v0.85.0

0.85.0 (2026-09-03)

Features

• api: add gpt-6-astra and related features (#596) (a08d882)

Bug Fixes

• ci: restore Castiron statuses for fork PRs (#572) (b78af5a)
• correct StringIO request content length (#583) (5baeac8)
• emit done events for terminal chat tool calls (#573) (891936c)
• handle nullable structured-output literals (#568) (c4fee85)
• isolate chat stream logprob chunks (#585) (0daedb2)
• preserve initial chat stream system fingerprint (#580) (a31c1ce)
• preserve late chat completion service tier (#567) (52a0c64)
• preserve nested array schema definitions (#581) (bbfbe29)
• preserve recursive structured output refs (#584) (b23fc75)
• preserve retained Responses stream events (#577) (149e685)
• preserve string-tagged structured output models (#582) (983eaf9)
• raise finish errors for initial chat stream chunks (#579) (c923659)
• short-circuit Bedrock profile credentials (#588) (1c7ed46)

Documentation

• clarify commit prefix user impact (#575) (73752ad)
• establish canonical security model (#565) (2ded215)