What's Changed Optimizers Validate GEPA metric signature by @okhat in https://github.com/stanfordnlp/dspy/pull/8697 MIPROv2: Warn on deprecated requires_permission_to_run by @TomeHirata in https://github.com/stanfordnlp/dspy/pull/8635 Fix mlflow<>gepa by @LakshyAAAgrawal @chenmoneygithub in https://github.com/stanfordnlp/dspy/pull/8691, https://github.com/stanfordnlp/dspy/pull/8696 LMs & Adapters Allow custom chunk type in stream by @chenmoneygithub in https://github.com/stanfordnlp/dspy/pull/8679 Support OpenAI response api in LM by @TomeHirata in https://github.com/stanfordnlp/dspy/pull/8692 Fix issues in BAMLAdapter by @chenmoneygithub in https://github.com/stanfordnlp/dspy/pull/8654 Handle gpt-5-nano as reasoning model by @okhat in https://github.com/stanfordnlp/dspy/pull/8693 Maintenance Add test to ensure saving/loading backward compatibility by @chenmoneygithub in https://github.com/stanfordnlp/dspy/pull/8680 Add type hints for Module.__call__ and Module.acall to return Prediction by @jsummerfield in https://github.com/stanfordnlp/dspy/pull/8681 chore: fix error message: gpt-5o -> gpt-5 by @Shangyint in https://github.com/stanfordnlp/dspy/pull/8686 New Contributors…