Indie License for those earning less than a 100k EUR a year.
[UVReactor v1.4.4]
– Fixed a small selection sync issue when undoing/redoing uv topology changing operations.
– Fixed interactive 3dsmax viewport update when transforming shells.
[UVReactor v1.4.3]
– Fixed a topology cache issue caused by UVReactor and the Undo system when native tools are used. This is a CRITICAL CHANGE!
– Fixed undo instability when doing UVReactor operations and undoing them. (especially those, changing the UV topology)
[UVReactor v1.4.2]
– Refactored the complete selection snyc, notification and undo/redo system.
– Improved reliability and stability.
[UVReactor v1.4.1]
– Fixed long startup issues.
– Fixed Non-recognizable .dll issue.
– Fixed trial issue.
– Fixed issue when using debugger.
– Fixed Flatten discrepancies.
– Fixed slight slowdowns when using Show End Result while changing modifiers.
– Fixed maxscript RTUVExtInterface bindings.
– Fixed Uniform Straighten (Quad Straighten).
– Fixed rare crashes on trash geometry when using Flatten (No Overlap).
– Fixed crash when resizing the rollup panel.
– Fixed Packer miss in some edge cases.
– Fixed cross affect between cluster when pinned.
– Fixed Peel Flatten Type swap, now uses the correct selected algorithm.
– Fixed crash when selection depth is layer mode.
– Fixed selection restore which happened after a double undo.
– Fixed notification glitches and simplified code base.
– Fixed double draw calls.
– Added Importance Weight Multiplier for Soft-Selection based Area Preserve.
– Added Cap mode for interior holes.
– Added compatibility to loop selection on seams as well.
– Added Texel Density, Stiff and Flexible modes to Live Flatten mode.
– Added Angle Based loop selection.
– Added UV Topology Display switch with offset multiplier to 3dsmax viewport.
– Added missing default values to default value setup.
– Added Marque tool colorization to the color setup settings.
– Added Vertex Weld.
– Added Modifier Stacked Shell support with shared UV vertices, reducing the mem usage. (On base object, max can’t handle everything. Only for mod for safety reasons)
– Added Blender, Maya and RizomUV Theme preset and the one I use.
– Modified Old unstable version for Flatten (No Overlap) code has changed and updated.
– Modified Grouped Flattening rollup.
– Modified Flatten Iterations now affects the Interactive Flatten.
– Modified Removed old unused code fragments from code base to improve stability.
– Modified Better distribution of rollups between columns.
– Modified UV Shell Compressed data removed from packer, which will be used for extremely high poly cases in later version and will be optional.
– Modified Normal Pack UV now packs the cannot fit shells to -0.5, 0.5, so you can then easily move them where you want. (Interactive still packs to the current tile/UDIM).
– Modified Changed Rendering order in UVReactor Viewport (wireframe and selection rendering order swapped).
– Modified Vertex Display, vertex size changed.
[UVReactor v1.4.0]
– Upgraded OpenGL from 3.3 to 4.5.
– Updated drawing and geometry update system.
– Updated and optimized the selection accelerator build system. Uses less memory and about 15x faster.
– When editing without interactive (3ds max viewport sync) selection, the selection is 10x faster now.
– Refactored Selection System code.
– Added Cluster Pinning for the packing system. You can use it to lock uv shells in position. The algorithm will pack around them.
– Added Pixel Snapping.
– Added fill available space to heuristics packing.
– Added Interactive (Live) packing. It repacks surrounding uv shells in real-time when you move or edit UV shell or shells on the UV atlas.
– Added Multi-Level Grid to viewport for snapping and pixel align.
– Added Parameter Save and Load between 3ds max sessions.
– Added Color Customization.
– Changed Strict Mode. Now it adds a safety padding to the shells to prevent below 1px paddings. Turning it off will cause the shells to get less then 1 pixel closer to other shells. (in case of 512×512 packing area)
– UVReactor Mod crashes fixed – The modifier is now stable – It’s out of the experimental feature stage.
– UVReactor Mod updated to Qt.
– Fixed Background crash, when panel resized.
– Fixed UDIM text size increase when viewport resized horizontally.
– Render UV distortion Fixed.
[UVReactor v1.3.1]
– Fixed preview mode and unselectable Vertex and Edge when selection depth is not ALL.
