Sweep 22 Sep 2026 · 17:19Z Build v2.1.280 501 read Stable v2.1.267 Latest v2.1.280 Next v2.1.280 Feeds RSS JSON llms.txt Unofficial
One change · api

overview changed

build-with-claude/overview

Nearest release: v2.1.280, published 15 hours after this site recorded the change. Shown because the two are within 24 hours of each other. Nothing here says the release caused the edit.

Recorded here
Lines+1added
Lines−1removed
From line 94 where the diff opens
First seen 14 Aug 2026 this site's first read of the page
Recorded edits9to this page, all time

The whole hunk

from line 94, old and new numbered
/
lines
from line 94
9494 
9595| Feature | Description | ZDR | Availability |
9696| ------------------------------------------------------------------------------------------------------------------ | ----------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------- | ------------ | ------------------------------------------------------------------------------------------------- |
97| [Compaction](https://platform.claude.com/docs/en/build-with-claude/compaction) | Server-side context summarization for long-running conversations. When context approaches the window limit, the API automatically summarizes earlier parts of the conversation. | ZDR eligible | <PlatformAvailability claudeApiBeta claudePlatformAwsBeta bedrockBeta vertexAiBeta azureAiBeta /> |
97| [Compaction at a token threshold](https://platform.claude.com/docs/en/build-with-claude/compaction-threshold) | Server-side context summarization for long-running conversations. When input tokens reach the trigger threshold, the API automatically summarizes earlier parts of the conversation. | ZDR eligible | <PlatformAvailability claudeApiBeta claudePlatformAwsBeta bedrockBeta vertexAiBeta azureAiBeta /> |
9898| [Context editing](https://platform.claude.com/docs/en/build-with-claude/context-editing) | Automatically manage conversation context with configurable strategies. Supports clearing tool results when approaching token limits and managing thinking blocks in extended thinking conversations. | ZDR eligible | <PlatformAvailability claudeApiBeta claudePlatformAwsBeta bedrockBeta vertexAiBeta azureAiBeta /> |
9999| [Automatic prompt caching](https://platform.claude.com/docs/en/build-with-claude/prompt-caching#automatic-caching) | Simplify prompt caching to a single API parameter. The system automatically caches the last cacheable block in your request, moving the cache point forward as conversations grow. | ZDR eligible | <PlatformAvailability claudeApi claudePlatformAws bedrock vertexAi azureAi /> |
100100| [Prompt caching (5m)](https://platform.claude.com/docs/en/build-with-claude/prompt-caching) | Provide Claude with more background knowledge and example outputs to reduce costs and latency. | ZDR eligible | <PlatformAvailability claudeApi claudePlatformAws bedrock vertexAi azureAi /> |