UModeler X Plus

1 1 52 | december 16, 2025 improvements general improved so that the umodelerize feature can be used inside prefabs improved so that the combine tool can be used inside prefabs the menu for opening prefab instances placed in the scene has been refined open prefab editor in scene opens the prefab editor in context mode for a prefab placed in the scene open prefab editor opens the original asset directly in this mode, tools such as reset x form tool and pivot tool can be used immediately improved so that existing snap settings are no longer overwritten every time the umx snap settings window is opened painting mode the selected channels from layer, properties, map source, and 2d painting have been unified into the map source channel multi object tool combine tool meshes from selected objects are now combined into the last selected object previously, a new object was created bug fixes general fixed an issue where all objects were loaded at once during scene loading fixed an error that occurred when pressing the none button in the snap settings modeling mode fixed an issue where the gizmo translator values continued to change slightly after being edited painting mode fixed an issue where painting colors became darker when uvs were edited after painting started fixed an issue where layer opacity was not properly applied when using the multiply blend mode material tool fixed an error that occurred when deleting a material multi object tool combine tool fixed an issue where data such as uv seams, face colors, and custom normals were not preserved when combining objects uveditor fixed an error occurring in the uv scale gizmo 1 1 50 | november 28, 2025 improvements general the shortcut alt + z now toggles the edge overlay on and off modeling mode follow tool improved some ux aspects now works more smoothly regardless of mesh size no longer operates when the profile and the path lie on the same plane linear array tool added pattern direction and length can now be configured separately or at once auto layout tool improved speed and undo memory performance detach tool improved speed and undo memory performance painting mode layer the background color of the albedo channel has been changed from black to white map source when a normal texture exists, it is now automatically loaded when painting begins bug fixes general added missing data to mtl files when exporting obj fixed an issue where other objects would disappear when switching display modes fixed assembly related errors occurring on certain pcs during installation fixed an issue occurring when undoing after returning from play mode in prefab mode fixed repeated shader recompilation when selecting elements in urp 6 2 modeling mode loop selection tool fixed issue where selection only worked in one direction bevel tool fixed irregular interpolation on flat horizontal edges added dedicated interpolation for 90 degree triple edge intersections pushpull tool fixed an issue where the selected mesh did not update immediately follow tool fixed inconsistent undo/redo results fixed occasional auto closing when the first and last paths matched fixed show detection range not working properly eraser tool fixed issues where undo/redo did not work properly after vertex deletion multi reset x form tool fixed incorrect tooltip text painting mode layer fixed color changes when duplicating a layer fixed color changes when switching colorspace fixed washed out color appearing when starting to paint over an existing texture fixed stickers appearing on the opposite side of thin meshes export fixed darkening of textures during export fixed painting issues on meshes where uv islands are tightly packed fixed selected material mode not being saved after leaving the editor fixed selected resolution not being saved 1 1 49 | november 17, 2025 new features tutorial added an in app tutorial feature bug fixes general fixed a bug where paintdata failed to initialize properly during the first installation painting mode layer export fixed an issue where exported textures appeared darker than intended 1 1 47 | november 6, 2025 improvements general optimized isolation related selection and updates modifier decimate modifier added an option to execute builds whenever the value changes when disabled, a manual build button will appear rigging mode added a simple default rigging structure envelop tool improved to prevent the gizmo from being drawn excessively large weight tool, weight brush tool added a “ remove bone with zero weight ” option that automatically removes bones when their weight value is set to zero if all bones are removed, the root bone will automatically be bound painting mode improved an issue where painting rgba channels on transparent materials caused white edges to blend into the brush stroke uv editor optimized uv island selection and updates features unavailable under the current snap type are now disabled bug fixes general export added additional attributes to mtl files enable gizmo translator ui fixed an issue where this option was not being saved fixed flickering of face selection overlays under certain camera conditions fixed ui errors occurring in unity 6 2 fixed unintended mesh builds that caused lightmap resets modifier decimate modifier fixed malformed faces generated when running on meshes with multiple faces modeling mode multi local setting tool fixed an issue where collider mode did not function in multi mode detach tool fixed an issue where materials assigned to certain faces were unintentionally changed polyline tool improved overall stability flatten brush fixed an issue where it did not function properly on certain vertices mirror object tool fixed undo/redo errors in the editor state of variant prefabs inset tool fixed errors that occurred while modifying options fixed a bug where only one plane applied when working with multiple different planes simultaneously parallel tool fixed issues that occurred when used on distorted planes combine tool fixed a bug where models disappeared when used on objects with different parent hierarchies bridge tool fixed an issue where it did not operate while in face tool mode boolean tool fixed size discrepancies when used on models with parents or