August 5, 2025

LM Studio 0.3.21

0.3.21 - Release Notes

Build 4

  • Simplify Mission Control for User Mode

Build 3

  • Parse Qwen3 coder tool calls that start with <function=... and not <tool_call>

Build 2

  • Fix Qwen3-235B-A22B-Thinking-2507 thinking block handling
  • Fix Qwen3 coder 'tool_calls' emission in OpenAI-like /v1/chat/completions server
  • Introduce a Settings > Chat option to hide token counts from chat cells in the sidebar
  • Fix a bug where keyboard shortcut to chats page was lost after switching app modes
  • Avoid auto dismissing toasts if currently hovered over
  • Fix a bug where toggling message style would not reinitialize expandable messages
  • For new users, default to not showing chat token count in chat sidebar cells
  • Fixes 'Cannot apply filter "string" to type: NullValue' with Qwen3 Coder MOE models where null values were not being handled correctly in jinja parsing

Build 1

  • Add confirmation toast after adding an MCP server
  • Show streaming preview for generating tool call arguments
  • By default, filter Staff Picks to models that can fit on your device