3.1.3

What's Changed

RLMs

• fix(interpreter): Fix enable_read_paths with multiple files by @missing-piece in #9256
• fix: handle dict response in RLM for reasoning models by @darinkishore in #9219
• feat(CodeInterpreter): Convert messaging format to JSONRPC by @isaacbmiller in #9226
• feat(RLMs): Fix code fence parsing by @isaacbmiller in #9231
• fix(RLM): large variable injection by @isaacbmiller in #9233
• fix(RLM): no longer get stuck on imports by @isaacbmiller in #9234
• fix(RLM): Refactor tools to take list instead of dict and properly serialize None/null values by @isaacbmiller in #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 #9238
• Update gepa[dspy] version to 0.0.25 adding python==3.14 support by @LakshyAAAgrawal in #9224
• Temporarily remove the GEPA tool optimization doc by @chenmoneygithub in #9220
• fix(gepa): Remove enable_tool_optimization feature by @Ju-usc in #9223

Maintenance

• Stabilize real LM tests with deterministic temperature by @okhat in #9218
• fix: handle error responses from ColBERTv2 server by @emmanuel-ferdman in #9227
• Fix format by @chenmoneygithub in #9249
• Fix the request header in streaming mode by @chenmoneygithub in #9248
• feat(docs): add community ports page by @isaacbmiller in #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 #8822
• Revert ChainOfThought to pre-dspy.Reasoning (#8822) behavior by @okhat in #9258

New Contributors

• @missing-piece made their first contribution in #9256

Full Changelog: 3.1.2...3.1.3

3.1.2

What's Changed

Maintenance

• ci: install Deno in release workflow by @okhat in #9217
• Fix download bug in RAG tutorial by @togimoto in #9156
• Update DSpy settings save / load methods by @WeichenXu123 in #9215
• Expose timeout and straggler_limit params in Parallel by @halfprice06 in #9199
• Fix JSON parsing: Removing initial regex extraction. by @blightzero in #9182

New Contributors

• @halfprice06 made their first contribution in #9199
• @blightzero made their first contribution in #9182

Full Changelog: 3.1.1...3.1.2

3.1.1

What's Changed

RLMs

• feat(rlm): Add RLM Module and improve PythonInterpreter by @isaacbmiller in #9193
• Use language in system instructions for dspy.Code fields by @mariusarvinte in #9106
• Update dspy.RLM to improve reliability and avoid pydantic warnings by @okhat in #9210
• fix(RLM): Change FinalAnswerResult to FinalOutput and remove RLM call by @isaacbmiller in #9212

GEPA

• Fix GEPAFeedbackMetric Protocol missing 'self' parameter by @Copilot in #9111
• feat(gepa): add tool description optimization for multi-agent systems by @Ju-usc in #8928
• Update pyproject.toml to update gepa from 0.0.22 -> 0.0.24 by @LakshyAAAgrawal in #9161
• Patch dspy.gepa to handle list[dict] output from a dspy.LM by @mariusarvinte in #9169

Adapters

• Upgrade json_repair to fix parsing issue of underscore-style float number by @chenmoneygithub in #9088
• Properly yield the last chunk in streaming by @chenmoneygithub in #9089
• Avoid unwanted exception chaining when running async tool in sync context by @stevapple in #9092
• Enhance StreamListener to support generic type annotations for output by @TomeHirata in #9112
• FIX: streamify was appending StatusStreamingCallback directly to the shared settings.callbacks list by @glesperance in #9073
• fix(BAMLAdapter): Use docstrings to describe BaseModels by @BenMcH in #9125
• Fix Responses API structured outputs by @Olocool17 in #9130

