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
Writing the changelog v2.1.280 merge candidates · 1/5 waiting for the next tick
One day

31 August 2026

113 pages changed, +1,550 −536 lines. Every source that moved, in one table, biggest edit first.

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

Every page that moved

113 pages across 4 sources
Claude Developer Platform 58 pages · +132 −171 Claude Code CLI 46 pages · +592 −347 Claude Documentation 8 pages · +825 −17 Model Context Protocol 1 page · +1 −1
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Claude Developer Platform 58 pages +132 −171 lines
release-notes/overview 1 read ±changed +1−1 models/sonnet-5/migration-guide 1 read ±changed +1−1 models/overview 1 read ±changed +1−1 models/haiku-4-5/migration-guide 1 read ±changed +1−1 models/fable-5/migration-guide 1 read ±changed +1−1 managed-agents/memory 1 read ±changed +1−1 managed-agents/budgets 1 read ±changed +1−1 manage-claude/inference-hooks-endpoint 1 read ±changed +4−2 manage-claude/inference-hooks-configuration 1 read ±changed +7−3 manage-claude/inference-hooks 1 read ±changed +5−5 manage-claude/data-residency 1 read ±changed +1−1 manage-claude/compliance-sessions 1 read ±changed +2−2 manage-claude/compliance-integration-patterns 1 read ±changed +1−1 manage-claude/compliance-faq 1 read ±changed +3−3 manage-claude/compliance-content-data 1 read ±changed +1−1 manage-claude/compliance-api-access 1 read ±changed +9−9 manage-claude/compliance-api 1 read ±changed +1−1 manage-claude/cmek-aws-kms 1 read ±changed +3−3 manage-claude/api-and-data-retention 1 read ±changed +1−1 manage-claude/admin-api-keys 1 read ±changed +14−14 cli-sdks-libraries/cli/using 1 read ±changed +1−1 build-with-claude/working-with-messages 1 read ±changed +1−1 build-with-claude/token-counting 1 read ±changed +3−3 build-with-claude/thinking-troubleshooting 1 read ±changed +2−2 build-with-claude/thinking-tool-workflows 1 read ±changed +1−1 build-with-claude/thinking-steering-and-cost 1 read ±changed +2−2 build-with-claude/thinking 1 read ±changed +3−3 build-with-claude/structured-outputs 1 read ±changed +1−1 build-with-claude/skills-guide 1 read ±changed +2−2 build-with-claude/search-results 1 read ±changed +1−1 build-with-claude/prompt-engineering/claude-prompting-best-practices 1 read ±changed +1−1 build-with-claude/prompt-caching 1 read ±changed +1−1 build-with-claude/mid-conversation-system-messages 1 read ±changed +1−1 build-with-claude/files 1 read ±changed +1−1 build-with-claude/fast-mode 1 read ±changed +1−1 build-with-claude/extended-thinking 1 read ±changed +2−2 build-with-claude/effort 1 read ±changed +1−1 build-with-claude/context-editing 1 read ±changed +1−1 build-with-claude/claude-on-amazon-bedrock-legacy 1 read ±changed +2−2 build-with-claude/batch-processing 1 read ±changed +1−1 api/claude-code/routines-fire 1 read ±changed +1−1 agents-and-tools/tool-use/web-search-tool 1 read ±changed +2−2 agents-and-tools/tool-use/web-fetch-tool 1 read ±changed +2−2 agents-and-tools/tool-use/tool-search-tool 1 read ±changed +2−2 agents-and-tools/tool-use/tool-reference 1 read ±changed +2−2 agents-and-tools/tool-use/text-editor-tool 1 read ±changed +1−1 agents-and-tools/tool-use/programmatic-tool-calling 1 read ±changed +9−26 agents-and-tools/tool-use/overview 1 read ±changed +1−1 agents-and-tools/tool-use/memory-tool 1 read ±changed +1−1 agents-and-tools/tool-use/fine-grained-tool-streaming 1 read ±changed +1−1 agents-and-tools/tool-use/computer-use-tool 1 read ±changed +1−1 agents-and-tools/tool-use/code-execution-tool 1 read ±changed +15−43 agents-and-tools/tool-use/bash-tool 1 read ±changed +1−1 agents-and-tools/tool-use/advisor-tool 1 read ±changed +1−1 agents-and-tools/mcp-connector 1 read ±changed +1−1 agents-and-tools/agent-skills/quickstart 1 read ±changed +1−1 agents-and-tools/agent-skills/overview 1 read ±changed +1−1 agents-and-tools/agent-skills/enterprise 1 read ±changed +1−1
Claude Code CLI 46 pages +592 −347 lines
agent-sdk/subagents 3 reads ±changed +41−49 changelog 1 read ±changed +7−0 sub-agents 3 reads ±changed +23−20 monitoring-usage 2 reads ±changed +17−3 hooks 2 reads ±changed +2−2 gateways 2 reads ±changed +4−2 env-vars 4 reads ±changed +13−9 claude-apps-gateway-deploy 2 reads ±changed +3−3 agent-teams 2 reads ±changed +9−7 agent-sdk/typescript 3 reads ±changed +120−114 agent-sdk/observability 2 reads ±changed +2−2 quickstart 1 read ±changed +5−5 workflows 2 reads ±changed +5−1 troubleshoot-install 1 read ±changed +25−1 third-party-integrations 1 read ±changed +1−1 settings-reference 4 reads ±changed +66−23 self-hosted-environments-testing 1 read ±changed +4−2 plugins-reference 1 read ±changed +1−1 model-config 3 reads ±changed +31−21 mcp 1 read ±changed +5−3 feature-availability 1 read ±changed +1−1 errors 2 reads ±changed +14−9 debug-your-config 1 read ±changed +1−2 claude-apps-gateway 2 reads ±changed +10−8 authentication 2 reads ±changed +36−7 agent-sdk/python 1 read ±changed +15−15 whats-new/2026-w34 1 read ±changed +1−1 terminal-config 2 reads ±changed +2−2 commands 1 read ±changed +1−0 claude-security 1 read ±changed +4−2 artifacts 2 reads ±changed +28−8 agent-view 2 reads ±changed +2−2 agent-sdk/modifying-system-prompts 1 read ±changed +38−1 agent-sdk/mcp 1 read ±changed +6−4 agent-sdk/hosting 1 read ±changed +29−5 skills 1 read ±changed +1−1 memory 1 read ±changed +2−0 managed-settings 1 read ±changed +3−1 llm-gateway-connect 1 read ±changed +3−1 headless 1 read ±changed +1−1 features-overview 1 read ±changed +1−1 fast-mode 1 read ±changed +3−1 settings-example 1 read ±changed +1−1 cli-reference 1 read ±changed +1−1 tools-reference 1 read ±changed +1−1 cloud-environments 1 read ±changed +3−2
Claude Documentation 8 pages +825 −17 lines
third-party/claude-desktop/extensions 1 read ±changed +38−2 third-party/claude-desktop/configuration 2 reads ±changed +14−14 connectors/mcp-tunnels/troubleshooting 1 read +new page +131−0 connectors/mcp-tunnels/setup 1 read +new page +425−0 connectors/mcp-tunnels/overview 1 read +new page +108−0 connectors/mcp-tunnels/oauth 1 read +new page +77−0 third-party/claude-desktop/gateway 1 read ±changed +1−1 government/changelog 1 read +new page +31−0
Model Context Protocol 1 page +1 −1 lines
seps/2549-TTL-for-list-results 1 read ±changed +1−1