# Release Notes - opentap 9.23.0
# New Features
- Use PluginTypeSelectorAttribute for Mixin selector #1349 (opens new window)
- Add MacOS to nuget package #1353 (opens new window)
- Make IMixinBuilder an ITapPlugin #1392 (opens new window)
# Bug Fixes
- Mixin properties are not updated after modifying it via "Modfiy Mixin" menu item. #1372 (opens new window)
- Incorrect file reference #1370 (opens new window)
- Package Create: Plugins that are not added from dotnet dlls are not added to File elements #1336 (opens new window)