Maintenance

• Fix UsageTracker AttributeError when using ParallelExecutor with dspy.context by @Copilot in #9095
• Update uv.lock dspy version to match the latest release by @chenmoneygithub in #9067
• [docs] Add Google-style docstrings for dspy/adapters/chat_adapter.py ChatAdapter class #9063 by @azai91 in #9072
• Fix ContextWindowExceededError after 3 retries in react loop by @Copilot in #9110
• fix: skip merging when both usage entry values are None by @chizukicn in #9121
• Fix: enforce positive memory_max_entries for in-memory cache by @mshr-h in #9128
• Add typing to dspy.datasets.dataset by @max-muoto in #9143
• Increase max_iters for dspy.ReAct by @chenmoneygithub in #9162
• fix(dspy): prevent argument injection in LocalProvider subprocess calls by @Copilot in #9160
• fix(dspy): populate InputField default values in Predict by @ritsuki1227 in #9167
• fix(PythonInterpreter): Remove overly permissive read permissions and add strict allow by @isaacbmiller in #9081
• Add save / load methods for DSpy settings by @WeichenXu123 in #9165

Docs

• [doc] Correct conversation history tutorial example by @zhiyanliu in #9071
• fix: Resolve broken hover-nlp/hover dataset by @vincentkoc in #9069
• Fix missing Real-World Examples and Experimental RL Optimization sections on tutorials page by @0xRaduan in #8982
• Refactor ReflectiveExample TypedDict documentation by @LakshyAAAgrawal in #9133
• [Automatic] Update api reference by @chenmoneygithub in #9135
• Replace ujson with orjson in docs by @togimoto in #9148

New Contributors

• @zhiyanliu made their first contribution in #9071
• @azai91 made their first contribution in #9072
• @0xRaduan made their first contribution in #8982
• @Ju-usc made their first contribution in #8928
• @mariusarvinte made their first contribution in #9106
• @Olocool17 made their first contribution in #9130
• @chizukicn made their first contribution in #9121
• @mshr-h made their first contribution in #9128
• @max-muoto made their first contribution in #9143
• @togimoto made their first contribution in #9148
• @ritsuki1227 made their first contribution in #9167
• @WeichenXu123 made their first contribution in #9165

Full Changelog: 3.1.0...3.1.1

3.1.0

What's Changed

This is a 3.1.0 official release. We are making the beta release 3.1.0beta1 official.

Optimizers & Evaluation

• Add tutorial for dspy-trusted-monitor using GEPA by @ZachParent in #8938
• Update gepa[dspy] dependency version to 0.0.18 by @LakshyAAAgrawal in #8969
• fix(MIPROv2): zero shot not taking .compile parameters into account before determining if the program was zero shot by @isaacbmiller in #8909
• Update gepa[dspy] dependency version to 0.0.22 by @LakshyAAAgrawal in #9042
• [docs] Add GEPA gepa_kwargs documentation by @gabrielloiseau in #8998
• Update optimizer overview to include the description of SIMBA by @TomeHirata in #9026
• Enable callback logging only for full eval on GEPA by @TomeHirata in #9050
• Update Arbor Tutorials by @Ziems in #9007
• Update RL Tutorial by @Ziems in #9008

Features & Enhancements

• Add Disable Fallback Option in ChatAdapter by @Ziems in #8984
• Add a method to extract system message based on adapter and signature by @chenmoneygithub in #9006
• feat(File): add File type for handling file data by @TomeHirata in #9014
• Allow stream listener to work on any type by @chenmoneygithub in #8833
• fix(audio): Normalize 'x-wav' audio format to 'wav' by @akshatvishu in #9017
• Support Python 3.14 by @TomeHirata in #9041
• Introduce dspy.Reasoning to capture native reasoning from reasoning models by @chenmoneygithub in #8986

Security & Serialization

• Add guards against loading pkl files by @isaacbmiller in #9048
• Add param to load_memory_cache to stop pkl files without explicit loading by @isaacbmiller in #9055