– Fixed Backdrop texture visualization for Octane renderer. (Probably fixed similar issues with other renderers like VRay or Corona etc. as well)
– Added Group By Material ID
[UVReactor v1.3.0]
– License inactive warning added.
– Display DPI scaling problem fixed.
– Added Peel with different flatten methods.
– Added Extend Selection to Shell.
– Added New selectable UV Checker to Toolbar. Custom checkers can be added.
– Added texture transforms to UVReactor viewport including all transforms like (tile, offset, rotation) retrieved from the assigned material. (Bitmap node only).
– Added texture map node selector. All texture maps can be used as backdrop.
– Added resizable tile visualization of backdrop in TILE mode.
– Added UDIM visualization using the result of the connected map.
– Added UDIM to Material ID converter.
– Fixed Smooth by UV Shells issue.
[UVReactor v1.2.11]
– Fixed QuadMenu duplicates from 3ds max 2024 and older.
– Fixed Update Check function.
[UVReactor v1.2.10]
– Fixed a bounding box calculation issue in UVReactor, when one or both of the axis is smaller than 0.
– Fixed crash when trying to Flatten (No Overlap) an object with no seams.
– Added BBox Squared / Area, BBox / Area, Area, BBox options for packing.
– Added Render UV and rollup to render UV as image.
– Refactored and updated UI construction. Less error prone and more unified look and feel.
[UVReactor v1.2.9]
– Fixed a conflict with Octopus where the GUID of the plug-in was missing in the PackageContents.xml and UVReactor wasn’t loaded.
– Added hotkey group to Editable Poly.
– Added Quad Menu for the UVReactor Viewport.
– Changed the basic behaviour of Open UVReactor to Toggle mode.
– Changed to nified naming of UVReactor actions.
[UVReactor v1.2.8]
– Fixed a crash caused by Break when using Display Vertices. Now Break edges eliminates iso verts after when performed.
– Fixed a Non-Uniform Straighten crash, when trying to perform a Straighten when in face mode or when the mesh is fully closed.
– Fixed a Non-Uniform Straighten crash, when the cluster has multiple seam loops. (holes in the UV)
– Fixed a Core inconsistency causing sometimes unpredictable or unexpected behaviour when dealing with winding orders.
– Added Align Selection to World Up.
[UVReactor v1.2.7]
– Added Axis Lock based flattening. This one locks only one axis, leaving more space for proper optimization with less distortion. Vertex Pinning still exists.
– Added iterations to Flatten.
– Fixed a selection data glitch in UVR core leading to incorrectly fixed vertices.
– Fixed a BitArray glitch allocated with size of the wrong sub-object type when performing Non-Uniform Straighten.
[UVReactor v1.2.6]
– Quick Fix. Crash fixed, when moving the mouse while deleting sub-objects from your model. (faces for example)
[UVReactor v1.2.5]
– Fixed Flatten iterations, now it’s flip free, so it works with smaller steps.
– Fixed Vertical Center align.
– Fixed many different problems causing the Flatten algorithm to fail.
– Fixed most of the crashes caused by delete or any other topology changing actions when using a 3dsmax hotkey while selecting.
– Fixed a crash when restoring vertex or edge selection, after performing a CleanUp.
– Fixed 3dsmax to uvr viewport selection sync.
– Fixed Freeform Axis lock when using select and move.
– Fixed selection distance when viewport side aspect ratio is different than 1:1.
– Fixed UDIM text size.
– Fixed a glitch in geo and uv selection, when checking if shell is selected.
– Added boundary selection instead of seam only selection.
– Added vertex pinning for normal Flatten. (basically can be used as non-unfiform straigthening if combined with Move Farthest)
– Added transform gizmo filtering when using CTRL / ALT / SHIFT to non-distracted selecting.
– Speed up the non-fixed version flatten using MKL.
[UVReactor v1.2.4]
– 3ds max 2026 UPDATE
[UVReactor v1.2.3]
– Fixed crash on 3dsmax close or scene reset.
– Fxied Move tool. Now the gizmo also transformed with the selection.
– Fixed scaled UV space (Texture Resolution scale) distance and selection calculations, including selection preview and snap marker.
