v1.11.0
1.11.0 (2026-06-09)
Full Changelog: v1.10.0...v1.11.0
Features
- api: add support for claude-mythos-5 and claude-fable-5, with support for server-side fallbacks on refusal (8302a45)
- api: manual updates (c5d792d)
- api: small updates to Managed Agents types (242c693)
- client: adds client-side fallbacks middleware for API providers that do not support server-side fallbacks (8302a45)
Chores
- internal: fix artifact url (20689c3)
- internal: fix branch names (2168a5a)
- internal: update private repo name (c4f0954)
Documentation
- add animated terminal demo (7573585)
- move development docs into CONTRIBUTING.md (ab8aed7)
- point security reports to Anthropic's HackerOne program (#5) (f5c8f0f)
- release-branch readiness sweep (model-release Step 5) + coverage-audit refinements (2454db4)
- replace README demo GIF with webm and poster frame (46d7f93)
- restore README demo GIF (46e0b71)
- restructure README to match SDK conventions (e22f218)
- update product name to Claude Platform (fa89021)
- use claude-opus-4-8 in examples and lead with the ant name (8ecc617)