### Fixes

*   Editor: Fixed content drawn with OnSceneGUI not looking correct and consistent whether the project color space is Gamma or Linear.(1018625)
*   Player: Fixed imbalanced platform profile markers in user scripts. (1005409)
*   Web: Fixed crash when aborting AssetBundle download using UnityWebRequest. (1017468)
*   Particles: Improved logic for when Automatic Culling can be used with non-randomized emission. ([991235](https://issuetracker.unity3d.com/product/unity/issues/guid/991235))
*   Particles: Fixed particle collision not being detected when Particle System used negative scale. ([985049](https://issuetracker.unity3d.com/product/unity/issues/guid/985049))
*   Particles: Fixed particles occasionally flickering when they have a random start life time and sort mode was set to Youngest or Oldest in front. ([988874](https://issuetracker.unity3d.com/product/unity/issues/guid/988874))
*   Particles: Fixed prefabs with a ParticleSystem creating duplicate entries into its serialization after each modification. ([989631](https://issuetracker.unity3d.com/product/unity/issues/guid/989631))
*   Particles: Fixed particles/alpha blended material inverting colors of other blended objects, when using HDR. ([967476](https://issuetracker.unity3d.com/product/unity/issues/guid/967476))
*   Editor: Fixed PresetLibraries classes not being handled correctly by the Preset UI and will be excluded at the moment. (1020017)
*   Editor: Foxed closing the Create new Preset window logging a Layout error in the console. (1022087)
*   XR: Fixed XR.WSA.WorldManager.OnPositionalLocatorStateChanged() not getting called when state changes back to active. ([998331](https://issuetracker.unity3d.com/product/unity/issues/guid/998331))

Revision: b8cbb5de9840