Preferences : The minimum value for wireframe-related settings has been adjusted to 1.
UModelerize : When UModelerizing a prefab or model such as OBJ/FBX, a dialog now allows unpacking and UModelerizing in one step. This behavior can be configured via Preferences.
Tool Input Hint : A shortcut to open the manual has been added and is now displayed in tooltips.
Modeling Mode
Elements Group Tools: Added a Preserve UVs option, which moves UVs proportionally when elements are moved.
Drawing Group Tools: Now better preserves UVs when editing planar surfaces with UVs.
Quadify Tool: Added an option to preserve UVs during quadification.
Painting & Rigging Mode
Object Tool: A reworked version of Object Mode, allowing users to exit edit states across both modes. Accessible from the top toolbar.
Painting 2D Editor
While holding Shift, canvas rotation now snaps in 15-degree increments.
Bug Fixes
General
Preferences: Corrected the position of the Reset to Default button.
Modeling Mode
Align Tool: Fixed an issue where the tool did not operate continuously.
Slice Cut Tool: Fixed an issue where the axis rotated incorrectly when rotating the cutting plane.
Painting 3D
Fill Layer:
Fixed thumbnail and preview rendering when using Rotate and Tile values.
Fixed alpha rendering issues under certain conditions.
Tool Input Hint: A new Tool Input Hint button has been added below the EdMesh Info in the top-left corner of the Scene view. Clicking this displays available actions and shortcuts for the active tool. This button can be toggled in Preferences.
Improvements
Added import option settings for .obj files.
Improved performance when working with high-polygon meshes, including selection, picking, using the Decimate Modifier, and mesh building.
UModelerize
UModelerize no longer creates a duplicate object; it now directly converts the original object into a UModelerX object. An exception applies to FBX/OBJ prefab instances, which must be unpacked before UModelerizing.
You can now UModelerize FBX assets directly from the Project view via the UModelerX > UModelerize FBX menu. This creates a new prefab with UModelerX data.
Scene Toolbar
The “Enable Scene Toolbar” setting now ensures all toolbar buttons are fully hidden when disabled.
Rigging Mode
Added tooltip explanations for the Disable GPU Option.
Favorite Tool
Pivot and Reset X Form tools have been added to the default Favorite Tool list.
Bug Fixes
Modeling Mode
Fixed issues where manual links were not properly created in certain tools.
Fixed abnormal UV generation when using the Stair Tool.
Body Bone Auto Setup: Automatically configures Human Body Bones based on bone names. This uses Unity’s required bone set as a reference.
Clear Body Bone Data: Clears all assigned Human Body Bones.
Improvements
Modeling Mode
Delete GameObject: Pressing the Delete key now removes the GameObject. The only exception is when using Erase in the Element Tool after selecting an element.
Escape Tool: Right-click now exits to the Object Tool. This action does not trigger if dragging occurs. For tools like PolyLine and Knife, it exits their active state.
Painting Mode
Color Picker: Improved color picker functionality in both 2D and 3D Painting. Pressing the ‘I’ key while using the Brush or Fill Tool now brings up the picker, which captures the exact on-screen color.
Rigging Mode
Build Bone Tool: The Turn 90 button has been removed to clarify bind pose setup. Going forward, humanoid rigging should start from the front-facing direction.
Renamed bones in the Human rig structure to match Unity’s avatar naming convention.
Rigging Tool: Clicking on an empty area now deselects the currently selected bone.
Bug Fixes
Modeling Mode
Rectangle Tool: Fixed an issue where adjusting values while working over existing faces caused errors.
Disk Tool: Fixed an issue where adjusting values while working over existing faces caused errors.
SideStair Tool: Fixed an issue where adjusting values while working over existing faces caused errors.
Bridge Tool: Fixed a bug where the tool wouldn’t activate when two connected edges were selected.
When using Rigging tools without a properly configured avatar, a warning log will now be displayed instead of an error popup. The log will indicate which bones require setup.
