Sweep 22 Sep 2026 · 15:52Z Build v2.1.280 501 read Stable v2.1.267 Latest v2.1.280 Next v2.1.280 Feeds RSS JSON llms.txt Unofficial
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22 September 2026

261 pages changed, +6,376 −3,458 lines. Every source that moved, in one table, biggest edit first.

340 recorded changes in all, merged into one row per page.

Every page that moved

261 pages across 4 sources
Claude Developer Platform 161 pages · +5,419 −2,819 Claude Code CLI 76 pages · +818 −550 Claude Documentation 16 pages · +77 −38 Model Context Protocol 8 pages · +62 −51
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Claude Developer Platform 161 pages +5,419 −2,819 lines
test-and-evaluate/strengthen-guardrails/handle-streaming-refusals 1 read ±changed +8−8 test-and-evaluate/develop-tests 1 read ±changed +72−72 resources/overview 1 read ±changed +4−0 release-notes/system-prompts/overview 1 read ±changed +2−0 release-notes/overview 2 reads ±changed +10−0 models/sonnet-5/overview 1 read ±changed +3−3 models/sonnet-5/migration-guide 1 read ±changed +9−9 models/sonnet-4-6/overview 1 read ±changed +3−3 models/sonnet-4-5/overview 1 read ±changed +3−3 models/overview 1 read ±changed +24−24 models/opus-5/whats-new-opus-5 1 read ±changed +5−1 models/opus-5/overview 1 read ±changed +23−14 models/opus-4-8/overview 1 read ±changed +8−8 models/opus-4-7/overview 1 read ±changed +8−8 models/opus-4-6/overview 1 read ±changed +8−8 models/opus-4-5/overview 1 read ±changed +8−8 models/mythos-5/overview 1 read ±changed +3−3 models/mythos-5-1/overview 1 read ±changed +3−3 models/haiku-4-5/overview 1 read ±changed +3−3 models/fable-5/overview 1 read ±changed +3−3 models/fable-5-1/overview 1 read ±changed +3−3 models/fable-5-1/migration-guide 2 reads ±changed +4−4 managed-agents/tools 2 reads ±changed +33−31 managed-agents/skills 2 reads ±changed +15−13 managed-agents/sessions 2 reads ±changed +15−13 managed-agents/self-hosted-sandboxes 2 reads ±changed +12−9 managed-agents/reference 2 reads ±changed +9−7 managed-agents/quickstart 3 reads ±changed +40−25 managed-agents/permission-policies 2 reads ±changed +34−32 managed-agents/multiagent-orchestration 2 reads ±changed +25−23 managed-agents/migration 2 reads ±changed +40−38 managed-agents/memory 2 reads ±changed +4−4 managed-agents/mcp-connector 2 reads ±changed +15−13 managed-agents/github 2 reads ±changed +15−13 managed-agents/events-and-streaming 2 reads ±changed +7−5 managed-agents/environments 2 reads ±changed +9−4 managed-agents/agent-setup 2 reads ±changed +27−25 manage-claude/workspaces 1 read ±changed +9−9 manage-claude/workload-identity-federation 1 read ±changed +8−8 manage-claude/wif-providers/spiffe 1 read ±changed +11−11 manage-claude/wif-providers/okta 1 read ±changed +9−9 manage-claude/wif-providers/kubernetes 1 read ±changed +9−9 manage-claude/wif-providers/github-actions 1 read ±changed +9−9 manage-claude/wif-providers/gcp 1 read ±changed +9−9 manage-claude/wif-providers/azure 1 read ±changed +18−18 manage-claude/wif-providers/aws 1 read ±changed +18−18 manage-claude/usage-cost-api 1 read ±changed +1−1 manage-claude/rate-limits-api 1 read ±changed +2−2 manage-claude/data-residency 1 read ±changed +9−9 manage-claude/compliance-sessions 2 reads ±changed +3−3 manage-claude/compliance-content-data 1 read ±changed +2−2 manage-claude/cmek-google-cloud-kms 1 read ±changed +1−1 manage-claude/cmek-azure-key-vault 1 read ±changed +1−1 manage-claude/cmek-aws-kms 1 read ±changed +4−4 manage-claude/claude-code-analytics-api 