roots that have non default scale values multi tool fixed a bug where models became invisible when exiting multi tool mode with display mode enabled painting mode fixed a color shift issue where repeatedly painting with a brush altered the entire layer color depending on color space fixed color inconsistency between rect fill tool and brush tool gradient tool fixed an issue where the renderer remained active upon entering uv editor uvface tool fixed an issue where very small uv faces could not be highlighted or selected by clicking auto layout unwrap tool – rect tool fixed an issue where uvs disappeared when used in vertex or edge mode 1 1 46 | october 24, 2025 bug fixes rigging mode general when an object is duplicated along with its bones, the rigging bone information now correctly follows the duplicated bone data fixed an aabb error that occurred when replacing elements such as the animator root weight transfer tool fixed issues related to loop bones and animation bones 1 0 45 | october 20, 2025 improvements general snap (grid/increment) settings have been synchronized to behave identically with unity’s snap settings gizmo translator replaced the element position editor with the gizmo translator can be enabled in umx display settings you can modify element positions by adjusting the gizmo’s position default recalculate tangents can be configured in preferences sets the default value for the recalculate tangents option when creating umx objects modeling mode deform group improved so that the deform brush now adheres to planar surfaces linear array tool now displays the camera base select option radial array tool now displays the camera base select option multi reset x form tool disabled when in iscontext prefab stage painting mode brush tool improved so the paint brush now adheres to planar surfaces bug fixes general fixed an issue where faces were flipped when importing a mesh exported with quad type and keep quad disabled fixed an issue where opening the prefab editor from a variant prefab instance sometimes altered the instance’s scene position fixed an issue where the snap type was not applied depending on the current gizmo tool fixed an issue where element selection was reversed when using negative scale values fixed abnormal mesh bounds calculation issues fixed an issue where a build process was triggered when selecting an object this also resolves a related bug where lightmap uvs were reset upon object selection modeling mode isolate select tool fixed a freeze issue when selecting faces with holes improved selection speed parallel tool fixed incorrect behavior with nested holes modified so the tool does not operate on non flat faces containing holes mirror object tool fixed an issue where child object helper uis appeared in incorrect locations in prefab editor fixed issues where non default scale or rotation values caused incorrect behavior multi mirror object tool fixed issues when scale or rotation values were not at default settings separate tool fixed an issue where meshes broke when used on rigged models inset tool fixed an issue where adjusting thickness after undo/redo applied changes to unintended areas material tool fixed an issue where material changes were sometimes not applied follow tool fixed an issue when executing along edges without faces rigging mode umodelerize modified so that the base pose is now aligned with the pose contained in the skinnedmeshrenderer painting mode fixed color inconsistencies depending on color space settings fixed an issue where layers were set to blank textures when changing color space settings 1 0 43 | september 27, 2025 hotfix fixed an issue where some face assignments could reset when adding a new multi material in the material tool 1 0 42 | september 25, 2025 improvements general when an error occurs, the command and the currently selected umx object data will be saved in the local/umodererx folder modeling mode multi channel uv support has been added to the following tools connect tool, knife tool, loopcut tool, insert vertex tool, target weld tool, collapse tool, merge tool, weld tool combine tool modified so that in prefab mode, if the root object is not a combine target, it can still be used painting mode clear layer relocated to the layer menu bug fixes general fixed an issue where pressing the delete key in certain modes (rigging, painting, etc ) did not delete the object fixed a bug where concave was not properly recognized during triangulation, causing broken shapes modeling mode element tool fixed an issue where the distance property did not appear when moving fixed errors when extruding shapes with holes shape tool fixed an issue where if the property value was 0 01, it was set to 1 0 during one click build loop select tool fixed an error occurring when used on overlapping faces parallel tool fixed an error caused by picking a missing mesh after undoing the parallel function bevel tool fixed errors when beveling edges that include empty spaces fixed an issue where beveling very small edges forced the width value to a large number connect tool fixed an issue where incorrect faces were created on non flat surfaces inset tool fixed occasional errors when running on complex models vertex color tool fixed an issue where the edge overlay ui was not displayed reset x form tool modified so it cannot be used in editor mode for prefabs placed in the scene rigging mode create rootbone structure now generates at the same position as the model’s transform weight transfer tool fixed an issue where bone indices disappeared if referencing a non existent bone painting mode 2d painting default texture now appears transparent instead of white modifiers ffd modifier fixed an issue when toggling the umx component on and off uv editor lscm tool fixed an issue where lscm did not work while in object tool state 1 1 41 | september 12, 2025 bug fixes fixed a bug that occurred during script reloading in versions prior to 2022 1 1 0 40 | september 11, 2025 improvements general when selecting multiple umodeler objects, edmeshinfo now displays collective data the vertex position editor now works in both edge and face modes and has been renamed to element position editor preferences default color for the