Bug Fixes & Type Handling

• Fix TypeError when tracking usage with Anthropic models returning Pydantic objects by @Copilot in #8978
• Update old Anthropic model names by @TomeHirata in #8992
• fix(XMLAdapter): Implement user message formatting by @BenMcH in #9003
• Fix content input conversion for OpenAI Responses API by @Copilot in #8993
• Refactor: update type hints for adapter and LM methods by @TomeHirata in #9025
• fix(dspy): exclude gpt-5-chat from reasoning model classification by @mindful-time in #9033
• fix(dspy): Example.toDict() fails to serialize dspy.History objects by @Copilot in #9047
• Some continuous format fix by @chenmoneygithub in #8987

Documentation & Tutorials

• Add documentation for provider-side prompt caching with Anthropic and OpenAI by @Copilot in #8970
• [docs] Add Google-style docstrings for dspy/evaluate/metrics.py by @eramis73 in #8954
• fix: broken PyPI downloads badge from pepy.tech in README and docs home page by @dushmanta05 in #8995
• Document ToolCall.execute() availability from dspy 3.0.4b2 by @Copilot in #9004
• fix(docs): add python language id to code block by @Ahmad8864 in #9023
• docs: add note on Python version for pre-commit by @akshatvishu in #9028
• chore(docs): update dspy.settings.configure and dspy.settings.context to dspy.configure and dspy.context by @isaacbmiller in #9060
• docs: add documentation for async tool usage and error handling by @TomeHirata in #9054

Minor Fixes, Maintenance & CI

• Remove unused notebook python file by @TomeHirata in #8971
• Cache Ollama to speed up CI by @TomeHirata in #8972
• Clean out unused deps by @isaacbmiller in #8968
• docs: add note on Python version for pre-commit by @akshatvishu in #9028
• Bump DSPy version by @chenmoneygithub in #9061

New Contributors

• @ZachParent made their first contribution in #8938
• @eramis73 made their first contribution in #8954
• @dushmanta05 made their first contribution in #8995
• @akshatvishu made their first contribution in #9017
• @mindful-time made their first contribution in #9033
• @gabrielloiseau made their first contribution in #8998
• @Ahmad8864 made their first contribution in #9023

Full Changelog: 3.0.4...3.1.0b1

3.1.0b1

What's Changed

This is a pre-release for 3.1.0.

Optimizers & Evaluation

• Add tutorial for dspy-trusted-monitor using GEPA by @ZachParent in #8938
• Update gepa[dspy] dependency version to 0.0.18 by @LakshyAAAgrawal in #8969
• fix(MIPROv2): zero shot not taking .compile parameters into account before determining if the program was zero shot by @isaacbmiller in #8909
• Update gepa[dspy] dependency version to 0.0.22 by @LakshyAAAgrawal in #9042
• [docs] Add GEPA gepa_kwargs documentation by @gabrielloiseau in #8998
• Update optimizer overview to include the description of SIMBA by @TomeHirata in #9026
• Enable callback logging only for full eval on GEPA by @TomeHirata in #9050
• Update Arbor Tutorials by @Ziems in #9007
• Update RL Tutorial by @Ziems in #9008

Features & Enhancements

• Add Disable Fallback Option in ChatAdapter by @Ziems in #8984
• Add a method to extract system message based on adapter and signature by @chenmoneygithub in #9006
• feat(File): add File type for handling file data by @TomeHirata in #9014
• Allow stream listener to work on any type by @chenmoneygithub in #8833
• fix(audio): Normalize 'x-wav' audio format to 'wav' by @akshatvishu in #9017
• Support Python 3.14 by @TomeHirata in #9041
• Introduce dspy.Reasoning to capture native reasoning from reasoning models by @chenmoneygithub in #8986

Security & Serialization

• Add guards against loading pkl files by @isaacbmiller in #9048
• Add param to load_memory_cache to stop pkl files without explicit loading by @isaacbmiller in #9055