UV Editor
Scale Gizmo: Adjusted the scaling ratio of the gizmo and prevented the minimum value from going below 0.
Bug Fixes
General
Fixed a data loss issue when overwriting a prefab instance with a non-prefab object if multiple prefab instances already existed in the scene.
Fixed errors that occurred when loading models from older UModelerX versions.
Fixed a race condition issue related to EdgeSeam during mesh building.
Fixed a conflict issue with the Unity PolyBrush package.
Fixed an issue where the selection color would sometimes turn white when installing a new package.
Fixed an error related to Avatar settings when Umodelerizing a SkinnedMesh.
Rigging Mode
Fixed a bug where some bone data was incorrectly copied when modifying the bone hierarchy.
Favorite Tools: A Favorite Tools tab has been added to the top of the Modeling Mode interface. You can right-click on tool icons in the modeling editor to add, remove, or reorder them. If all tools are removed or the Show Favorite Tools option under Preferences > Modeling is disabled, the tab will disappear.
Painting 3D
Group Filter: A filter feature has been added to group layers, affecting all layers within the group.
Brightness / Contrast: Adjusts brightness and contrast.
Hue / Saturation: Modifies hue, saturation, and lightness.
Blur: Applies a blur effect.
Improvements
General
Improved the picking snap range for vertex/edge highlights.
Modeling Mode
Changed the shortcut for re-executing Parallel and PushPull tools with the same value from double-click to Shift + Left Click.
Painting 3D
Adjusted brush spacing intensity for smoother control.
Fixed an issue where brush opacity was applied too strongly.
Bug Fixes
General
Fixed incorrect picking behavior when the mouse was stationary in certain routines.
Resolved smoothing, undo, and redo issues when a face touched an edge-only structure.
Fixed a hang issue when deleting multiple UModeler objects at once.
Modeling Mode
Element Tool: Fixed an issue when deleting elements related to holes.
Edge Tool: Fixed a bug where double-click selection didn’t work on face hole edges.
Arc Tool: Fixed incorrect face detection when clicking on an edge or vertex adjacent to a face.
PolyLine Tool: Fixed an issue where multiple edges did not properly split a face.
Side Stair Tool: Fixed a problem where the side stair was not drawn correctly.
Parallel Tool: Fixed a bug that occurred when repeating click-to-create actions.
Loop Selection Tool: Fixed a bug where the tool didn't work on face hole edges.
PushPull Tool
Fixed an issue where closely spaced vertices would merge incorrectly.
Fixed a bug where vertices that should remain were deleted when pushing to the limit.
Bridge Tool
Fixed an issue when used on edges without adjacent faces.
Fixed an issue when used on vertices without UVs.
Bevel Tool
Fixed a bug where unnecessary faces were created or certain faces disappeared when beveling a model with holes.
Painting 3D
Fixed an issue where the brush preview was not displayed on Mask and Paint layers.
Painting 2D
Fixed an issue where the brush preview was not displayed on Mask layers.
Preference
Fixed an issue where related options were not updated when changing the White Box Mode setting.
Smoothing Sharp Edge: Now available in the Edge Tool, allowing users to set the Sharp property for edges within a smoothing group.
Arc Tool: A tool for drawing arc lines. Users can drag a line, specify the curvature, and click again to finalize the arc.
Segments: Defines the number of vertices along the arc. Adjust the count by dragging and using Shift + mouse wheel.
Force Closed: Creates a closed shape based on the drawn arc.
Parallel Tool: Generates an edge parallel to the nearest edge from the mouse cursor and cuts the corresponding face accordingly.
Bug Fixes
General
Fixed an issue where models would disappear when applying UModelerize to models without UV data.
Resolved an error that occurred when loading models containing multiple face holes.
Modeling Mode
Poly Line Tool
Fixed an issue where cutting a face with holes using the Poly Line Tool would remove the holes.
