3.1.3

What's Changed

RLMs

fix(interpreter): Fix enable_read_paths with multiple files by @missing-piece in https://github.com/stanfordnlp/dspy/pull/9256
fix: handle dict response in RLM for reasoning models by @darinkishore in https://github.com/stanfordnlp/dspy/pull/9219
feat(CodeInterpreter): Convert messaging format to JSONRPC by @isaacbmiller in https://github.com/stanfordnlp/dspy/pull/9226
feat(RLMs): Fix code fence parsing by @isaacbmiller in https://github.com/stanfordnlp/dspy/pull/9231
fix(RLM): large variable injection by @isaacbmiller in https://github.com/stanfordnlp/dspy/pull/9233
fix(RLM): no longer get stuck on imports by @isaacbmiller in https://github.com/stanfordnlp/dspy/pull/9234
fix(RLM): Refactor tools to take list instead of dict and properly serialize None/null values by @isaacbmiller in https://github.com/stanfordnlp/dspy/pull/9247

GEPA

Update gepa[dspy] dependency to version 0.0.26 adding support for cached evals in GEPA expected to reduce metric calls, fix MLFlow logging, and bug fixes by @LakshyAAAgrawal in https://github.com/stanfordnlp/dspy/pull/9238
Update gepa[dspy] version to 0.0.25 adding python==3.14 support by @LakshyAAAgrawal in https://github.com/stanfordnlp/dspy/pull/9224
Temporarily remove the GEPA tool optimization doc by @chenmoneygithub in https://github.com/stanfordnlp/dspy/pull/9220
fix(gepa): Remove enable_tool_optimization feature by @Ju-usc in https://github.com/stanfordnlp/dspy/pull/9223

Maintenance

Stabilize real LM tests with deterministic temperature by @okhat in https://github.com/stanfordnlp/dspy/pull/9218
fix: handle error responses from ColBERTv2 server by @emmanuel-ferdman in https://github.com/stanfordnlp/dspy/pull/9227
Fix format by @chenmoneygithub in https://github.com/stanfordnlp/dspy/pull/9249
Fix the request header in streaming mode by @chenmoneygithub in https://github.com/stanfordnlp/dspy/pull/9248
feat(docs): add community ports page by @isaacbmiller in https://github.com/stanfordnlp/dspy/pull/9222

Deferred to a later release (added then reverted before cutting this release):

Allow DSPy to use the native reasoning from models by @chenmoneygithub in https://github.com/stanfordnlp/dspy/pull/8822
Revert ChainOfThought to pre-dspy.Reasoning (#8822) behavior by @okhat in https://github.com/stanfordnlp/dspy/pull/9258

@missing-piece made their first contribution in https://github.com/stanfordnlp/dspy/pull/9256

Full Changelog: https://github.com/stanfordnlp/dspy/compare/3.1.2...3.1.3