Bug Fixes & Type Handling

• Fix TypeError when tracking usage with Anthropic models returning Pydantic objects by @Copilot in #8978
• Update old Anthropic model names by @TomeHirata in #8992
• fix(XMLAdapter): Implement user message formatting by @BenMcH in #9003
• Fix content input conversion for OpenAI Responses API by @Copilot in #8993
• Refactor: update type hints for adapter and LM methods by @TomeHirata in #9025
• fix(dspy): exclude gpt-5-chat from reasoning model classification by @mindful-time in #9033
• fix(dspy): Example.toDict() fails to serialize dspy.History objects by @Copilot in #9047
• Some continuous format fix by @chenmoneygithub in #8987

Documentation & Tutorials

• Add documentation for provider-side prompt caching with Anthropic and OpenAI by @Copilot in #8970
• [docs] Add Google-style docstrings for dspy/evaluate/metrics.py by @eramis73 in #8954
• fix: broken PyPI downloads badge from pepy.tech in README and docs home page by @dushmanta05 in #8995
• Document ToolCall.execute() availability from dspy 3.0.4b2 by @Copilot in #9004
• fix(docs): add python language id to code block by @Ahmad8864 in #9023
• docs: add note on Python version for pre-commit by @akshatvishu in #9028
• chore(docs): update dspy.settings.configure and dspy.settings.context to dspy.configure and dspy.context by @isaacbmiller in #9060
• docs: add documentation for async tool usage and error handling by @TomeHirata in #9054

Minor Fixes, Maintenance & CI

• Remove unused notebook python file by @TomeHirata in #8971
• Cache Ollama to speed up CI by @TomeHirata in #8972
• Clean out unused deps by @isaacbmiller in #8968
• docs: add note on Python version for pre-commit by @akshatvishu in #9028
• Bump DSPy version by @chenmoneygithub in #9061

New Contributors

• @ZachParent made their first contribution in #8938
• @eramis73 made their first contribution in #8954
• @dushmanta05 made their first contribution in #8995
• @akshatvishu made their first contribution in #9017
• @mindful-time made their first contribution in #9033
• @gabrielloiseau made their first contribution in #8998
• @Ahmad8864 made their first contribution in #9023

Full Changelog: 3.0.4...3.1.0b1

3.0.4

3.0.4b2 has been running for a while without seeing issue, so we are making it an official 3.0.4 release.

The release note is the combination of 3.0.4b1 and 3.0.4b2.

What's Changed

Optimizers

• Fix GEPA usage tracking with tuple outputs by @smec-cgint in #8739
• Add custom instruction_proposer support to GEPA with multimodal (dspy.Image) handling by @andressrg in #8737
• Enhance logging for valset usage in GEPA by @LakshyAAAgrawal in #8770
• [Feature] GEPA: Add custom component selection logic support by @andressrg in #8765
• Add MLFLow <> GEPA support by @TomeHirata in #8763
• Update optimization overview with data split guidance by @LakshyAAAgrawal in #8792
• docs: Add comprehensive instruction_proposer documentation and examples for GEPA by @andressrg in #8775
• Introduce gepa_kwargs for passing custom kwargs to gepa.optimize by @LakshyAAAgrawal in #8850
• Propagate callback metadata during GEPA minibatch eval by @TomeHirata in #8835
• Fix typo in GEPA warning by @TomeHirata in #8840
• Update gepa[dspy] dependency version to 0.0.17; Potential fix for load from state not working in GEPA by @LakshyAAAgrawal in #8859
• SIMBA Improvements by @klopsahlong in #8766

Features & Enhancements

• Add Anthropic Citation API support by @TomeHirata in #8721
• Add api reference for citations and document by @TomeHirata in #8801
• Allow custom type to be streamed and use native response by @TomeHirata in #8778
• Fix example code for Citations by @TomeHirata in #8868
• Add ToolCall.execute for smoother tool execution (#8825, @TomeHirata)
• Add DSPy User-Agent header (#8887, @TomeHirata)
• Update headers when specified (#8893, @TomeHirata)
• Arbor GRPO Sync Update (#8939, @Ziems)
• Deprecate Image from_* helpers in favor of flexible constructor by @isaacbmiller in #8771
• Cache Image.format for better throughput by @TomeHirata in #8842
• test(dspy.Image): Adds a test with ReAct that has an Image tool by @isaacbmiller in #8855

