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Sweep 09 Oct 2026 · 17:27Z Build v2.1.296 517 read Stable v2.1.287 Latest v2.1.296 Next v2.1.296 Feeds RSS JSON llms.txt llms-full.txt Unofficial
One change · api

Threads changedapi/beta/sessions/threads

Nearest release: v2.1.296, published an hour 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+10added
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From line 29 where the diff opens
First seen 14 Aug 2026 this site's first read of the page
Recorded edits22to this page, all time

The whole hunk

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This page is larger than the 256 KiB this site keeps, so one side of the diff below stops where the stored text does.

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2929 
3030### Headers
3131 
32- `"anthropic-version": optional string`
33 
3234- `"anthropic-beta": optional array of AnthropicBeta`
3335 
3436 Optional header to specify the beta version(s) you want to use.
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10311033### Headers
10321034 
1035- `"anthropic-version": optional string`
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10331037- `"anthropic-beta": optional array of AnthropicBeta`
10341038 
10351039 Optional header to specify the beta version(s) you want to use.
from line 2026
20222026 
20232027### Headers
20242028 
2029- `"anthropic-version": optional string`
2030 
20252031- `"anthropic-beta": optional array of AnthropicBeta`
20262032 
20272033 Optional header to specify the beta version(s) you want to use.
from line 6461
64556461 
64566462#### Headers
64576463 
6464- `"anthropic-version": optional string`
6465 
64586466- `"anthropic-beta": optional array of AnthropicBeta`
64596467 
64606468 Optional header to specify the beta version(s) you want to use.
from line 8193
81858193 
81868194 - `BetaManagedAgentsImageBlock object`
81878195 
8188 Image content specified directly as base64 data or as a reference via a URL.
8189 
8190 - `BetaManagedAgentsDocumentBlock object`
8191 
8192 Document content, either specified directly as base64 data, as text, or as a
8196 Image content specified directly as base64 d
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