release
Anthropic SDK v0.111.0
June 19, 2026
v0.111.0, released on 2026-06-18, adds a helpers feature that tags refusal-fallback middleware requests with `fallback-refusal-middleware` (#96). This makes it easier to identify and trace fallback refusal handling in middleware flows.
0.111.0 (2026-06-18) Full Changelog: v0.110.0...v0.111.0 Features helpers: tag refusal-fallback middleware requests with fallback-refusal-middleware ( #96 ) ( 2f8ac78 )
Source: github.com