painting2d wireframe has been changed to gray (#808080ff) modeling mode edge tool, face tool added a fully contained only option when enabled, elements are only selected if all of their points are fully within the drag selection area follow tool now restricted to detect only edges improved behavior so that starting edge selection doesn't reset under certain conditions painting mode removed background color from the map source users are encouraged to use the fill layer instead modifiers for non topology changing modifiers, skinned meshes are now preserved affected modifiers include ffd modifiers bend modifier push modifier bug fixes general fixed a bug in 2d boolean sketches where triangular holes would disappear fixed loss of rigging and materials when applying umodelerize or umodelerize hierarchy on skinned mesh objects resolved rendering issues when the camera’s near clipping plane value was very small modeling mode drawing tool group fixed mesh corruption when editing properties after drawing on other faces poly line tool, parallel tool now operate in limited cases for convex hulls without holes on non horizontal faces duplicate tool fixed incorrect placement when duplicating child objects of scaled parents fixed undo issues with multi channel uvs pushpull tool fixed unexpected internal faces when boxes are pulled apart in grid state bevel tool now shows warnings and selects problematic edges if bevel cannot be applied fixed uneven beveling in certain areas loopcut tool fixed issue where holes were removed when loop cut reached a face with holes inset tool group option now only available if bridge is enabled fixed intersecting inner edges when bridge is disabled linear/radial array tools fixed gizmo behavior and result inconsistencies with non default root transform corrected parent assignment when used inside prefabs fixed inaccurate display of rotation arc (radial only) detach tool fixed position misalignment when used under scaled parent objects pivot tool disabled in prefab edit mode multi objects tool combine tool fixed loss of child objects during combination fixed incorrect parent assignment for resulting objects rigging mode edit bone tool fixed incorrect rotation values when using the symmetric option disabled create root bone structure in prefab edit mode painting mode object tool fixed errors when used before initiating painting uv editor pack tool fixed issue where uv size changed each time the pack was executed modifier ffd modifiers fixed copy bug after first load when not in focus linear/radial array modifiers fixed gizmo inconsistencies and property mismatch after prefab creation with non default root transform 1 0 39 | august 29, 2025 improvements general export when exporting to obj, material names with spaces or special characters are automatically sanitized gameobject names with spaces or special characters are also automatically sanitized during obj export import umx importer is now enabled by default and used for all imports you can disable it via preferences the import popup window has been removed for a smoother workflow modeling mode disk tool when starting from an edge or vertex, the disk is now created along the face direction in the drag direction rigging mode human avatar tool added descriptive messages when init human avatar cannot be executed due to missing prerequisites bug fixes general prefab fixed size overlay display issues in prefab editor mode fixed unrecognized external umodelerx prefab assets fixed prefab creation bug when dragging scene instances to the project folder fixed missing mesh issue when adding umodeler under a prefab instance fixed bug that deleted prefab assets when duplicating non root prefab objects to the scene fixed error when rigged gameobjects were prefabbed without their bones tool input hint fixed some hints not appearing umodelerize fixed deformation issue when converting certain skinned meshes export obj export now retains hole and edge flip face data import fixed quad information loss when importing obj files with vertex color unity 6 compatibility fixed errors when using net standard 2 1 2d boolean sketch improved precision handling validation fixed improper validity checks modeling mode element tool fixed real time gui update for soft selection fixed scaling issues when moving elements under a scaled parent object connect tool fixed unintended behavior when used after switching from edge to vertex tool fixed missing edge overlays when run in vertex mode bevel tool fixed inconsistent results in concave areas fixed incorrect bevel direction on holes subdivide tool fixed uvs, material index, and face color data loss pivot tool fixed occasional gizmo position display issues multi mirror object tool fixed inconsistencies in mirror position and output rigging mode fixed unintended vertex overlay visibility in non weight tools fixed ui errors when bones used for rigging were deleted fixed bone structure not displaying after script reload painting 3d mode fixed unsaved work in prefab mode fixed uv changes not applying properly during painting rect fill tool fixed unwanted erase behavior when used on mask layers modifier shell modifier fixed refresh issue during initial loading painting 2d editor fixed showwireframe falling below minimum threshold 1 0 38 | august 12, 2025 new features painting mode copy layer right click on a mask or paint layer to copy its content (excluding alpha) to the clipboard also available via ctrl+c / command+c paste layer right click to paste an image from the clipboard onto a mask or paint layer (excluding alpha) also available via ctrl+v / command+v invert layer right click to invert the colors of a mask or paint layer improvements general reduced delay when loading scenes or reloading scripts with many umodelerxeditablemesh objects in the scene modeling mode display mode display settings (x ray, checkered) previously spread across individual tools have been consolidated under umx display settings toggle via shortcuts alt+x, alt+v the classic rulergrid material has been reintroduced as part of display options element overlay vertex and edge visibility options are now available in umx display settings via alt+z multi object tool a new tool allowing