– Fixed scaled UV space (Texture Resolution scale) rotation inconsistency.
– Fixed Circular selection when UV space is scaled (Texture Resolution scale).
– Fixed AMD CPU crash when performint Flatten (No Overlap).
– Updated camera logic, simplified code, better performance.
– Move tool now compatible whit SHIFT based axis lock.
[UVReactor v1.2.2]
– Fixed Footer Transform when interactive and changing in relative mode.
– Fixed Show UDIM Slot type dropdown menu update after changing between Dockable or Non-Dockable window.
[UVReactor v1.2.1]
– Fixed Footer Transform inconsistency.
– Fixed Focus UVR Viewport when viewport is empty and no nodes selected.
– Fixed problem when using face selection on Flip or Align.
– Fixed rare case when transforming and cancelling.
[UVReactor v1.2.0]
– New UVReactor Mod modifier has been added to the package as a separated free plug-in. From now you can edit UVs anywhere in the modifier stack. Because it’s free, you can still use the result of the UV created by UVReactor.
– Refactored internal code, that improves stability, performance and memory usage.
– Added New Toolbar.
– Added New Footer.
– Added face level flipped polygon visualization.
– Added face level flipped polygon selection.
– Added Move Farthest align. It can align shellss, selected edge clusters or vertices to top, bottom, left, right, center horizontal or center vertical.
– Added Overlapping Element Z-Depth based selection. Using the CTRL + MouseWheel you can control which UV Shell you would like to select and move.
– Added Zoom About Center for viewport zooming. Switchable between cursor and viewport center.
– Added Transform footer with relative and absolute type-in.
– Added Transform Axis lock.
– Added Right Click Transform cancel.
– Added Vertex Snapping. It can also snap to the initial state of the vertices. Vertex, Edge and Face mode is supported.
– Added Vertex Snapping to move transform.
– Added Vertex Snapping to rotate transform.
– Added Vertex Snapping to freeform transform.
– Added Show Vertices and vertex visualization.
– Added Move Gizmo to Freeform Transform with Axis Lock.
– Added Circular Selection Mode.
– Added Grid density.
– Added Grid snapping.
– Added a few icons.
– Added Dockable / Non-Dockable switch button.
– Fixed a crash when copying an element or face selection to as an object.
– Fixed Flip action. Now it works as expected.
– Fixed a freeze due to a invalid AABB, forcing to draw extreme amount of grid on the canvas.
– Fixed a bug when the UV has zero or Nan area, causing the UV shell to collapse into the center.
– Fixed a crash bug when no uv shells were selected.
– Fixed messed up Grouping app data chunk IDs.
– Fixed / Added UV Vertex and UV Edge selection restore after switching between sub-object selection modes.
– Fixed UV Vertex and UV Edge selection restore when using Undo and Redo.
– Fixed Transform Gizmo handle size inconsistencies.
– Fixed Transform Gizmo hit test distance.
– Fixed Transform Gizmo disappear on firts launch.
– Fixed Transform Gizmo size inconsistencies.
– Fixed UVEdge and UVVert selection when changing between sub-object modes. Now after the sub selection level change the system won’t select the edge or vertex pairs and restores the original state.
– Fixed FreeForm mode rotation precision issue.
– Fixed incorrectly aligned viewport on start in some cases.
– Modified Move Transform Gizmo appeareance.
– Modified Transform behavior. Now you can initiate a transform even from the sub-object not just from the gizmo.
– Modified UDIM ID scaling. Now it has fixed size.
– Modified Show Seams location, moved to Toolbar.
– Modified Sub-Object Selection moved to Toolbar.
[UVReactor v1.1.6]
– Added Non-Editable gray out to UVReactor Viewport.
– Added UDIM ID indicator to the bottom left of each tile.
– Added Multi-Column Controls.
– Added UDIM Texture visualization based on Multi-Materials.
– Added padding to the UV space when packing.
– Fixed Viewport Focus (View Extent) for selection.
– Fixed Now UVR can visualize “Not Editable Poly” base objects as well again.
– In case of oversized UV shells, the algorithm skips them when using Pack UVs.
[UVReactor v1.1.5]
– Fixed Straighten crash, when shell meets all the requirements except that it contains triangles.