Known Issue: Due to routine changes, existing UV interpolation and retention in the Poly Line Tool are currently not working. We will address this as soon as possible.
Weld Tool: Fixed an issue that occurred when holes were present.
Inset Tool: Fixed an issue where setting a very small Thickness value and double-clicking to reuse the tool would not retain the previous value.
UV Editor
Fixed an issue where edges, faces, and islands were not actually deselected when attempting to do so.
Create Root Bone Structure: The "Root" property and generated object names have been modified.
Build Bone, Edit Bone Tool: Tooltips have been added to the Build Bone and Add Bone buttons, indicating that new bones will be created from the selected bone.
Bug Fixes
General
Fixed an issue where the Humanoid model's bone structure was incorrectly recognized during the UModelerize process.
Modeling Mode
Edit Mode: Fixed an issue where the Up Arrow and Down Arrow keys did not function properly.
PushPull Tool:
Resolved issues where some features were not functioning as expected.
Fixed a bug where the Min/Max values of the PushPull tool were incorrectly set.
Painting Mode
Corrected an issue where certain Blend Modes applied to layers did not work properly.
Rigging Mode
Fixed a problem where the Fbx Exporter did not function when using the Create Root Bone Structure feature.
Beta Tools: Tools in the beta stage, marked with a green icon, are feature-complete but undergoing bug fixes and stability improvements.
Experimental Tools: Tools still under significant development, marked with a blue icon, may experience major changes or removal. Experimental tools can be enabled via the settings menu.
Bug Fixes
General
Fixed an issue where Undo/Redo operations would become misaligned after a script reload.
Modeling Mode
Create Shape As a New Object: Resolved an issue where the pivot position of a new shape would incorrectly match the previous object's pivot position when this option was enabled.
PushPull Tool:
Expanded collision detection from nearby edges to all faces for improved accuracy.
Fixed errors occurring when using PushPull on holes.
Export
Resolved an issue where vertex color values were not correctly exported during Ply Export.
Added functionality to split faces with line tool click points that intersect with faces. However, splitting a face into parts by passing through a hole is not allowed.
The PolyLine Tool now preserves UV unwraps as much as possible when splitting faces.
InsertVertex Tool
Maintains UV unwrap integrity as much as possible for faces around the newly added vertex.
Bridge Tool
No additional faces will be created if the faces already exist.
Bug Fixes
Modeling Mode
Shape Tools
Fixed an issue where mouse picking during shape creation was not working properly.
Element Tools
Resolved a rendering issue where backfaces were not displayed during Backface Select in URP.
UVEditor
Unwrap Tools
Fixed a bug where UVs of holes were incorrectly positioned during unwrapping.
UModelerize Prefab:This new feature allows you to convert prefabs into UModeler X objects seamlessly. You can choose to either modify the original prefab directly or create a separate copy, providing flexibility based on your workflow needs.
Bug Fixes
Modeling Mode
Vertex Tool:
Fixed an issue where path selection using double-click did not work.
Inset Tool:
Resolved a bug where property adjustments after face selection were not functional.
Fixed an issue where undoing actions caused the mesh structure to break.
PushPull Tool:
Adjusted to ensure debug messages are no longer displayed unnecessarily.
Height Snap now only activates when the Control key is pressed.
PolyLine Tool:
Fixed an issue where faces could invert at certain positions when concave shapes were present.
Resolved a problem where undoing line creation caused snapping errors, resulting in duplicate vertices at the same location.
PolyLine Tool: A tool for creating consecutive lines. If the lines form a face, the face is created based on the camera's view direction. Sketch-based operations (e.g., hole creation, face trimming) are supported when overlapping with a plane.
Custom Coordinate Tool: A user-defined coordinate system tool has been added to the Misc group, allowing users to configure and view custom coordinates in the Coordinate Toolbar.
Improvements
Modeling Mode
Element Tool: Snap Rotation is now available in the Element group's Translate section, allowing vertex alignment by click-dragging to face another vertex.
