### Improvements

*   Linux: Improved filesystem performance to handle large cache sizes

### Fixes

*   ([925835](https://issuetracker.unity3d.com/product/unity/issues/guid/925835/)) - Editor: Fixed Skinned Mesh not being removed on undo.
*   (1010397)([966172](https://issuetracker.unity3d.com/product/unity/issues/guid/966172)) - Editor: Fixed RectTransform causing the scene to be constantly flagged as dirty.
*   (1010407) - Editor: Fixed undoing the activation of a UI layout component not undoing the side effects to the children RectTransforms.
*   (926835)([921915](https://issuetracker.unity3d.com/product/unity/issues/guid/921915)) - Editor: Fixed errors seen in the console and log related to temp TLS allocations.
*   ([948053](https://issuetracker.unity3d.com/product/unity/issues/guid/948053/)) - Graphics: Fixed issue where not all requested shader variants ending up in an asset bundle.
*   (989484) - Graphics: Fixed OpenGL ES crash due to problem with cached VertexAttribArray.
*   ([972995](https://issuetracker.unity3d.com/product/unity/issues/guid/972995/)) - iOS: Fixed an issue where the launch image for iPhone X might not display correctly.
*   (995429)([960439](https://issuetracker.unity3d.com/product/unity/issues/guid/960439)) - iOS: Fixed crash when opening an app via URL whilst mirroring display via Airplay.
*   (1006820)([995079](https://issuetracker.unity3d.com/product/unity/issues/guid/995079)) - iOS: Fixed issue where Display.SetResolution silently failed during first frame.
*   (971977) - Particles: Fixed console error message if deleting a Particle System whilst the Particle System Window is open.
*   ([947209](https://issuetracker.unity3d.com/product/unity/issues/guid/947209/)) - Universal Windows Platform: Fixed reference rewriter not fixing references for System.Net.Sockets.Socket when DLL where it's being referenced was compiled against .NET 3.5.
*   ([979741](https://issuetracker.unity3d.com/product/unity/issues/guid/979741/)) - Universal Windows Platform: Fixed .NET native compiler crash when using List or List in a serializable class.
*   ([959795](https://issuetracker.unity3d.com/product/unity/issues/guid/959795/)) - Universal Windows Platform: Fixed building player with IL2CPP player fails when there are plugins that are marked read-only in the project.
*   (964787)([925387](https://issuetracker.unity3d.com/product/unity/issues/guid/925387)) - Video: Fixed video not playing in build when building for a different platform.
*   ([979198](https://issuetracker.unity3d.com/product/unity/issues/guid/979198/)) - Windows: Fixe crash on startup in case screen width/height player preferences in registry got corrupted.
*   ([996015](https://issuetracker.unity3d.com/product/unity/issues/guid/996015/)) - Windows: Fixed resolution dialog not showing monitor list and crashing on pressing 'Play' button on some weird monitor setups.

Revision: bb37b8531d94