1 read ±changed +2−2 manage-claude/authentication 1 read ±changed +10−10 intro 1 read ±changed +2−2 home 1 read ±changed +1−1 get-started 1 read ±changed +13−13 cli-sdks-libraries/sdks/typescript 1 read ±changed +18−18 cli-sdks-libraries/sdks/ruby 1 read ±changed +11−11 cli-sdks-libraries/sdks/python 1 read ±changed +19−19 cli-sdks-libraries/sdks/php 1 read ±changed +5−5 cli-sdks-libraries/sdks/java 1 read ±changed +12−12 cli-sdks-libraries/sdks/go 1 read ±changed +10−10 cli-sdks-libraries/sdks/csharp 1 read ±changed +3−3 cli-sdks-libraries/libraries/openai-sdk 1 read ±changed +6−6 cli-sdks-libraries/libraries/apple-foundation-models 1 read ±changed +2−2 cli-sdks-libraries/cli/using 1 read ±changed +13−13 cli-sdks-libraries/cli/scripting 1 read ±changed +1−1 cli-sdks-libraries/cli/quickstart 1 read ±changed +3−3 cli-sdks-libraries/cli/authentication 1 read ±changed +1−1 cli-sdks-libraries/cli/apply 1 read ±changed +5−3 claude_api_primer 1 read ±changed +22−22 build-with-claude/working-with-messages 1 read ±changed +40−40 build-with-claude/vision 1 read ±changed +36−36 build-with-claude/token-counting 2 reads ±changed +56−49 build-with-claude/thinking-troubleshooting 1 read ±changed +5−4 build-with-claude/thinking-steering-and-cost 2 reads ±changed +31−29 build-with-claude/thinking 2 reads ±changed +17−16 build-with-claude/task-budgets 2 reads ±changed +30−22 build-with-claude/structured-outputs 2 reads ±changed +96−73 build-with-claude/streaming 1 read ±changed +46−46 build-with-claude/skills-guide 1 read ±changed +117−117 build-with-claude/search-results 1 read ±changed +18−18 build-with-claude/refusals-and-fallback 1 read ±changed +1−1 build-with-claude/prompt-engineering/prompting-claude-fable-5-1 1 read ±changed +1−1 build-with-claude/prompt-engineering/claude-prompting-best-practices 1 read ±changed +22−17 build-with-claude/prompt-caching 1 read ±changed +95−88 build-with-claude/preserved-thinking 2 reads ±changed +490−32 build-with-claude/pdf-support 2 reads ±changed +66−59 build-with-claude/multilingual-support 1 read ±changed +9−9 build-with-claude/mid-conversation-system-messages 1 read ±changed +1196−26 build-with-claude/mid-conversation-effort-example 1 read ±changed +9−9 build-with-claude/handling-stop-reasons 1 read ±changed +141−141 build-with-claude/files 2 reads ±changed +29−23 build-with-claude/fast-mode 1 read ±changed +33−31 build-with-claude/fallback-credit 1 read ±changed +1−1 build-with-claude/extended-thinking 1 read ±changed +1−1 build-with-claude/effort 3 reads ±changed +50−26 build-with-claude/context-windows 1 read ±changed +1−1 build-with-claude/context-editing 1 read ±changed +82−82 build-with-claude/compaction-threshold 2 reads ±changed +148−128 build-with-claude/compaction-thinking-blocks 2 reads ±changed +24−8 build-with-claude/compaction-on-demand 2 reads ±changed +49−31 build-with-claude/compaction-keep-recent-turns 2 reads ±changed +37−21 build-with-claude/compaction-background 2 reads ±changed +34−18 build-with-claude/claude-platform-on-aws 1 read ±changed +25−24 build-with-claude/claude-on-vertex-ai 1 read ±changed +31−30 build-with-claude/claude-on-amazon-bedrock-legacy 1 read ±changed +7−7 build-with-claude/claude-in-microsoft-foundry 1 read ±changed +24−23 build-with-claude/claude-in-amazon-bedrock 1 read ±changed +15−14 build-with-claude/citations 2 reads ±changed +74−67 build-with-claude/cache-diagnostics 2 reads ±changed +46−40 build-with-claude/batch-processing 1 read ±changed +49−48 api/service-tiers 1 read ±changed +1−1 