1.4.1

What's Changed

• Fix handling of multi-part tool results in Chat.append and Chat.add_entry (#112)
• Fix server mapping for llama quantization config settings (#111)
• More lenient handling of received config fields with omitted default values (#110)

Full Changelog: 1.4.0...1.4.1

1.4.0

What's Changed

• Add max_parallel_tool_calls to .act() API, defaulting to sequential execution (#102)
• Unknown channel messages are now reported via warnings.warn rather than immediately raising an exception (#103)

Full Changelog: 1.3.2...1.4.0

1.3.2

What's Changed

• Update to 2025-06-25 lmstudio.js protocol schema (#99)

Full Changelog: 1.3.1...1.3.2

1.3.1

What's Changed

• Fixed GPU offload configuration when loading models (#89)

Full Changelog: 1.3.0...1.3.1

1.3.0

What's Changed

• Added a dedicated configure_default_client API (#82)
• Runtime names of public API types now match their import names (#74)
• Tool call failures are now passed back to the LLM by default (#72)
• Synchronous clients now use fewer background threads (#77)
• Tool results now report non-ASCII characters as Unicode code points rather than as ASCII escape sequences (contributed by @jusallcaz in #80)
• The not-yet-implemented general file handling APIs have been removed from the public API (#81)

New Contributors

• @jusallcaz made their first contribution in #80

Full Changelog: 1.2.0...1.3.0

1.2.0 - 2025-03-22

What's Changed

• Align model loading config format with lmstudio-js 47 (previously aligned with lmstudio-js 46)
  • Note: users of the experimental gpuOffload config setting will need to switch to setting the (still experimental) gpu field
• Explicitly note in relevant docstrings that details of config fields are not yet formally stabilised
• Pass previously omitted config settings to the server (#51)
• Add speculative decoding example (#55)
• Publish config retrieval APIs (#53, #54)
• Add server side token counting APIs (#57)
• Simplify prediction API type hinting (#59)
• Add preset config support in prediction APIs (#58) (Requires LM Studio 0.14+)
• Add GBNF grammar support when requesting structured responses (#60) (Requires LM Studio 0.14+)

Full Changelog: 1.1.0...1.2.0

1.1.0 - 2025-03-15

What's Changed

• Added SDK versioning policy to README.md (#42)
• Support Python 3.10 (#41)
• Support image input for VLMs (#34)
• Publish file preparation APIs (#37, #39)
• Add image preparation APIs (#38, #39)
• Avoid corrupting snake_case keys in structured output schemas supplied via prediction config dicts (#43)

Full Changelog: 1.0.1...1.1.0

1.0.1 - 2025-03-03

What's Changed

• Handle JIT model unloading notification messages (#26)
• Simplify inferred tool names (#27)
• Accept tool use messages via public Chat APIs (#28)

Full Changelog: 1.0.0...1.0.1

1.0.0 - 2025-02-27

Initial release of Python SDK

1.0.0rc1 - 2025-02-27

Initial release of Python SDK (release candidate)