1.2.0f2 (2026-05-08)
Improvements
Modeling Mode
- Element Tool
- Added integration between the Element Tool in Modeling Mode and the Element Tool in the UV Editor.
- Updated the Backface Select option so that when it is enabled, an overlay similar to X-Ray Mode is displayed. This option can be disabled in Preference > Modeling.
- Loop Cut Tool: Added the ability to create a loop cut based on the cursor position when moving over a mesh that supports loop cuts while holding Shift.
UMX Picoberry
- Asset Library
- Improved the display of models available in UMX.
- Improved support so that all assets created on the web are displayed properly.
Painting 2D
- Move Tool: Changed the shortcut for the Move Tool to V and the shortcut for Move Mode to Ctrl.
Bug Fixes
General
- Preference: Fixed an issue where the UI for changing the default font of the Text Tool did not work.
- Prefab Stage: Fixed a bug where, when using the UV Editor for a UModelerXEditableMesh in the Prefab Editor, exiting the prefab during use and immediately re-entering it would cause the editor to stop progressing after clicking.
- UMX Gltf Importer: Fixed an issue where errors occurred when importing certain models.
- Package: Removed USS-related warning logs that appeared during the first installation.
- Fixed an issue where help links opened with Ctrl + Alt + Click did not work.
Modeling Mode
- Combine Face Tool: Fixed a bug that occurred when the tool was used in cases where faces could not be combined.
- Face Normal Tool: Fixed errors that occurred when using this tool after using certain features such as the Subdivide Tool or Remesh Tool.
Rigging Mode
- Fixed a bug where the right-click context menu in the rigging bone tree appeared at an incorrect position.
UV Editor
- Key Modifier: Fixed an issue where errors occurred when pressing the Shift, Ctrl, or Alt keys.
Painting Mode
- Prefab: Fixed an issue where errors occurred when unpacking a prefab after painting.
- UV: Fixed an issue where freezing occurred when editing UVs after starting painting.
Multi Object Editor
- Combine Tool: Fixed an issue where the material list was not properly refreshed when undoing a combine operation.
1.2.0f1 (2026-04-30)
Improvements
Picoberry
- Safari SSO login support added.
Modeling Mode
- Remesh tool now available on macOS.
Painting 2D
- Selection area border visibility improved on transparent textures.
- Eraser tool on the mask layer now behaves identically to a white brush.
Painting 3D
- Group filter UI modified.
- Solo button UI modified.
General
- Gen3D window moved to Window > UModelerX menu.
Bug Fixes
General
- Fixed an installation error in Unity 6.3.13.
- Scene toolbar settings in Preferences now apply immediately.
Commentary
- Message-type restrictions during undo/redo operations are now applied.
- Commentary display in the UV editor and hotspot editor restored.
Modeling Mode
- Corrected normal-vector length-zero errors during smoothing.
- Improved element selection reset for certain tools.
- Resolved text clipping issues in UI properties.
- Fixed lightmap data corruption from unexpected builds.
- Corrected the bevel flip issue on concave n-gons.
- Bevel UV map interpolation from existing data is now applied.
- Resolved separate-parts tool undo/redo errors in prefab state.
- Improved tool execution speed.
- Corrected vertex color brush missing data.
- Fixed deform group tools missing brush data.
- Resolved property modification errors in group tools.
Painting 3D
- Corrected eraser tool application.
Painting 2D
- Resolved asset texture selection issues.
- Fixed edit mode cancellation when clicking outside the target area.
- Eliminated bucket tool warnings on the mask layer.
- Eraser tool brush strokes are now continuous.
- Layer order in nested groups can now be changed properly.
- Fixed free transform selection area expansion.
- Corrected low-opacity area drawing with Repeat enabled.
1.2.0 (2026-04-22)
New Features
Painting 2D Window
- Layer system applied from Painting 3D with improved overall usability.
- New tools added for 2D painting including selection, free transform, text, and shapes.
- Independent texture editing — directly edit textures in asset paths or create new textures.
- Tablet integration with support for tablet connections and improved pen pressure sensitivity.
PicoBerry AI
- Available from April 27, 2026.
- AI integration for image-to-3D platform within the editor.
- Generate 3D models by uploading images.
- Asset management with grid and list view switching, pagination, multi-selection, and batch placement.
- Generation queue notifications, remaining generation count display, and source image viewing.
Workflow Optimization
- Drag-and-drop import support.
- Auto web login.
- Analytics integration.
General Notice System
- In-app notice display feature for major announcements within the editor.
Improvements
General UI
- Context menu completely replaced with a UIToolkit-based version for a cleaner interface.
- Significantly improved Inspector UI loading speed and Unity build times.
- Up/down arrow key navigation supported in list trees.
- New About menu added.
Favorites & Shortcuts
- Frequently used tools can be easily managed with drag and drop.
- Dedicated shortcuts for each window and material tool.
Preferences
- Search bar added.
- Tab sorting added for quick option discovery.
Rigging Mode
- New rigging tree integrated with features moved from edit bone.
- Intuitive bone manipulation using drag and drop and right-click menus.
- Direct, precise manipulation of bone transform (position, rotation, scale).
Painting Mode
- Drastically improved texture saving speeds through mask layer preview caching.
- Optimized dirty settings reducing drag-related delays.
Bug Fixes
General
- Resolved multiple prefab system stability issues including object/material loss and error codes.
- Fixed lag issues when selecting meshes in the scene.
- Corrected parameter input errors.
Modeling Mode
- Fixed face normal connection issues during quadify.
- Corrected material path recognition when importing OBJ files.
- Resolved edge constraint–related errors.
- Fixed an intermittent error when deleting umodelerize.
- Remesh tool now available on macOS.
Rigging Mode
- Duplicating rigged objects no longer incorrectly references the original skeleton.
- Resolved undo function errors.
Painting 3D
- Metallic and smoothness values are now properly set on objects.
- Fixed a texture color alteration bug when opening scenes.
Painting 2D
- Selection area border visibility improved on transparent textures.
- Eraser tool on the mask layer now behaves identically to a white brush.
- Resolved asset texture selection issues.
- Fixed edit mode cancellation when clicking outside the target area.
- Eliminated bucket tool warnings on the mask layer.
- Eraser tool brush strokes are now continuous instead of disconnected.
- Layer order within nested groups can now be changed properly.
- Fixed free transform feature selection area expansion.
- Corrected low-opacity area drawing with Repeat enabled.
Other Fixes
- Resolved lightmap data corruption from unexpected builds.
- Bevel tool reactivated with improved DLL usage.
- Corrected bevel flip issue on concave n-gons.
- UV map automatically generated when applying bevel.
- Fixed separate-parts tool undo/redo errors.
- Corrected vertex color brush missing data.
- Fixed deform group tools missing brush data.
- Applied commentary message-type restrictions during undo/redo.
- Restored commentary display in UV and hotspot editors.
- Fixed normal-vector length-zero errors during smoothing.
- Corrected element selection reset for certain tools.