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Sweep 28 Aug 2026 ยท 00:00Z Build v2.1.250 478 read Stable v2.1.236 Latest v2.1.250 Next v2.1.250 Feeds RSS JSON llms.txt

DisclaimerUnofficial, and not affiliated with Anthropic. Nearly all of this is read straight out of what ships: npm bundles, captured prompts, published docs. Anthropic's own notes go in verbatim, marked as theirs. The rest is my reading, and every entry carries the strings behind it. If one looks wrong, vote it down and say why.

One change

fast-mode

build-with-claude/fast-mode

first seen The page's own history The capture it came from

Nearest release: v2.1.239, published 2 hours before this site recorded the change. Shown because the two are within 24 hours of each other. Nothing here says the release caused the edit.

build-with-claude/fast-mode Changed · +1 / -1 lines

from line 22
 * Claude Opus 4.8 (claude-opus-4-8)
 
 <Note>
-  Fast mode for Claude Opus 5 and Claude Opus 4.8 is available as a research preview on the Claude API, including [Claude Managed Agents](https://platform.claude.com/docs/en/managed-agents/overview), only. It is not available on Amazon Bedrock, Google Cloud, or Microsoft Foundry.
+  Fast mode for Claude Opus 5 and Claude Opus 4.8 is available as a research preview on the Claude API, including [Claude Managed Agents](https://platform.claude.com/docs/en/managed-agents/overview), only. It is not available on Amazon Bedrock, Claude Platform on AWS, Google Cloud, or Microsoft Foundry.
 </Note>
 
 <Note>