Bug Fixes & Type Handling

• Fix #8703 - fixing module and feedback mismatch by @Lucas-Fernandes-Martins in #8777
• Fix value parsing and add tests by @chenmoneygithub in #8774
• Parse doubly-encoded base type in json.parse by @TomeHirata in #8814
• Fix unexpected parsing of Optional[str] fields when string has brackets or braces by @sontanon in #8805
• Use mcp.ClientSession for type hint by @TomeHirata in #8826
• Fix type hint for callpreprocess by @TomeHirata in #8827
• fix: Allow DummyLM answers dict values to be of any type to work with a wider range of signatures by @BenMcH in #8803
• Fix the crash when usage tracker is enabled with non-prediction output by @TomeHirata in #8831
• Fallback to memory cache when disk is not available by @TomeHirata in #8718
• bug(lm): Avoid unnecessary cache key computation by @isaacbmiller in #8862
• Display metric=0 in eval table by @TomeHirata in #8817
• Add save/load to Embeddings by @TomeHirata in #8818
• Fix chunk loss in long streaming with native response field (#8881, @TomeHirata)
• Make the buffer condition more precise (#8907, @TomeHirata)
• fix: add fallback on missing end marker during streaming (#8890, @enitrat)
• fix(JSONAdapter): escape logic when JSON mode but no structured outputs (#8871, @isaacbmiller)
• fix: XML adapter markers (#8876, @enitrat)
• Fix test_xml_adapter_full_prompt (#8904, @TomeHirata)
• Fix responses API (#8880, @chenmoneygithub)
• Fix response_format handling for responses API (#8911, @TomeHirata)
• Fix error handling in dspy parallel (#8860, @TomeHirata)
• fix(LM): default temperature and max_tokens to None (#8908, @isaacbmiller)
• fix(MIPROv2): select between task_model and prompt_model (#8877, @isaacbmiller)
• Exclude API keys from saved programs (#8941, @Copilot)

Documentation & Tutorials

• Minor document changes by @Navanit-git in #8722
• Add doc page to learn tool usage in DSPy by @TomeHirata in #8709
• Style fix for tool page by @TomeHirata in #8781
• Add tracing banner in new tutorials by @B-Step62 in #8772
• docs: fix link to the sglang installation/getting started page by @tomsanbear in #8776
• Guide on using native tool calling by @chenmoneygithub in #8788
• fix: removed duplicate cell from GEPA information extraction tutorial by @vacmar01 in #8806
• Remove EmailInsight class from email extraction tutorial by @TomeHirata in #8790
• Update documentation to include responses api by @chenmoneygithub in #8780
• [Feature] Add automatic llms.txt generation via mkdocs-llmstxt plugin by @aberoham in #8562
• Guide on using native tool calling by @chenmoneygithub in #8788
• Update HotPotQA in light of #8591 by @okhat in #8751
• Add Learn MCP page (#8903, @TomeHirata)
• Fix MIPRO paper link in RAG tutorial (#8937, @TomeHirata)
• [Docstring] Add docstring for Adapter (#8915, @chenmoneygithub)
• [Docs] Google-style docstrings for dspy/primitives/example Example class (#8949, @Davshiv20)
• [Docs] Google-style docstrings for Signature.prepend/append/insert/delete (#8945, @gnetsanet)
• Better tutorial sidebar—do not auto-expand all tutorials (#8912, @chenmoneygithub)