Connect Tool: Users can now set the option to select edges after using the tool via Preferences > Modeling > Selection After Connect.
Rigging Mode
Create Root Bone Structure: A button has been added to generate objects suitable for UModelerX rigging workflows.
Bug Fixes
General
UV and Hotspot Editor: Fixed color mismatches between the editor's textures and Unity's preview.
Export: Resolved issues when exporting .obj models with multiple materials.
Fixed issues when saving UModelerX objects with scene folder save options enabled in multi-scene setups.
Added support for multi-UV channels in UModelerize.
Modeling Mode
Weld Tool: Adjusted to preserve UVs.
UV Editor
UVSelect Tool: Modified to ensure that if the drag start point is a UVFace, holding Shift or Control will activate the Rect Select function instead of moving the face.
Bug Fixes
General
EdMesh Info: Fixed an issue related to memory garbage collection.
Modeling Mode
Eraser Tool: Resolved an issue where the tool caused models to disappear when used on unwrapped models.
Bridge Tool: Fixed a problem preventing the tool from functioning on unwrapped models.
UV Editor
Fixed issues related to saving multi-UV channels.
Resolved a bug where the Island Boundary update was delayed when switching UV channels.
Fixed a bug that occurred when updating UVIslands while changing UV channels.
UVFace Tool: Fixed an issue where leftover loops remained after canceling UV selection.
Unwrap Tool Group: Ensures the current UV channel's creation state is checked during unwrapping.
UVIsland Tool: Corrected a bug where all UVIslands were selected regardless of the current material.
Auto Layout Tool: Fixed issues occurring with multi-UV channels.
Sew Tool: Resolved problems related to multi-UV channels.
Move Sew Tool: Fixed issues occurring with multi-UV channels.
Hotspot Layout: Automatically arranges UVs of selected faces based on predefined layouts or applies UV layouts to unwrapped faces during building.
Modeling Mode
Separate Parts Tool: Creates new objects by separating unconnected parts of the selected object.
Follow Tool: Generates new 3D models by moving a profile (face) along a specified path.
Rigging Mode
Human Avatar Tool: Adds a tool to configure human-type avatars by adding an Animator to the Animation Root and linking it with a humanoid avatar.
UVEditor
Multiple UV Channels: Allows editing UVs on channels other than channel 0, requiring activation after selection.
Delete UMX Component: Removes UMX Components from the current scene, prefabs, or selected objects.
Improvements
General
Gameobject: Naming rules for new objects and modifiers now follow Unity's conventions.
Object Menu: Right-clicking in the hierarchy window provides access to UModelerX object creation via 3D Object > UModelerX.
Preferences: Options split into Editable Mesh, Modeling, and Rigging. Added new settings like saving mesh data in the scene folder and a Hotspot Editor.
Export: Faster export times and uses a period (.) as the decimal separator.
Modeling Mode
DisplayMode: Xray Mode merged into Display Mode with a new Checkered Mode that changes materials to checkered patterns.
Rigging Mode
Overlay Animation: Displays animations overlayed on the current bone structure.
Symmetry Mode (Bone Only): Allows mirrored selection and control for bones with matching names, excluding "Left" or "Right".
Rigging Tool Groups: Divided into Weight Group (vertex weight editing) and Bone Group (bone-related functions).
Weight Mirror Tool: Automatically identifies and mirrors bone weights using keywords like L, R, Left, and Right.
UI
Commentary: Warning logs are no longer displayed.
EdMeshInfo: SceneView's EdMeshInfo Panel is smaller with customizable info toggles.
UMX Setting Toolbar: Toolbar added for SceneView (Unity 2021.1+) or a button for older versions.
Others
Line Tool moved to Add Group and renamed Knife Tool.
Bug Fixes
Fixed issues where UModelerize failed on certain models and Mirror Modifier did not build during object duplication.