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Heads-upReleasesAnthropic

We’ve released API version 2026-10-21.

Anthropic released API version 2026-10-21 along with new major SDK versions (Python 2.0.0, TypeScript 1.0.0, C# 13.0.0, Go 2.0.0, Java 3.0.0, PHP 1.0.0, Ruby 2.0.0) and ant CLI 2.0.0 that send the new version by default. The new SDKs and CLI include breaking changes independent of the API version and are now licensed under Apache 2.0 instead of MIT. User profiles now expose enforcement_status and enforcement_actions fields, with a new enforcement_status[] filter to list profiles with open restrictions or bans.

Read the full story on platform.claude.com

What to doReview the migration guide and SDK breaking changes, then upgrade your SDK/CLI and consider using the new enforcement_status fields and filter.
Provider
Anthropic
Source
platform.claude.com

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