unity's built in transform functions (e g , move) while multiple objects are selected painting mode sticker layer default background color is now set to white bug fixes general fixed occasional errors during obj export fixed an issue where obj imports failed to retain materials on multi material meshes prefab editor fixed an issue where prefabs containing inactive objects would sometimes fail to save fixed a bug where backface edges appeared in overlays fixed a rendering error in rigging meshes fixed an issue where umodelerize fbx did not work on meshes without rigging modeling mode detach tool and separate parts tool fixed a bug that left holes in the original face after operation modifiers mirror modifier fixed non functional click to move mirror plane uv editor auto alignment tool fixed abnormal undo behavior painting mode rect fill fixed edge painting issue when triangle option was disabled 1 0 37 | july 29, 2025 new features modeling mode collider mode a new mode where the mesh renderer is always disabled this option can be enabled in local settings and multi local settings tool bug fixes general umodelerize fixed an error that occurred when using umodelerize with a mix of prefab instances and regular objects fixed an issue where picking failed inside closed meshes (like rooms) when using tools such as insert vertex and knife tool modeling mode slice cut tool fixed an issue where the cutting plane could not be changed by dragging pivot tool fixed an issue where the gizmo position could not be changed via input values mirror object tool fixed a mismatch between mirror preview and position when type was set to world fixed an issue where the mirror did not respect the object’s default rotation follow tool fixed an issue where the mesh size overlay did not update immediately after creation modifier fixed an error that occurred when pressing delete with a modifier selected uv editor general fixed an issue where the gizmo was not visible if issnap could not be used lscm tool fixed a crash that occurred on certain meshes 1 0 36 | july 16, 2025 improvements modeling mode linear array tool / radial array tool when is glue is enabled, duplicated meshes will merge with the original mesh face normal tool vertex normals are now displayed per face bug fixes general fixed errors when duplicating objects with modifiers fixed an issue where umodelerize hierarchy didn’t unpack prefab based objects correctly modeling mode face tool fixed an issue where smoothing groups weren’t properly restored after undoing isolate tool fixed occasional errors after selecting faces and switching tools grow tool resolved abnormal slowdown connect tool fixed an issue when used at vertices inset tool fixed errors when changing options mid use vertex/face color tool initial color now defaults to white painting 2d fixed occasional issues where the wireframe was not visible 1 0 35 | july 11, 2025 improvements modeling mode face tool you can now toggle the extrude option using the e key while extruding radial array tool the flip option has been renamed to reverse rotation you can now change the rotation axis modifier radial array modifier the flip option has been renamed to reverse rotation added support for changing the rotation axis painting 3d object mode you can now enter object mode via the top toolbar and exit it by selecting a layer or brush tool bug fixes general fixed an error that occurred when copying with a modifier selected modeling mode face tool fixed an error that occurred when extruding in pan cursor state rectangle tool improved snapping behavior when dragging from the center of a face pushpull tool removed distorted polygons caused when cutting side faces connect tool now works correctly on non planar faces linear array tool / radial array tool fixed an issue where the original mesh was excluded in object type painting mode fixed a bug where switching to a sticker layer while using the erase tool caused improper behavior fixed an issue where painting failed after entering play mode corrected incorrect shortcut hint for init rotation fixed an issue where ctrl + drag strokes could not be undone uv editor pack tool fixed an infinite loop issue when a uv island with zero area was selected 1 0 34 | july 4, 2025 bug fixes element tool fixed a bug occurring when using the extrude feature 1 0 33 | july 3, 2025 improvements general import using umodeler models can now be reimported using default preferences defined in settings modeling mode polyline, arc, parallel, connect tool adjusted property visibility based on tool usage pushpull tool uvs are now better preserved when applied to uv assigned faces bug fixes general fixed an issue where a targetinvocationexception warning appeared on new installations fixed an issue where the obj import dialog remained active unexpectedly resolved namespace conflicts with certain triangulation libraries fixed an issue where the modifier ui would break when returning from play mode with reload domain disabled modeling mode drawing group tools fixed incorrect uv generation related to holes fixed issues with invalid face creation disk tool fixed incorrect positioning when adjusting properties painting mode painting 2d editor fixed color mismatch between 2d and 3d texture previews paint layer fixed unintended blending between stacked layers uv editor move sew tool fixed an issue where uvs inside holes were not moving properly 1 0 32 | june 27, 2025 improvements general tool tip improved the wording of text shown in tool input hint modeling mode edge tool double click now performs loop select or border select , depending on the context connect tool now supports connecting elements inside holes border select tool if a border edge is selected, adjacent connected borders will also be selected if no border edge is selected, all border edges will be selected bug fixes general removed unnecessary messages shown during invalid uv detection fixed occasional errors that occurred when importing obj files modeling mode face normal tool fixed undo/redo issues when repeatedly deleting and recreating normals uv editor pack tool fixed a potential infinite loop issue in certain scenarios fixed invisible move handles being active when issnap was enabled 