Release Notes 1.2.1

1.2.1f3 (2026-07-10)

1.2.1f3

• Improvements
  • General
    • Added an option to set which tool is activated when selecting an object. (Configurable in Preference > UModelerX > Editable Mesh > Tool On Object Enter)
      • Last Used Tool Per Object: Activates the tool last used for each object.
      • Keep Current Tool: Keeps the currently active tool even when switching objects.
      • Object Tool: Always switches to the Object Tool/Object Mode when entering object edit mode.
  • Modeling Mode
    • Modifiers: Added Preview Overlay and Preview XRay options. These allow you to view the edge overlay of a mesh with modifiers applied, or view it in X-Ray form.
  • Rigging Mode
    • Bone Tree: Added help guidance within Rigging Mode.
    • Bone Tree: Added buttons for easily adding and deleting bones.
• Bug Fixes
  • General
    • Fixed an issue where Unity builds failed when a prefab asset was included in the Resources folder. To resolve this, the internal link between UModeler X editor-only SaveData and Unity assets has been separated.
    • Added Assets > Export Package with UModelerX SaveData menu: Following the link separation above, a dedicated menu was added to safely include Save Data when exporting a package.
    • Fixed an issue where the 'Save Optimized Mesh' feature did not work properly on rigged meshes.
  • Modeling Mode
    • Fixed an issue where the gizmo position became locked when double-clicking the rotation or scale gizmo handle.
    • Modifiers: Fixed system errors that occurred when activating/deactivating objects or while using tools.
    • Mirror Modifier: Fixed an issue where the gizmo did not move in Object Mode.
  • Rigging Mode
    • Bone Tree: Fixed an error that occurred when deleting the currently selected bone.