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Sweep 10 Nov 2026 · 02:18Z Build v2.1.322 539 read Stable v2.1.311 Latest v2.1.322 Next v2.1.322 Feeds RSS JSON llms.txt llms-full.txt Unofficial
HomeDocsClaude Developer Platform 10 Nov 2026
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Nearest release: v2.1.322, 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.

Recorded here
Lines+277added
Lines−1removed
From line 1,105 where the diff opens
First seen 14 Aug 2026 this site's first read of the page
Recorded edits28to this page, all time

### Available Tools Limit Exceeded Error Details ### Compaction Block Ambiguous Error Details ### Compaction Block Misplaced Error Details ### Compaction Content Mismatch Error Details ### Compaction Incomplete Turn Error Details ### Compaction Nothing To Summarize Error Details ### Compaction Signature Invalid Error Details ### Compaction Too Many Tool References Error Details ### Compaction Tool Changes Mismatch Error Details ### Compaction Unavailable Error Details ### Thread Already Continued Error Details ### Thread Continue In Flight Error Details ### Thread Fingerprint Mismatch Error Details ### Thread Not Found Error Details ### Thread Unsupported Feature Name ### Thread Unsupported Request Error Details ### Tool Name Conflict Error Details ### Tool Reference Unresolved Error Details

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from line 1105
11051105 
11061106 See [models](https://docs.anthropic.com/en/docs/models-overview) for additional details and options.
11071107 
1108 - `"claude-fable-5-2"`
1109 
1110 Built for the most ambitious work in coding, enterprise workflows, and the sciences
1111 
1112 - `"claude-mythos-5-2"`
1113 
1114 Built for the most demanding cybersecurity and life sciences research, available through verification programs
1115 
11081116 - `"claude-haiku-5-5"`
11091117 
11101118 Fastest model for high-volume, real-time tasks
from line 3968
39603968 
39613969 See [models](https://docs.anthropic.com/en/docs/models-overview) for additional details and options.
39623970 
3971 - `"claude-fable-5-2"`
3972 
3973 Built for the most ambitious work in coding, enterprise workflows, and the sciences
3974 
3975 - `"claude-mythos-5-2"`
3976 
3977 Built for the most demanding cybersecurity and life sciences research, available through verification programs
3978 
39633979 - `"claude-haiku-5-5"`
39643980 
39653981 Fastest model for high-volume, real-time tasks
from line 5657
56415657 
56425658 See [models](https://docs.anthropic.com/en/docs/models-overview) for additional details and options.
56435659 
5660 - `"claude-fable-5-2"`
5661 
5662 Built for the most ambitious work in coding, enterprise workflows, and the sciences
5663 
5664 - `"claude-mythos-5-2"`
5665 
5666 Built for the most demanding cybersecurity and life sciences research, available through verification programs
5667 
56445668 - `"claude-haiku-5-5"`
56455669 
56465670 Fastest model for high-volume, real-time tasks
from line 8209
81858209 
81868210 - `"bash_code_execution"`
81878211 
8188 - `"text_editor_code_execution"`
8189 
8190 - `"tool_search_tool_regex"`
8191 
8192 - `"tool_search_tool_bm25"`
8193 
8194 - `cache_control: optional CacheControlEphemeral or null`
8195 
8196 Create a cache control breakpoint at this content block.
8197 
8198 - `caller: optional DirectCaller or ServerToolCaller or ServerToolCaller20260120`
8199 
8200 - `DirectCaller object`
8201 
8202 Tool invocation directly from the model.
8203 
8204 - `ServerToolCaller object`
8205 
8206 Tool invocation generated by a server-side tool.
8207 
8208 - `ServerToolCaller20260120 object`
8209 
8210 - `WebSearchToolResultBlockParam object`
8211 
8212 - `type: "web_search_tool_result"`
8213 
8214 - `content: WebSearchToolResultBlockParamContent`
8215 
8216 - `WebSearchToolResultBlockItem = array of WebSearchResultBloc
8212 - `"text_editor_c
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