1 0 31 | june 19, 2025 bug fixes general fixed an issue where changing the material of a meshrenderer while multiple objects were selected only applied the change to one object after saving tool input hint fixed a problem where rich text was not applied in certain unity versions fixed an issue where some tooltips did not display any content modeling mode pushpull tool fixed an issue where boolean operations could not be performed after completing a pushpull action 1 0 30 | june 18, 2025 improvements general 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 1 0 29 | june 11, 2025 new features painting 2d added support for rotating axis , grid , texture , and wireframe by right clicking and dragging the mouse improvements uv editor pack tool uv island sizes now scale proportionally to their actual mesh size during packing the padding property allows adjusting spacing between uv islands fit tool now allows setting global margins for the overall uv layout bug fixes general fixed an issue where certain undo commands were not cleared after exiting prefab edit mode modeling mode favorite tool fixed issue where the tool ui did not appear on right click fixed issue where selecting a tool on one side prevented it from being selected on the other face tool fixed incorrect normal calculation knife tool / polyline tool fixed an issue where dragging to rotate the camera would exit the tool unexpectedly pushpull tool fixed an issue where the last action couldn't be modified via properties right after using the tool linear array tool / radial array tool / mirror object tool fixed missing multi uv channel support in generated meshes fixed an error when executing mirror object tool on meshes with no uvs painting 3d mode brush tool fixed issue where brush strokes were not applied at uv seams uv editor fixed an issue where handles were not displayed in vertex mode 1 0 28 | may 30, 2025 new features general 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 1 0 27 | may 23, 2025 new features rigging mode human avatar 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 1 0 26 | may 13, 2025 improvements rigging mode weight brush tool added backface select when enabled, the brush affects all vertices it passes through, including backfaces bug fixes general fixed an issue where face color and uv params data were not retained when using certain tools modeling mode face tool fixed an issue where extrude did not operate correctly according to the gizmo direction in certain cases subdivide tool fixed an error that occurred when using the tool on unwrapped faces 1 0 25 | may 7, 2025 bug fixes general fixed an issue where picking did not work on small polygons added a merge range setting to umodelerize merge vertex vertices within this range will now be treated as a single point delete umx components fixed an issue where components would reappear after reopening the scene fixed an error that occurred when performing undo/redo after using the feature modeling mode multiobject editor combine tool fixed an issue where multi uvs were not applied modifier mirror modifier fixed an error that occurred when undoing after deleting the modifier uv editor fixed an issue where partial deselection in uv island did not apply correctly 1 0 24 | april 28, 2025 improvements rigging mode 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 1 0 22 | april 18, 2025 bug fixes general fixed an issue where the prefab was deleted after copying and saving a child object of a prefab instance modeling mode inset tool fixed an issue in the command system when performing undo/redo while modifying property values bevel tool fixed a bug that occurred when running the tool repeatedly multi mirror tool fixed an issue when selecting with non umodelerx objects repeat tool fixed a bug where the overlay would disappear when reapplying the bevel tool to vertices material tool fixed an issue where the material was not refreshed when reapplying after undoing a material change uv editor fixed a jittering issue when rotating uvs of faces with inconsistent shapes 1 0 21 | april 9, 2025 improvements modeling mode parallel tool after making an adjustment, modifying the distance value will now allow re editing of the previously created parallel bug fixes general fixed an error related to snapenabled when importing in unity 2023 1 fixed a prefab related error when converting an editable mesh with a sticker layer into a prefab modeling mode erase tool fixed an error that occurred when deleting edges or vertices based on surrounding uv conditions pushpull tool fixed an issue where holes would disappear unexpectedly uv param tool now retains values as much as possible when used within drawing group operations face color tool now retains values as much as possible when used within drawing group operations painting 3d rect fill fixed an issue where the brush shape would appear on mask layers uv editor fixed an issue where uvs inside holes were not selected when dragging in uvface unwrap cancel tool fixed an issue that occurred when undoing a cancel operation multiple object mirror tool fixed a problem when selecting a deactivated prefab object after using the tool 1 0 20 | april 1, 2025 improvements general the debug > mesh detail option has been removed bug fixes general fixed an issue where the umx display settings popup would not appear in certain editor versions modeling mode fixed a performance issue when editing faces with many holed vertices fixed a bug where incorrect faces were generated when a face with holes overlapped with another during a boolean operation arc tool fixed a crash when cutting complex shapes drawing group fixed an issue where only vertices remained in certain modification cases 1 0 19 | march 28, 2025 bug fixes general fixed an error that occurred during unity builds modeling mode duplicate tool fixed a problem when duplicating faces with holes detach tool fixed a problem when detaching faces with holes 1 0 18 | march 25, 2025 new features modeling mode 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 1 0 17 | march 7, 2025 improvements general modeling mode poly line tool added a feature that enables snapping when drawing lines perpendicular to a face bug fixes general fixed