Minor Fixes & Maintenance

• Use developer role in response API by @TomeHirata in #8727
• 8688 csv output by @crawftv in #8725
• Add header link by @TomeHirata in #8773
• Add experimental annotation by @TomeHirata in #8712
• Update LICENSE error by @TomeHirata in #8783
• Fixed Spelling error in DatasetDescriptor Prompt by @PoeAudits in #8812
• Update API reference by @TomeHirata in #8844
• Expose EvaluationResult as dspy.evaluate.EvaluationResult by @TomeHirata in #8843
• Include built-in types in DSPy api references by @chenmoneygithub in #8810
• Change DummyLM to take an adapter at init by @isaacbmiller in #8802
• Infinitus AI agents by @suman-subash-infinitusai in #8708
• [WIP] Arbor Interface Update by @Ziems in #8837
• Refactor URL construction in ArborReinforceJob to use urljoin (#8951, @Ziems)
• Update type hint of ClientSession (#8894, @TomeHirata)
• Long line in function signature (style) (#8914, @chenmoneygithub)
• Fix lint of LM (#8884, @chenmoneygithub)
• Deflake the real LM test (#8924, @chenmoneygithub)

New Contributors

• @crawftv made their first contribution in #8725
• @Navanit-git made their first contribution in #8722
• @smec-cgint made their first contribution in #8739
• @suman-subash-infinitusai made their first contribution in #8708
• @andressrg made their first contribution in #8737
• @tomsanbear made their first contribution in #8776
• @Lucas-Fernandes-Martins made their first contribution in #8777
• @aberoham made their first contribution in #8562
• @PoeAudits made their first contribution in #8812
• @sontanon made their first contribution in #8805
• @enitrat made their first contribution in #8890
• @Davshiv20 made their first contribution in #8949
• @gnetsanet made their first contribution in #8945

Full Changelog: 3.0.3...3.0.4

3.0.4b2

What's Changed

Features & Enhancements

• Tooling / APIs

  • Add ToolCall.execute for smoother tool execution (#8825, @TomeHirata)

• Networking / Headers

  • Add DSPy User-Agent header (#8887, @TomeHirata)
  • Update headers when specified (#8893, @TomeHirata)

• Arbor / RL

  • Arbor GRPO Sync Update (#8939, @Ziems)

Bug Fixes & Reliability

• Streaming / Buffers

  • Fix chunk loss in long streaming with native response field (#8881, @TomeHirata)
  • Make the buffer condition more precise (#8907, @TomeHirata)
  • fix: add fallback on missing end marker during streaming (#8890, @enitrat)

• Adapters

  • fix(JSONAdapter): escape logic when JSON mode but no structured outputs (#8871, @isaacbmiller)
  • fix: XML adapter markers (#8876, @enitrat)
  • Fix test_xml_adapter_full_prompt (#8904, @TomeHirata)

• Responses / APIs

  • Fix responses API (#8880, @chenmoneygithub)
  • Fix response_format handling for responses API (#8911, @TomeHirata)

• Core / LM

  • Fix error handling in dspy parallel (#8860, @TomeHirata)
  • fix(LM): default temperature and max_tokens to None (#8908, @isaacbmiller)

• MIPRO

  • fix(MIPROv2): select between task_model and prompt_model (#8877, @isaacbmiller)

Security & Privacy

• Exclude API keys from saved programs (#8941, @Copilot)

Refactors & Maintenance

• Refactor URL construction in ArborReinforceJob to use urljoin (#8951, @Ziems)
• Update type hint of ClientSession (#8894, @TomeHirata)
• Long line in function signature (style) (#8914, @chenmoneygithub)
• Fix lint of LM (#8884, @chenmoneygithub)

Documentation

• Add Learn MCP page (#8903, @TomeHirata)
• Fix MIPRO paper link in RAG tutorial (#8937, @TomeHirata)
• [Docstring] Add docstring for Adapter (#8915, @chenmoneygithub)
• [Docs] Google-style docstrings for dspy/primitives/example Example class (#8949, @Davshiv20)
• [Docs] Google-style docstrings for Signature.prepend/append/insert/delete (#8945, @gnetsanet)
• Better tutorial sidebar—do not auto-expand all tutorials (#8912, @chenmoneygithub)

