com.unity.timeline 1.8.8 Package Notes

Fixed bug where the first property, when it is a collection of objects, of a TrackAsset would not be properly displayed in the inspector.
TimelineAsset.EditorSettings.SetStandardFrameRate would incorrectly throw an ArgumentException if given a valid StandardFrameRates, this has been corrected.
Clip blends will now be computed when using the API to add clips to tracks - IN-66759
Improved performance when evaluating Timeline Playables with a large number of clip based Animation Tracks (TB-259)
Updated the Gameplay Sequence sample to show materials when using the Universal and HD Render Pipelines.