What's Changed Optimizers Fixes for MIPRO: Don't fail silently on bootstrapping! by @okhat in https://github.com/stanfordnlp/dspy/pull/8548 skip unhashable module histories for mipro program proposer by @arnavsinghvi11 in https://github.com/stanfordnlp/dspy/pull/8572 Update Arbor GRPO Integration by @Ziems in https://github.com/stanfordnlp/dspy/pull/8609 Remove user confirmation from MiproV2 by @TomeHirata in https://github.com/stanfordnlp/dspy/pull/8552 Adapters & Tools fix(dspy): Fix MCP tool conversion when schema has no input params by @tvdaptible in https://github.com/stanfordnlp/dspy/pull/8566 Explicitly mark the end of streaming by @chenmoneygithub in https://github.com/stanfordnlp/dspy/pull/8587 faster json parsing for images in chatadapter by @jmhb0 in https://github.com/stanfordnlp/dspy/pull/8596 Use json mode for serialization by @TomeHirata in https://github.com/stanfordnlp/dspy/pull/8605 Custom BAMLAdapter to improve structured outputs by @prrao87 in https://github.com/stanfordnlp/dspy/pull/8614 LMs & Modules Mark gpt-5 as reasoning model by @olesyash in https://github.com/stanfordnlp/dspy/pull/8620 Fix infinite growing trace and add tests by @chenmoneygithub in…