Project Settings
Settings are located at Edit / Project Settings… / UI Themes. If you using New UI Widgets then settings are shared New UI Widgets and located at Edit / Project Settings… / New UI Widgets
Assembly Definitions
Enable/disable assembly definitions. Enabled by default.
TextMeshPro Support
Enable/disable TextMeshPro Support. Enabled by default if the TextMeshPro is installed.
UI Themes: Addressables Support
Enable/disable Addressables support.Requires installedAddressables
package (Window / Package Manage / Unity Registry).
Note
Support is enabled only to installed platforms. Platforms that were added after it requires enabling support again.
Attach Default Selectable Colors
Default colors of the Selectable component will be used by the ThemeTarget component.Disabled by default.
Wrappers Settings
Specify folder, and namespace for wrappers, and enable generate wrappers.