Version 2026.4.0

[Mustard2]

Changelog

• Feature: Added the IK/FK panel for Diffeomorphic based models, if enabled in the Armature settings.
• Feature: Hair Extras can be added to the Hair panel. They work similarly to the Outfit Extras.
• Feature: Curves hair are visible in the hair list when added to the main Hair Collection.
• Feature: Added a button to enable/disable only the Smooth Corrective modifiers for Physics Items.
• Feature: Added a button to delete a Physics Item (delete the Object and all associated modifiers in the scene). Previously the physics item could only be removed from the UI.
• Feature: Reimplemented the Lips Shrinkwrap tool.
• UI: The User Interface has been updated with more modern Blender layout. This should increase usability but also make the menus more responsive (e.g. when collapsing some lists like the Outfit Extras). Please let me know if you have any feedback.
• Enhancement: Better error reporting is implemented for custom properties to debug errors with paths. See https://github.com/Mustard2/MustardUI/wiki/Troubleshooting#custom-properties-error
• Enhancement: Hair Physics Items status can be changed also directly in the Hair panel.
• Fix (Clean tool: Outfit custom properties are deleted even if the option is off #285, Fix: Custom properties are deleted even if the option is off #298): Clean tool deletes Outfit custom properties even if the option is off. An option has been added to control if the custom properties should be removed or not (thanks to @cl3m3c7).
• Fix (Remove dangling modifiers associated to cages when removing them (or using clean tools) #311): Dangling modifiers might remain on the scene when cleaning Physics Items with the Clean Model tool.
• Fix: Hair Switcher Collection does not work if more than one object is in the collection
• Fix: Armatures are not considered when using the Hair Switcher Collection
• Fix: Tons of other small bugs fixed
• Naming Convention: The Hair now use the same MustardUI naming convention as the Outfits to avoid confusion. The Update UI button takes care of updating the names so older models does not break.
• Deprecation: Deprecated the Auto Smooth buttons, as they were broken and useless in recent Blender versions.
• Deprecation: Curves support as an additional panel has been dropped. Now the Curves items can be added either as main Hair (in the Hair Collection) or Hair Extras (if in the Hair Extras Collection). The Update UI button takes care of updating the behavior for models already using this option.

Superseeds and includes #298.

Breaking Changes

• Naming Convention for Hair: Hair should now be named as "<Hair/Hair Extras Collection Name> - ". This is to make it exactly as Outfits and avoid confusion with the new Hair Extras implementation. A button will appear if you open models with old versions to perform an update of the names (Update UI). If skipped, it is possible tor retrigger the update once the Creator mode has been activated in the addon settings (Blender main Preferences -> Add-ons -> MustardUI), in the Developement tab.
• Curves Hair are not treated as additional Hair anymore, but as proper single Hair objects. If you want to keep the old behaviour, set up a Hair Extras collection and move the Curves objects there. A button will appear if you open models with old versions and curves in the Hair collection, to perform this operation automatically.