17 api api/beta/messages/create ±changed +179−165 api api/beta/messages/count_tokens ±changed +88−80 api api/beta/messages/batches/results ±changed +84−80 api api/beta/messages/batches/create ±changed +94−84 api api/beta/messages/batches ±changed +430−404 api api/beta/messages ±changed +2987−2817 api api/beta/agents/versions/list ±changed +70−66 api api/beta/agents/versions ±changed +70−66 api api/beta/agents/update ±changed +788−780 api api/beta/agents/retrieve ±changed +70−66 api api/beta/agents/list ±changed +70−66 api api/beta/agents/create ±changed +810−802 api api/beta/agents/archive ±changed +70−66 api api/beta/agents ±changed +3562−3510 api api/beta ±changed +4368−4002 api agents-and-tools/mcp-connector ±changed +4−4 api about-claude/models/choosing-a-model ±changed +0−4
28 Sep 2026 74 pages +1191 −337 lines
api release-notes/system-prompts/claude-sonnet-5 +new page +166−0 api manage-claude/access-transparency-log +new page +487−0 api release-notes/system-prompts/overview ±changed +4−0 api manage-claude/compliance-sessions ±changed +2−2 api manage-claude/compliance-faq ±changed +4−2 api manage-claude/compliance-activity-feed ±changed +2−2 api manage-claude/access-transparency ±changed +28−18 api release-notes/overview ±changed +6−0 api models/sonnet-5/whats-new-sonnet-5 ±changed +4−0 api models/sonnet-5/overview ±changed +22−13 api models/sonnet-4-6/overview ±changed +13−13 api models/sonnet-4-5/overview ±changed +13−13 api models/overview ±changed +21−21 api models/opus-5/overview ±changed +8−8 api models/opus-5-5/overview ±changed +7−7 api models/opus-4-8/overview ±changed +8−8 api models/opus-4-7/overview ±changed +8−8 api models/opus-4-6/overview ±changed +8−8 api models/opus-4-5/overview ±changed +8−8 api models/mythos-5/overview ±changed +8−8 api models/mythos-5-1/overview ±changed +8−8 api models/haiku-4-5/overview ±changed +7−7 api models/fable-5/overview ±changed +8−8 api models/fable-5-1/overview ±changed +7−7 api managed-agents/reference ±changed +3−3 api managed-agents/events-and-streaming ±changed +1−1 api intro ±changed +1−1 api home ±changed +1−1 api claude_api_primer ±changed +4−2
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