overview changedrelease-notes/overview
Nearest release: v2.1.315, published under an hour 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+7added
Lines−3removed
From line
12
where the diff opens
First seen
14 Aug 2026
this site's first read of the page
Recorded edits66to this page, all time
### October 30, 2026
The whole hunk
from line 12, old and new numbered
/
from line 12
1212 For updates to Claude Code, see the [complete CHANGELOG.md](https://github.com/anthropics/claude-code/blob/main/CHANGELOG.md) in the `claude-code` repository.
1313</Tip>
1414
15### October 30, 2026
16
17* We’ve deprecated [fast mode](https://platform.claude.com/docs/en/build-with-claude/fast-mode) for Claude Opus 4.8, with removal on November 30, 2026. After removal, requests to `claude-opus-4-8` with `speed: "fast"` will return an error. To continue using fast mode, migrate to [Claude Opus 5.5](https://platform.claude.com/docs/en/models/opus-5-5/migration-guide#migrating-from-claude-opus-4-8). Read more in [Fast mode](https://platform.claude.com/docs/en/build-with-claude/fast-mode#supported-models).
18
1519### October 29, 2026
1620
1721* We’ve launched the [Usage and Cost Analytics API](https://platform.claude.com/docs/en/manage-claude/usage-cost-analytics-api) in beta with the `analytics-usage-cost-2026-08-24` beta header. Its `/v1/organizations/analytics/usage` and `/v1/organizations/analytics/cost` endpoints report token usage and cost for Claude Console and Claude Enterprise organizations. You can filter and group results by dimensions such as model, workspace, API key, and the user or service account behind each request.
from line 632
628632
629633### August 5, 2025
630634
631* We’ve launched [Claude Opus 4.1](https://www.anthropic.com/news/claude-opus-4-1), an incremental update to Claude Opus 4 with enhanced capabilities and performance improvements.\* Learn more in [Models overview](https://platform.claude.com/docs/en/models/overview).
635* We’ve launched [Claude Opus 4.1](https://www.anthropic.com/news/claude-opus-4-1), an incremental update to Claude Opus 4 with enhanced capabilities and performance improvements.<sup>\*</sup> Learn more in [Models overview](https://platform.claude.com/docs/en/models/overview).
632636
633*\*Opus 4.1 does not allow both `temperature` and `top_p` parameters to be specified. Please use only one.*
637*<sup>\*Opus 4.1 does not allow both `temperature` and `top_p` parameters to be specified. Please use only one.</sup>*
634638
635639### July 28, 2025
636640
No line in this hunk matches that.