v2.39.0

stainless-app released this 09 Jun 16:45

a214f31

2.39.0 (2026-06-09)

Full Changelog: v2.38.0...v2.39.0

Features

api: add support for claude-mythos-5 and claude-fable-5, with support for server-side fallbacks on refusal (835fb42)
client: adds client-side fallbacks middleware for API providers that do not support server-side fallbacks (835fb42)

Bug Fixes

3p middleware ordering (#34) (d01da3a)
streaming: merge message_delta usage without dropping or rejecting iterations (#39) (e3af118)

Assets 2