– Further improved transform by making move, scale and rotate, single click then transform, in Element mode.
– Added Excluding Transform. While holding down the SHIFT key while transforming, you can lock the transformation (scale / move) to the x or y axis.
– Added Centered Scale when holding down the ALT key in FreeForm (Multi) mode.
– Added Angle Snap
[UVReactor v1.1.4]
– Fixed crash when having two long UV shells to pack.
– Non Packable UC shells are pre-filtered, making the packing faster.
– When UDIM Packing is on, negative tiles are not packed anymore, so it meets the requirement of UDIMs.
[UVReactor v1.1.3]
– Added Edit Threshold to the system, so above a certain amount of polygons and objects, the system won’t show the UVs. You can change these values from the UI.
– Added UDIM Packing to UV tiles when using Pack UV and Pack UV (Heuristics).
[UVReactor v1.1.1 – v1.1.2]
– Fixed Crash when Packing with Heuristics.
– Glicth with max 2021 not finding the cursor files. From now a new .dll will be compiled for max 2021 as well.
– Problem with oversized model. The Dynamic Grid is now limited to a -10 to 10 size. It will be enough for UDIMs.
– Installer now works the way as intended and overwrites the files in case of an upgrade.
– Scale .PNGs cursors are transparent again.
[UVReactor v1.1.0]
– Added Multi Object Mode
– Added Custom Sub-Object Level Selection actions. These can be used instead of the built-in one, since it has control over UVReactor selection levels in Multi-Object Mode.
– Added Quick Select and Move to FreeForm mode in Element mode. With CTRL you can move multiple selections.
– Added Quick Select and Move to FreeForm mode in Face mode. By Default you can move. When using ALT or CTRL you can select or deselect.
– Added thickened border to UV boundaries.
– Added base object editing as well. Now if you have modifiers on an object, you can still edit the base EditablePoly object.
– Added Support for proper Show End Result handling. In the future the BaseObject and the final result will be shown both.
– Update Actions to support Multi-Object Mode.
– Partially refactored notification system, to improve stability, reliability and performance.
– From now, synced and unsynced selection is both available for sub-object selection.
– Fixed selection system bugs.
– Fixed Instance handling. Now if multiple instances selected, only one instance will be shown in the UVR viewport. Also this caused of lot of trouble when handling uv shells.
– Fixed missing cursor .png files.
[UVReactor v1.0.5]
– Fixed Crash when tried to perform certain operations when UVR Viewport is not open. (due to invalid/missing selection level).
– Fixed Undo cleanup. This has prevented to run undo using a maxscript UI or systems like Octopus or KeyHydra.
– Fixed, when edge or vertex selection undoed and than selection performed, the previous state of selection, disappeared.
– Fixed Cursor Flickering.
– Fixed Check for Update button.
– Added Proper Cursors for better feedback.
– UVReactor is now compatible with Octopus.
– Dynamic Grid added. (Pre-requisit for UDIM support)
[UVReactor v1.0.4]
– Added detailed info if system cannot activate license.
[UVReactor v1.0.3]
– Fixed the seam selection disappearing bug when using wireframe + shaded mode at once. Now it’s visible in all cases.
– Fixed Rotate To Optimal bug, where even not selected shells were rotated.
– Fixed and modified the Flip commands behaviour. Now it flips locally if mode is checked.
– Fixed and modified the Flip commands behaviour. Now it flips about the proper center if Flip Selection Only turned on.
– Fixed Planar behaviour. Now it maintains position and size of the UV shell.
[UVReactor v1.0.2]
– DPI Scaling for different display scaling values.
– Grouping crash fixed when trying to get back selection.
– Dockable UVReactor Window.
– Uniform Scaling Fixed with scale tool.
[UVReactor v1.0.1]
– Crash if changing sub-object mode while selecting with maque tool fixed.
– Flatten crashes on invalid mesh fixed.
[UVReactor v1.0.0]
– Changed the look of the transform gizmos.
– Fixed the Base Grid, now axis are color coded and the range is from 0..1 and not from -1..1.
– The Free Form gizmo now transparent along the edges. Also it keeps distance if it would have a zero area.
– Focus Viewport to selection added.
– Refurbished UVReactor Menu Bar menu.