an issue where multi channel uvs were not properly converted when using umodelerize fixed a bug where the backface was not visible when the backface option was enabled in certain cases modeling mode element tool primitive shape group fixed an issue with cursor snap updates drawing group fixed an issue where 2d boolean would not apply when drawing on large, slanted faces fixed an issue with cursor snap updates fixed an issue with snap updates when performing undo/redo actions parallel tool fixed an error that occurred when the range was exceeded changed the display method for clipped lines rigging mode fixed a bug where undo/redo operations in rigging mode caused overlay issues multiobject editor fixed a bug where the combine tool was enabled in the prefab stage 1 0 16 | february 28, 2025 improvements general the picking routine used during mouse movement has been replaced to reduce gpu crash occurrences on certain devices bug fixes general fixed an issue where the original mesh was affected during umodelerize improved precision in normal calculations for small faces resolved an error that occurred when converting a skinned mesh object without an animator into a prefab modeling mode shape tool group fixed an issue where picking on slanted faces was inaccurate duplicate tool fixed an issue where multi channel uvs were not copied detach tool fixed an issue where multi channel uvs were not copied multiobject editor shape tool group fixed an issue where picking on slanted faces was inaccurate duplicate tool fixed an issue where multi channel uvs were not copied detach tool fixed an issue where multi channel uvs were not copied multi pivot tool fixed an issue where objects could not be added or deselected multi reset x form tool fixed an issue where objects could not be added or deselected multi material tool fixed an issue where objects could not be added or deselected multi boolean tool fixed an issue where objects could not be added or deselected multi local settings tool fixed an issue where objects could not be added or deselected uv editor fixed an issue where unassigned multi uvs were occasionally generated 1 0 15 | february 21, 2025 new features modeling mode edge tool 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 1 0 14 | february 14, 2025 improvements modeling mode material tool the material applied to the selected face is now highlighted bug fixes general fixed an issue where the normal vector's precision was problematic on small faces fixed an issue where umodelerx meshes would be missing from the mesh collider when converting to a prefab modeling mode element tool fixed an issue where the distance value was not updating correctly stair tool fixed an issue where the vertices of the floor and side surfaces were not properly connected drawing group fixed an occasional error occurring when merging shapes pushpull tool fixed an issue where vertices that should have been removed remained when merging with another face fixed an issue where some vertices split when merging with another face fixed an issue where certain faces that should have been created were missing duplicate tool fixed a bug where meshes containing holes were not properly duplicated in object mode detach tool fixed a bug where meshes containing holes were not properly copied in object mode rigging mode weight mirror tool fixed an issue where vertices on both sides did not match correctly due to precision errors painting 3d mode ai texturing fixed an issue where connection failures or incorrect urls in the stable diffusion webui server caused errors 1 0 13 | february 7, 2025 improvements rigging mode 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 1 0 12 | january 22, 2025 bug fixes general fixed an issue where builds were failing during the unity build process 1 0 11 | january 21, 2025 bug fixes general fixed an issue where nullreference errors occurred every frame after creating a prefab from a umodelerx object rigging editor root bone settings are now saved even without initiating start rigging create bone structure objects are now automatically added to the geogroup when the button is pressed 1 0 10 | january 17, 2025 new features general 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 1 0 9 | january 14, 2025 improvements modeling mode polyline tool 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 1 0 8 | january 9, 2025 new features 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 1 0 7 | december 31, 2024 new features modeling mode 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 1 0 6 | december 27, 2024 fixed routines causing issues during unity builds 1 0 5 | december 19, 2024 new features general element id selector a new menu for exploring elements by id has been added you can access it through tools > umodelerx > element id selector repeat tool reuse the last immediate mode tool press the ';' key on the keyboard to activate it improvements general umx snap setting improved to be used via a popup window in the toolbar modeling mode element tool added a snap rotation feature that rotates based on another object's vertex relax brush tool strength value now applies only up to a maximum of 1 0 smooth brush tool strength value now applies only up to a maximum of 1 0 align tool icon has been updated bug fixes general fixed a bug where the first saved object was rebuilt when reloaded fixed issues occurring after vrchat uploads modifier fixed a bug causing some modifiers to rebuild unexpectedly modeling mode pivot tool fixed a bug where the gizmo appeared in the wrong location when the tool was first launched mirror object tool fixed an issue where shortcut access to docs was not working 1 0 4 | december 6, 2024 new features multiobject editor mirror object tool now available in multiobject editor, extending its functionality beyond single objects improvements modeling mode mirror object tool preview functionality has been added mirror object tool uv preservation is now supported bug fixes general fixed an issue where button icons on the umx toolbar were not visible after installation resolved issues with missing data (uv seam, face color, face normal, uv param) when copying objects or saving scenes multiobject editor pivot tool fixed