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Sweep 22 Oct 2026 · 21:04Z Build v2.1.309 528 read Stable v2.1.308 Latest v2.1.309 Next v2.1.309 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 774 changed this week · last read 23 Oct 2026 Claude Code CLI 228pages tracked 148 changed this week · last read 23 Oct 2026 Claude Documentation 280pages tracked 81 changed this week · last read 23 Oct 2026 Model Context Protocol 357pages tracked 171 changed this week · last read 23 Oct 2026

Every change

10,119 changes matching, page 66 of 102 All 96 days →
100 on this page

10,119 of the ledger's changes in api. Show every change

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22 Sep 2026 161 pages +5419 −2819 lines
api models/opus-5/whats-new-opus-5 ±changed +5−1 api models/opus-5/overview ±changed +23−14 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 +3−3 api models/mythos-5-1/overview ±changed +3−3 api models/haiku-4-5/overview ±changed +3−3 api models/fable-5/overview ±changed +3−3 api models/fable-5-1/overview ±changed +3−3 api models/fable-5-1/migration-guide ±changed +3−3 api managed-agents/tools ±changed +27−27 api managed-agents/skills ±changed +9−9 api managed-agents/sessions ±changed +9−9 api managed-agents/self-hosted-sandboxes ±changed +6−5 api managed-agents/reference ±changed +3−3 api managed-agents/quickstart ±changed +12−11 api managed-agents/permission-policies ±changed +28−28 api managed-agents/multiagent-orchestration ±changed +19−19 api managed-agents/migration ±changed +34−34 api managed-agents/memory ±changed +1−0 api managed-agents/mcp-connector ±changed +9−9 api managed-agents/github ±changed +9−9 api managed-agents/events-and-streaming ±changed +1−1 api managed-agents/environments ±changed +3−0 api managed-agents/agent-setup ±changed +21−21 api manage-claude/workspaces ±changed +9−9 api manage-claude/workload-identity-federation ±changed +8−8 api manage-claude/wif-providers/spiffe ±changed +11−11 api manage-claude/wif-providers/okta ±changed +9−9 api manage-claude/wif-providers/kubernetes ±changed +9−9 api manage-claude/wif-providers/github-actions ±changed +9−9 api manage-claude/wif-providers/gcp ±changed +9−9 api manage-claude/wif-providers/azure ±changed +18−18 api manage-claude/wif-providers/aws ±changed +18−18 api manage-claude/usage-cost-api ±changed +1−1 api manage-claude/rate-limits-api ±changed +2−2 api manage-claude/data-residency ±changed +9−9 api manage-claude/compliance-sessions ±changed +2−2 api manage-claude/compliance-content-data ±changed +2−2 api manage-claude/cmek-google-cloud-kms ±changed +1−1 api manage-claude/cmek-azure-key-vault ±changed +1−1 api manage-claude/cmek-aws-kms ±changed +4−4 api manage-claude/claude-code-analytics-api ±changed +2−2 api manage-claude/authentication ±changed +10−10 api intro ±changed +2−2 api home ±changed +1−1 api get-started ±changed +13−13 api cli-sdks-libraries/sdks/typescript ±changed +18−18 api cli-sdks-libraries/sdks/ruby ±changed +11−11 api cli-sdks-libraries/sdks/python ±changed +19−19 api cli-sdks-libraries/sdks/php ±changed +5−5 api cli-sdks-libraries/sdks/java ±changed +12−12 api cli-sdks-libraries/sdks/go ±changed +10−10 api cli-sdks-libraries/sdks/csharp ±changed +3−3 api cli-sdks-libraries/libraries/openai-sdk ±changed +6−6 api cli-sdks-libraries/libraries/apple-foundation-models ±changed +2−2 api cli-sdks-libraries/cli/using ±changed +13−13 api cli-sdks-libraries/cli/scripting ±changed +1−1 api cli-sdks-libraries/cli/quickstart ±changed +3−3 api cli-sdks-libraries/cli/authentication ±changed +1−1 api cli-sdks-libraries/cli/apply ±changed +5−3 api claude_api_primer ±changed +22−22 api build-with-claude/working-with-messages ±changed +40−40 api build-with-claude/vision ±changed +36−36 api build-with-claude/token-counting ±changed +45−45 api build-with-claude/thinking-troubleshooting ±changed +5−4 api build-with-claude/thinking-steering-and-cost ±changed +22−22 api build-with-claude/thinking ±changed +16−15 api build-with-claude/task-budgets ±changed +19−17 api build-with-claude/structured-outputs ±changed +68−67 api build-with-claude/streaming ±changed +46−46 api build-with-claude/skills-guide ±changed +117−117 api build-with-claude/search-results ±changed +18−18 api build-with-claude/refusals-and-fallback ±changed +1−1 api build-with-claude/prompt-engineering/prompting-claude-fable-5-1 ±changed +1−1 api build-with-claude/prompt-engineering/claude-prompting-best-practices ±changed +22−17 api build-with-claude/prompt-caching ±changed +95−88 api build-with-claude/preserved-thinking ±changed +62−23 api build-with-claude/pdf-support ±changed +55−55 api build-with-claude/multilingual-support ±changed +9−9 api build-with-claude/mid-conversation-system-messages ±changed +1196−26 api build-with-claude/mid-conversation-effort-example ±changed +9−9 api build-with-claude/handling-stop-reasons ±changed +141−141 api build-with-claude/files ±changed +18−18 api build-with-claude/fast-mode ±changed +33−31 api build-with-claude/fallback-credit ±changed +1−1 api build-with-claude/extended-thinking ±changed +1−1 api build-with-claude/effort ±changed +25−20 api build-with-claude/context-windows ±changed +1−1 api build-with-claude/context-editing ±changed +82−82 api build-with-claude/compaction-threshold ±changed +122−121 api build-with-claude/compaction-thinking-blocks ±changed +2−1 api build-with-claude/compaction-on-demand ±changed +26−25 api build-with-claude/compaction-keep-recent-turns ±changed +16−15 api build-with-claude/compaction-background ±changed +13−12 api build-with-claude/claude-platform-on-aws ±changed +25−24 api build-with-claude/claude-on-vertex-ai ±changed +31−30 api build-with-claude/claude-on-amazon-bedrock-legacy ±changed +7−7
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