api/rate-limits 1 read ±changed +5−2 api/errors 1 read ±changed +13−3 api/beta-headers 1 read ±changed +9−9 agents-and-tools/tool-use/web-search-tool 1 read ±changed +18−18 agents-and-tools/tool-use/tool-search-tool 1 read ±changed +10−9 agents-and-tools/tool-use/tool-runner 2 reads ±changed +38−38 agents-and-tools/tool-use/text-editor-tool 1 read ±changed +39−39 agents-and-tools/tool-use/strict-tool-use 1 read ±changed +27−27 agents-and-tools/tool-use/server-tools 1 read ±changed +16−16 agents-and-tools/tool-use/programmatic-tool-calling 2 reads ±changed +46−26 agents-and-tools/tool-use/parallel-tool-use 1 read ±changed +24−24 agents-and-tools/tool-use/overview 1 read ±changed +27−26 agents-and-tools/tool-use/memory-tool 1 read ±changed +16−16 agents-and-tools/tool-use/handle-tool-calls 1 read ±changed +1−1 agents-and-tools/tool-use/fine-grained-tool-streaming 1 read ±changed +16−16 agents-and-tools/tool-use/define-tools 1 read ±changed +11−11 agents-and-tools/tool-use/computer-use-tool 2 reads ±changed +38−20 agents-and-tools/tool-use/code-execution-tool 2 reads ±changed +72−51 agents-and-tools/tool-use/build-a-tool-using-agent 1 read ±changed +74−74 agents-and-tools/tool-use/browser-use-tool 2 reads ±changed +30−15 agents-and-tools/tool-use/bash-tool 1 read ±changed +19−19 agents-and-tools/mcp-tunnels/overview 1 read ±changed +9−9 agents-and-tools/mcp-connector 2 reads ±changed +619−46 agents-and-tools/agent-skills/quickstart 1 read ±changed +36−36 agents-and-tools/agent-skills/claude-api-skill 1 read ±changed +7−7 about-claude/use-case-guides/legal-summarization 1 read ±changed +2−2 about-claude/use-case-guides/customer-support-chat 1 read ±changed +1−1 about-claude/pricing 1 read ±changed +17−9 about-claude/models/optimizing-for-cost-and-intelligence 2 reads ±changed +14−14 about-claude/models/choosing-a-model 1 read ±changed +12−8 about-claude/model-deprecations 1 read ±changed +1−0 managed-agents/webhooks 1 read ±changed +6−4 managed-agents/vaults 1 read ±changed +6−4 managed-agents/session-operations 1 read ±changed +6−4 managed-agents/self-hosted-sandboxes-security 1 read ±changed +6−4 managed-agents/scheduled-deployments 1 read ±changed +6−4 managed-agents/overview 1 read ±changed +6−4 managed-agents/onboarding 1 read ±changed +6−4 managed-agents/files 1 read ±changed +6−4 managed-agents/define-outcomes 1 read ±changed +6−4 managed-agents/cloud-sandboxes-reference 1 read ±changed +6−4 managed-agents/budgets 1 read ±changed +6−4 manage-claude/inference-hooks 1 read ±changed +2−0 manage-claude/compliance-faq 1 read ±changed +1−1 build-with-claude/overview 1 read ±changed +1−1
Claude Code CLI 76 pages +818 −550 lines
sub-agents 3 reads ±changed +18−8 statusline 3 reads ±changed +4−4 settings-reference 3 reads ±changed +45−33 settings-example 1 read ±changed +7−3 prompt-caching 1 read ±changed +1−1 model-config 2 reads ±changed +44−46 interactive-mode 2 reads ±changed +9−1 google-vertex-ai 1 read ±changed +3−3 github-actions 1 read ±changed +1−1 fast-mode 1 read ±changed +4−3 errors 2 reads ±changed +146−7 env-vars 2 reads ±changed +5−3 desktop 2 reads ±changed +2−2 costs 2 reads ±changed +3−3 communications-kit 2 reads ±changed +10−10 commands 3 reads ±changed +5−4 claude-platform-on-aws 1 read ±changed +1−1 claude-code-on-the-web 1 read ±changed +1−1 amazon-bedrock 1 read ±changed +8−8 agent-sdk/typescript 3 reads ±changed +70−87 agent-sdk/python 3 reads ±changed +23−41 advisor 2 reads ±changed +16−14 vs-code 4 reads ±changed +59−19 slack 1 read ±changed +1−1 