Changelog • LM Studio 0.4.1

Build 1

New: Anthropic API compatibility endpoint: /v1/messages
- Use Claude Code with LM Studio 👾
Added a new "Deep Dark" theme option for the UI
Added --parallel <N> flag to lms load command to allow loading a model with specified number of max parallel predictions
[Mac] Fixed "kernel_mul_mv_bf16_f32_4 was not found in the library" bug on model load
Fixed a bug where lms chat cannot use non-ASCII characters
Fixed a bug where UI will sometimes crash after a loaded model is removed
Fixed a bug where LM Studio sometimes creates multiple backups for model index cache
Fixed responsive handling of chat terminal icons
Fixed a bug causing UI to crash with "Cannot read properties of null"
Fixed a bug to persist expanded config section choices across sessions
Fixed a bug in splitting and collapsing panes, and replacing chat tabs
Fixed a bug where Codex would encounter errors when unsupported tools were passed to LM Studio
Fixed a bug where the model loader would sometimes not populate with correct override model default values
Fixed a bug where input_tokens and cached_tokens were sometimes reported incorrectly in /v1/responses API
Fixed edge cases in which Developer Mode wouldn't turn on automatically when updating 0.3 → 0.4