Tests & Stability

• Deflake the real LM test (#8924, @chenmoneygithub)

New Contributors

• @enitrat made their first contribution in #8890
• @Copilot made their first contribution in #8941
• @Davshiv20 made their first contribution in #8949
• @gnetsanet made their first contribution in #8945

Full Changelog: 3.0.4b1...3.0.4b2

3.0.4b1

What's Changed

GEPA + Other Optimizers

• Fix GEPA usage tracking with tuple outputs by @smec-cgint in #8739
• Add custom instruction_proposer support to GEPA with multimodal (dspy.Image) handling by @andressrg in #8737
• Enhance logging for valset usage in GEPA by @LakshyAAAgrawal in #8770
• [Feature] GEPA: Add custom component selection logic support by @andressrg in #8765
• Add MLFLow <> GEPA support by @TomeHirata in #8763
• Update optimization overview with data split guidance by @LakshyAAAgrawal in #8792
• docs: Add comprehensive instruction_proposer documentation and examples for GEPA by @andressrg in #8775
• Introduce gepa_kwargs for passing custom kwargs to gepa.optimize by @LakshyAAAgrawal in #8850
• Propagate callback metadata during GEPA minibatch eval by @TomeHirata in #8835
• Fix typo in GEPA warning by @TomeHirata in #8840
• Update gepa[dspy] dependency version to 0.0.17; Potential fix for load from state not working in GEPA by @LakshyAAAgrawal in #8859
• SIMBA Improvements by @klopsahlong in #8766

Custom Type

• Add Anthropic Citation API support by @TomeHirata in #8721
• Add api reference for citations and document by @TomeHirata in #8801
• Allow custom type to be streamed and use native response by @TomeHirata in #8778
• Fix example code for Citations by @TomeHirata in #8868

Image & Multimodal Support

• Deprecate Image from_* helpers in favor of flexible constructor by @isaacbmiller in #8771
• Cache Image.format for better throughput by @TomeHirata in #8842
• test(dspy.Image): Adds a test with ReAct that has an Image tool by @isaacbmiller in #8855

Bug Fixes & Type Handling

• Fix #8703 - fixing module and feedback mismatch by @Lucas-Fernandes-Martins in #8777
• Fix value parsing and add tests by @chenmoneygithub in #8774
• Parse doubly-encoded base type in json.parse by @TomeHirata in #8814
• Fix unexpected parsing of Optional[str] fields when string has brackets or braces by @sontanon in #8805
• Use mcp.ClientSession for type hint by @TomeHirata in #8826
• Fix type hint for callpreprocess by @TomeHirata in #8827
• fix: Allow DummyLM answers dict values to be of any type to work with a wider range of signatures by @BenMcH in #8803
• Fix the crash when usage tracker is enabled with non-prediction output by @TomeHirata in #8831
• Fallback to memory cache when disk is not available by @TomeHirata in #8718
• bug(lm): Avoid unnecessary cache key computation by @isaacbmiller in #8862
• Display metric=0 in eval table by @TomeHirata in #8817
• Add save/load to Embeddings by @TomeHirata in #8818

Documentation & Tutorials

• Minor document changes by @Navanit-git in #8722
• Add doc page to learn tool usage in DSPy by @TomeHirata in #8709
• Style fix for tool page by @TomeHirata in #8781
• Add tracing banner in new tutorials by @B-Step62 in #8772
• docs: fix link to the sglang installation/getting started page by @tomsanbear in #8776
• Guide on using native tool calling by @chenmoneygithub in #8788
• fix: removed duplicate cell from GEPA information extraction tutorial by @vacmar01 in #8806
• Remove EmailInsight class from email extraction tutorial by @TomeHirata in #8790
• Update documentation to include responses api by @chenmoneygithub in #8780
• [Feature] Add automatic llms.txt generation via mkdocs-llmstxt plugin by @aberoham in #8562
• Guide on using native tool calling by @chenmoneygithub in #8788
• Update HotPotQA in light of #8591 by @okhat in #8751