skills 2 reads ±changed +7−3 self-hosted-environments-reference 1 read ±changed +1−1 self-hosted-environments-deploy 2 reads ±changed +5−5 quickstart 2 reads ±changed +7−6 plugins-reference 2 reads ±changed +11−4 plugin-marketplaces 1 read ±changed +9−9 overview 2 reads ±changed +7−6 common-workflows 1 read ±changed +1−1 chrome 1 read ±changed +1−1 agent-sdk/user-input 1 read ±changed +7−7 agent-sdk/subagents 2 reads ±changed +2−2 agent-sdk/quickstart 1 read ±changed +1−1 agent-sdk/custom-tools 1 read ±changed +1−1 agent-sdk/claude-code-features 1 read ±changed +1−1 third-party-integrations 1 read ±changed +3−3 prompt-library 1 read ±changed +1−1 permissions 2 reads ±changed +3−11 permission-modes 2 reads ±changed +16−3 memory 2 reads ±changed +4−2 managed-settings 1 read ±changed +1−0 how-claude-code-works 1 read ±changed +3−3 headless 1 read ±changed +2−2 features-overview 1 read ±changed +1−1 context-window 2 reads ±changed +3−2 cli-reference 1 read ±changed +83−81 authentication 1 read ±changed +2−2 agent-teams 1 read ±changed +0−4 agent-sdk/modifying-system-prompts 1 read ±changed +5−1 agent-sdk/cost-tracking 1 read ±changed +19−9 agent-sdk/configuration 1 read ±changed +3−1 admin-setup 1 read ±changed +1−1 terminal-config 2 reads ±changed +16−8 monitoring-usage 1 read ±changed +3−2 hooks 2 reads ±changed +6−2 discover-plugins 2 reads ±changed +3−3 claude-directory 1 read ±changed +6−6 worktrees 1 read ±changed +11−6 workflows 1 read ±changed +4−2 ultrareview 1 read ±changed +10−3 troubleshooting 1 read ±changed +5−1 troubleshoot-install 1 read ±changed +3−3 sessions 1 read ±changed +7−1 security-guidance 1 read ±changed +4−4 sandboxing 1 read ±changed +12−6 plugin-evals 1 read ±changed +3−1 llm-gateway-rollout 1 read ±changed +1−0 large-codebases 1 read ±changed +1−1 keybindings 1 read ±changed +4−0 desktop-linux 1 read ±changed +1−1 cloud-environments 1 read ±changed +2−2 claude-projects 1 read ±changed +12−12 artifacts 1 read ±changed +7−7
Claude Documentation 16 pages +77 −38 lines
third-party/claude-desktop/telemetry 1 read ±changed +2−2 claude-science/connectors-and-skills 1 read ±changed +18−18 claude-science/changelog 1 read ±changed +14−0 claude-science/artifacts 1 read ±changed +1−1 government/config/settings 1 read ±changed +2−2 third-party/claude-desktop/installation 1 read ±changed +12−0 government/deploy-desktop/configure 1 read ±changed +2−0 government/desktop/skills 1 read ±changed +1−1 government/config/plugins-and-connectors 1 read ±changed +1−1 claude-tag/admins/federated-access/troubleshooting 1 read ±changed +5−5 claude-tag/admins/federated-access/gcp 1 read ±changed +1−1 claude-tag/admins/federated-access/connect-a-gateway 1 read ±changed +1−1 claude-tag/admins/federated-access/aws 1 read ±changed +1−1 claude-tag/admins/federated-access/authorization-server 1 read ±changed +1−1 claude-tag/admins/restrict-access 1 read ±changed +4−4 claude-tag/admins/configure-github 1 read ±changed +11−0
Model Context Protocol 8 pages +62 −51 lines
community/contributing 1 read ±changed +52−42 specification/draft/server/resources 1 read ±changed +1−1 specification/2026-07-28/server/resources 1 read ±changed +1−1 specification/2025-06-18/server/tools 1 read ±changed +1−2 seps/1330-elicitation-enum-schema-improvements-and-standards 1 read ±changed +2−2 community/interest-groups/financial-services 1 read ±changed +1−1 specification/draft/basic/authorization/client-registration 1 read ±changed +2−2 community/working-groups/skills-over-mcp 1 read ±changed +2−0