issues with modifiers affecting pivot settings painting2d editor fixed errors occurring when enabling "show wireframe" without selecting a layer in the painting window 1 0 3 | november 29, 2024 improvements general 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 1 0 2 | november 26, 2024 improvements general umx settings toolbar enabled by default when loading a scene improved performance in the inspector by optimizing byte stream handling when selecting saved data prevented direct addition of umodelerxeditablemesh as a component to avoid potential issues modeling mode collapse tool, merge tool, bridge tool preserve uvs upon execution bevel tool retains previously used width values rigging mode envelope tool capsules are no longer displayed above the root bone pen pressure pen toggle now displayed in brush ui bug fixes general fixed unity build issues resolved selection sync warnings during script reloading fixed property reloading warnings rigging mode envelope tool capsule sizes now match the bone and undo/redo issues with capsule resizing are fixed uv editor fixed cases where uv unwrap states were not updated when toggling multi channel uvs plane unwrap tool side unwrapping now aligns with the y axis hotspot editor resolved issues with certain icons not appearing on small screens fixed background flickering when both hotspot and uv editor are open export reduced export time in specific environments 1 0 1 | november 20, 2024 bug fixes fixed an issue where button images would not change on mouse hover or click 1 0 0 | november 20, 2024 new features 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 rigging mode envelope tool fixed show handler functionality 0 92 3 | november 5, 2024 improvements modeling mode vertex tool double clicking a vertex without pressing any keys selects all connected vertices (isolation select tool) rigging mode weight tool double clicking a vertex without pressing any keys selects all connected vertices (isolation select tool) ui commentary error logs are no longer displayed, and the overall size is reduced umx snap setting adds options for none, world, and increment painting 2d editor indicates that the slider controls brush size bug fixes general fixed an issue where the gpu safer option was not saving resolved issues with loading older umodelerx versions modeling mode shape tools fixed a bug where undoing and redoing the one click build function changed the model's position material tool resolved an issue where adding materials mixed up existing face materials connect tool fixed an error when using the connect tool with soft selection enabled, then undoing rigging mode weight tool fixed abnormal rigging weight display upon vertex selection uv editor resolved an error occurring when reloading scripts while the uv editor is active 0 92 2 | 2024/10/29 bug fixes fixed a bug occurring in the rigging ui 0 92 1 | 2024/10/29 new features uv target weld in uv editor's vertex mode with "is snap" enabled, selected vertices can be moved to the position of nearby vertices improvements modeling mirror object tool creates a mirrored object after cutting part of the model by the mirror plane painting3d material added a checkbox to toggle all materials on and off material material activation status is saved until exiting the scene bug fixes general preference fixed an issue where the reset function did not work properly resources removed warning messages for icon resources shortcut resolved an issue where the uv editor's "weld and break" functions did not appear in shortcuts fixed a bug where some polygons temporarily disappeared when duplicating umodelerxeditablemesh with high polygons modeling mode face normal tool fixed undo and redo issues after using the tool bridge tool resolved an issue where selected elements remained after using the bridge function rigging mode improved weight value sorting when building rigs build bone tool enhanced head bone position prediction during creation painting3d corrected a gamma correction error when exporting normal maps 0 92 0 | october 24, 2024 new features painting mode added a "height as normal" option to map source , enabling the use of height maps as normal maps improvements modeling mode bevel tool the maximum number of segments has been increased to 64 bug fixes fixed an issue where some saved data could be lost if model names overlapped when saving scenes in unity 6 0 or higher 0 91 6 | october 22, 2024 new features modeling mode mirror object tool you can now execute the mirror function at the object level improvements modeling mode primitive shapes group apply shape name you can toggle whether the name of a newly created object will automatically be set to the shape's name pushpull you can double click to repeat the previous action inset tool you can double click to repeat the previous action flip tool the tool group has been changed to surface bug fixes general clear unused asset fixed an issue where it would not work if the scene file was not in the scene folder fixed an issue where it only applied to the active scene if multiple scenes were open in the editor umodelerize fixed a bug where the keep quad option in fbx settings did not work correctly for multi materials modeling mode element tool fixed an issue where the rotation direction was not applied correctly during local rotation fixed an issue where the distance value could not be modified after entering 0 fixed an issue where negative values could not be entered for distance fixed an issue where the distance value did not continuously change during handle manipulation fixed a bug where the pivot center did not align with the selection order connect tool fixed an error occurring during edge selection after connect face normal tool fixed an issue where redo did not update properly local settings tool fixed an issue where the recalculate tangents option did not update immediately when enabled rigging mode weight tool fixed a bug where the editor inspector values did not update during undo/redo reset envelope fixed a bug where the reset envelope button did not work multi object editor material tool fixed a bug where redo did not apply when changing materials for multiple objects local settings tool fixed an issue