Minor Fixes & Maintenance

• Use developer role in response API by @TomeHirata in #8727
• 8688 csv output by @crawftv in #8725
• Add header link by @TomeHirata in #8773
• Add experimental annotation by @TomeHirata in #8712
• Update LICENSE error by @TomeHirata in #8783
• Fixed Spelling error in DatasetDescriptor Prompt by @PoeAudits in #8812
• Update API reference by @TomeHirata in #8844
• Expose EvaluationResult as dspy.evaluate.EvaluationResult by @TomeHirata in #8843
• Include built-in types in DSPy api references by @chenmoneygithub in #8810
• Change DummyLM to take an adapter at init by @isaacbmiller in #8802
• Infinitus AI agents by @suman-subash-infinitusai in #8708
• [WIP] Arbor Interface Update by @Ziems in #8837

New Contributors

• @crawftv made their first contribution in #8725
• @Navanit-git made their first contribution in #8722
• @smec-cgint made their first contribution in #8739
• @suman-subash-infinitusai made their first contribution in #8708
• @andressrg made their first contribution in #8737
• @tomsanbear made their first contribution in #8776
• @Lucas-Fernandes-Martins made their first contribution in #8777
• @aberoham made their first contribution in #8562
• @PoeAudits made their first contribution in #8812
• @sontanon made their first contribution in #8805

Full Changelog: 3.0.3...3.0.4b1

3.0.3

What's Changed

New Functionality

• Introduce rollout_id for bypassing LM cache in a namespaced way by @okhat in #8745
• Raise temperature when doing multiple rollouts (and warn otherwise) by @okhat in #8748

Optimizers

• Bump gepa version - Fix dependencies, Add progress bar, Ensure failing metrics do not continue running by @LakshyAAAgrawal in #8701
• Fix call to forward in dspy.GEPA tutorial by @LakshyAAAgrawal in #8719

Maintenance

• Replace ujson by orjson by @chenmoneygithub in #8655
• Change how forward is patched to avoid warning on explicit forward call by @chenmoneygithub in #8700
• Add type hints and fix doc string of SIMBA by @TomeHirata in #8707
• Remove deprecated LiteLLM caching from LM by @okhat in #8742
• Fix Predict config merging and document rollout_id usage by @okhat in #8746
• Lower max_tokens requirement for reasoning LMs by @okhat in #8750

Full Changelog: 3.0.2...3.0.3

3.0.2

What's Changed

Optimizers

• Validate GEPA metric signature by @okhat in #8697
• MIPROv2: Warn on deprecated requires_permission_to_run by @TomeHirata in #8635
• Fix mlflow<>gepa by @LakshyAAAgrawal @chenmoneygithub in #8691, #8696

LMs & Adapters

• Allow custom chunk type in stream by @chenmoneygithub in #8679
• Support OpenAI response api in LM by @TomeHirata in #8692
• Fix issues in BAMLAdapter by @chenmoneygithub in #8654
• Handle gpt-5-nano as reasoning model by @okhat in #8693

Maintenance

• Add test to ensure saving/loading backward compatibility by @chenmoneygithub in #8680
• Add type hints for Module.call and Module.acall to return Prediction by @jsummerfield in #8681
• chore: fix error message: gpt-5o -> gpt-5 by @Shangyint in #8686

New Contributors

• @RevanthGundala made their first contribution in #8669
• @jsummerfield made their first contribution in #8681
• @bikash119 made their first contribution in #8684

Full Changelog: 3.0.1...3.0.2