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Core v4.0.0-pre.3, StandardAssets v3.3.0-pre.1, Theming v1.0.0-pre.1, UXComponents v4.0.0-pre.3, UXCore v4.0.0-pre.3

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@keveleigh keveleigh released this 22 May 17:42
theming-v1.0.0-pre.1
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[org.mixedrealitytoolkit.core 4.0.0-pre.3] - 2026-05-20

Added

  • Added AllowGenericTypeDefinition to SystemType to allow for generics. PR #1119

Changed

  • Updated the minimum editor version to 6000.0.66f2 PR #1112
  • Updated code style in HandsSubsystemDescriptor, MRTKSubsystemDescriptor, DictationSubsystemDescriptor, and XRSubsystemHelpers. PR #1109

Fixed

  • Fixed "The type MixedReality.Toolkit.Core MixedReality.Toolkit.Experimental.BubbleChildHoverEvents/TrickleChildHoverEvents/BubbleChildSelectEvents/TrickleChildSelectEvents is being serialized by [SerializeReference], but is missing the [Serializable] attribute." on Unity 6.3. PR #1107

Deprecated

  • Deprecated AdjustTrackingOrigin on CameraSettings. This functionality has been deprecated by the XR Origin component. This property has never had an effect in MRTK3 and will be removed in a future release. PR #1110

Removed

  • Removed input action focus handling from MRTKLifecycleManager and moved to the Input package. PR #1057

[org.mixedrealitytoolkit.standardassets 3.3.0-pre.1] - 2026-05-20

Changed

  • Updated icon names in MRTK_FluentIconSet.asset and Selawik-Semibold-MRTKIcons.asset to be more descriptive. PR #1077 & PR #1119

[org.mixedrealitytoolkit.theming 1.0.0-pre.1] - 2026-05-20

Added

  • Added the new MRTK UX Theming package (org.mixedrealitytoolkit.theming) for runtime theme switching across MRTK canvas UI. PR #1119
    • Added ThemeDataSource, Theme, ThemeDefinition, and ThemeBinding as the core theming data model and binding workflow.
    • Added serializable theme item data types for colors, floats, font icon sets, materials, rect offsets, sprites, TextMeshPro font assets, and Vector3 values.
    • Added built-in binders for common Unity and MRTK UI properties, including graphic color/material, renderer material, image and sprite renderer sprite/color, layout group padding, rounded rectangle mask radius, transform local scale, TMP font assets, font icon sets, and StateVisualizer tint colors.
    • Added editor tooling for creating and configuring themes, theme data sources, theme bindings, and font icon set maps in the Unity Inspector.
    • Added package documentation, screenshots, license, assembly definitions, sample theme assets, and a default MRTK font icon set map.

[org.mixedrealitytoolkit.uxcomponents 4.0.0-pre.3] - 2026-05-20

Changed

  • Updated the minimum editor version to 6000.0.66f2 PR #1112
  • Reserialized prefabs and animations to remove stale serialized fields. PR #1115
  • Updated the Action Button prefab to have a more descriptive icon name. PR #1117
  • Updated various prefabs to be themeable. PR #1119

[org.mixedrealitytoolkit.uxcore 4.0.0-pre.3] - 2026-05-20

Added

  • Added the ability to map different icon sets together to have matching names (prerequisite for theming work). PR #1077
  • Add "Sort and Deduplicate" option to FontIconSetDefinition. PR #1119

Changed

  • Updated the minimum editor version to 6000.0.66f2 PR #1112
  • Updated FontIconSelector, StateVisualizer, and TintEffect to be themeable. PR #1119

Fixed

  • Fixed "leaked managed shell" issue in UGUIInputAdapter. PR #1096
  • Fixed "Attribute 'SerializeField' is not valid on this declaration type. It is only valid on 'field' declarations" error on DialogButton in Unity 6.3. PR #1108
Assets 7
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