where the recalculate tangents option did not update immediately when enabled 0 91 5 | october 15, 2024 improvements modeling mode connect tool the edge created right after using the tool is automatically selected bug fixes general fixed an error when opening umodelerx editable mesh in unity's prefab instance ui clear unused assets fixed an issue where non existent file paths were accessed modeling mode element tool fixed a bug where the gizmo moved incorrectly when extruding with the handle set to pivot align tool fixed an issue where the align tool couldn't be reapplied after use custom normal tool fixed an error that occurred when loading related data multiobject editor combine tool fixed a non functional bug painting mode fixed an error where mask channels were incorrectly selected when switching layers 0 91 4 | october 10, 2024 new features modeling mode align tool align vertices of a model according to a specified reference painting mode when using a tablet, the brush opacity and size can be adjusted based on pen pressure fixes general saving fixed an issue where some data was not saved when the scene name was duplicated addressed issues caused by loading uvparam and facenormal data fixed an error occurring when loading a prefab for the first time snap panel ui now activates at its minimum size renamed to umx snap settings overlay fixed an issue where the overlay for selecting backfaces was not displayed resolved a problem where selected element overlays were not shown when display wireframe was off fixed an issue where only the first material was duplicated for multi material umodeler x objects corrected errors when duplicating umodelerx objects with element selection modifiers array modifier fixed an issue where independent selection didn't work properly after applying the array modifier in certain situations mirror modifier fixed improper application of the mirror modifier on models with altered scales modeling mode element tool resolved a problem where other tools were activated during movement pushpull tool removed unused properties array tool fixed overlays that remained after deleting some elements while using the array tool array tool fixed an issue where the size overlay was not updated after applying the array tool detach tool fixed a bug where the default type wasn't updated if the ui was not activated uvparam tool resolved a scaling issue when applying tiling uvparam tool fixed a problem where faces were inverted on certain planes face normal tool added the ability to change the length, thickness, and color of normal vector lines painting mode painting layer fixed an issue where layers were mixed during loading painting rectfilltool corrected an issue where the camerabased setting was not applied in island fill uveditor align tool fixed an undo error that occurred when only two uvs were selected 0 91 3 | october 2, 2024 fixes multi object editor boolean tool fixed an issue where an error occurred during boolean operations between unwrapped meshes pivot tool fixed an issue where the handle moved abnormally when adjusting the pivot position of a scaled model shortcut fixed a shortcut error occurring in projects with probuilder included 0 91 2 | september 27, 2024 new features clear unused assets removes unused data from the scene's umodeler folder fixes general fixed scene loading errors caused by empty umodelerx objects resolved bone structure loss when opening/closing rigging mode in prefabs shortcut fixed mouse input issues in unity 6 0+ modifiers add modifier fixed layout clipping on dual monitors radial array modifier fixed axis distortion in perspective view subdivide modifier resolved preview overlay bugs modeling mode vertex position editor tools tab to activate window; removed show element position editor option from inspector facetool fixed incorrect normal calculations in smoothing group radial array tool fixed axis distortion in perspective view slicecuttool fixed missing face issue after cuts uvparamtool updated ui for uvparam settings rigging mode bone tree fixed overlay not updating when selecting weighted bones animation root fixed improper value updates painting mode fixed undo errors during tablet pressure brushing added exception handling for ai image generation parameter errors rect fill tool fixed malfunction in iso mode uv editor fixed highlighting issues in uv editor window fixed face highlight refresh issue weld and break saw tool fixed uv overlay refresh after execution painting2d editor fixed wireframe display issue export fixed disappearing models during export and incorrect type application when exporting to triangle optimized or quad formats multiobjecteditor combine tool fixed issue where child gameobjects disappear when combining 0 91 1 | september 17, 2024 fixes pushpull tool fixed an issue where surrounding faces were regenerated incorrectly when using the pushpull tool 0 91 0 | september 16, 2024 new features pushpull tool a tool that allows you to push and pull rectangular shapes for modification fixes drawing group fixed an exception that occurred during 2d boolean operations 0 90 0 | september 13, 2024 new features modeling mode drawing group rectangle tool when used on other faces, it applies 2d boolean operations disk tool when used on other faces, it applies 2d boolean operations side stair tool adds a stair shaped 2d object when used on other faces, it applies 2d boolean operations add group linear array tool added a tool for copying and arranging selected elements in a linear direction radial array tool added a tool for copying and arranging selected elements around a circle modifications grid snap panel the grid snap panel window has been improved multiobject mode fixed an undo issue with the material tool modeling mode fixed an issue where some modifiers were not displayed in certain situations shape tool group fixed a crash error that occurred during shape tool manipulation shape tool group added negative height functionality for 3d shapes line tool added functionality to cancel actions using the right mouse button shrink select tool fixed an error that occurred when using the tool painting mode the behavior of the overlay blending setting in the painting layer has been adjusted