• Added Config Screen to allow dynamic in game modification of Trinkets settings. It's accessible via Mod Menu/List.
• Added Sidebar-only UI Style:
  • Rather than having slots inside of other equipment slots, they will shown on the sidebar instead.
  • It is optional and disabled by default. It can be enabled in Trinkets config.
• Sidebar size can now be configured.
• Improved compatibility with Entity Model Features mod:
  • Applies both api/code and data driven trinket rendering (so won't change for mods not using Trinket's provided utility methods).
  • Do note the compatibility isn't perfect and more heavily modified (or vanilla non-conforming) models might show trinkets wrong or not render them at all.
  • Most popular packs, such as Fresh Animations (including player addon) will look correctly now through!
• Added support for rendering trinkets in first person:
  • It is optional and disabled by default. It can be enabled in Trinkets config.
• Added events for checking if item is compatible with trinket slot and for checking if trinket is equipable.
• Added datagen utilities:
  • Allows easily create / configure slot types and entities with data generation.
  • See local loader's api for reference.
• You can now set the asset_id field in Trinkets Equipment component.
• Added an option to toggle showing slot names as a tooltip on hover (it's disabled by by default).
• Added an option to toggle Trinket item tooltip (it's enabled by default).
• Max default stack size of trinkets slots is now set to 1 (like equipment slots):
  • This can be changed by setting the max_stack_size property in slot type definition.
• Trinkets are counted within player Inventory contains checks and in case of /clear command.
• Data driven trinket rendering is now exclusive with code driven one.
• Totems of Undying (and other items with death protection component) will now work in Trinkets slots (requires a datapack to enable it).
• Improved the look of Trinket slot indicator option.
• Added support for creation of passive trinkets and slot types that won't apply any effects by default.
• Trinkets can now make players hidden for entities using LivingEntity#PLAYER_NOT_WEARING_DISGUISE_ITEM check for trinkets being in the minecraft:gaze_disguise_equipment tag.
• Attributes provided via trinkets:attributes component are now unique by default. This behaviour can be toggled by changing the unique field.
• Attributes provided via trinkets:attributes component can now customise the display just like vanilla ones do.
• Fixed new slot predicate format not being read correctly.
• Added support for hidden slots (slots that aren't accessible directly out of default trinkets slots).
• Added injected-interface for ItemStack, adding trinkets-compatible hurtAndBreak method.
• Data driven trinket models definitions can now define the priority, at which they are applied:
  • Definition will override the ones with lower or equal priority rather than just based on load order.
  • Default models (provided with Trinkets itself) all have priority set to -1000
• API for getting only "renderable" and droppable item stacks from trinket attachment. These apis are primarily intended for improving mod compatibility.
• Fixed compatibility with Controlify mod.

Full Changelog: https://github.com/Patbox/trinkets/compare/4.0.0-alpha.8+26.1...4.0.0-alpha.9+26.1