– Flip UV added. Works On All the clusters with global or local flip. Also works on selection around selection center.
– Viewport Focus List (making selection impossible) fixed.
– Element/Cluster/Shell Selection added.
– Seams Selection added.
– Tolerance to double click selection added.
– Fixed Triangulation Error for Flatten.
– Viewport jumping fixed when clicking too fast in the viewport.
– Added High Performance Overlap free Flattening
– Adding further checks to prevent crashes
– Added automatic UV Space fill heuristics
– Added strict packing mode, halfing the padding even on low resolution leading to double precision
– Added Normalization to Heuristics packing
– Removed Init for flattenings
– Installation directory changed to preferred one. Moved to ProgramData.
– Added Licensing
[UVReactor Beta v0.1.16]
– Made ENU default.
[UVReactor Beta v0.1.15]
– Added separated 3ds max language selector to the installer. You can use this to identify your 3ds max localization folder: C:\Users\pi3c3\AppData\Local\Autodesk\3dsMax\202X – 64bit.
– Added Check Update Button to UVReactor. You can check if there is a newer version of UVReactor.
[UVReactor Beta v0.1.14]
– Removed an optimization that caused problems.
– Changed the compiler to C++20 from Legacy MSVC. This has further increased the performance. In certain cases drastically by at least 20 percent.
– Installer Fix, when multiple installation location can be found for 3dsmax.
– Added all available language version to the installer.
[UVReactor Beta v0.1.13]
– Straighten flipped result fixed.
– Straighten now keeps Texel Density.
– Straighten now always horizontally aligns the uv shell.
[UVReactor Beta v0.1.12]
– UI fixed when focus on UI element not get lost after clicking into the viewport.
– Crash fixed when using Smart Extrude.
– Rotate UV Shells to optimal added to the Align Rollup.
– Rotate UV Shells to optimal added to the Packer as an option.
– Further speed improvements. Using AVX2 instruction set and fast floating point calculations.
[UVReactor Beta v0.1.11]
– Smaller optimiations on the UV Packer, making it even slightly faster.
– Viewport was broken with certain video card with certain drivers.
– Speed of Straighten improved.
– Speed of Edge Loop improved.
– Speed of Edge Ring improved.
[UVReactor Beta v0.1.10]
– UV Packer resolution setup was broken, which is now fixed.
[UVReactor Beta v0.1.9]
– Seams Display performance increased
– Found performance headroom for the packer algorithm. Now it’s 3x faster than before.
[UVReactor Beta v0.1.8]
– Incorrect Seams Display Fixed.
[UVReactor Beta v0.1.7]
– Fixed crash when spline is in the selection and certain sub-object selection changing operation were used.
– Crash fixed when break/stitch was performed on Spline objects.
– Added a dedicated broken UV Data fix functionality to the Modeling Rollup. It can fix broken UVs that not even UnwrapUVW can fix.
– Display Seams performance has been improved. (Although while moving the object, there is a display lag behind the transformation)
[UVReactor Beta v0.1.6]
– Problem with inconsistent face deg. These UVs should be reconstructed. Currently visualize only.
– Added Chinese Installer option. Use Chinese if you are using the Chinese version of 3ds max.
[UVReactor Beta v0.1.5]
– Crash Fixed on undo, when a non-editable object was in the object list when performing certain UVR operations. (like Set Texel Density)
– Certain invalid UV Data temporarily filtered and cannot be visualized. This will be fixed in the future.
[UVReactor Beta v0.1.4]
– Crash fixed, when UVReactor is not running, but performs Stitch or Break.
– Stability fixed due to mesh / uv clean up. UV cleanup Disabled.
– Flatten crash fixed due to invalid UV data.
– Now handling dead structs, but crashes my still occur.
[UVReactor Beta v0.1.3]
– Added Scroll Zoom to the Viewport.
– Improved viewport focus stability.
[UVReactor Beta v0.1.2]
– Installer fix. Now each installers uses its own GUID. Before changing from a previous version, please uninstall it first.
[UVReactor Beta v0.1.1]
– Crash Fixed when cluster is oversized when packing.
– Crash Fixed when object contains modifiers when packing.
– Crash Fixed When UnwrapUVW is active and performs a selection.
[UVReactor Beta v0.1]
– Initial Beta Release.