Unity 2019.3.3

What's new in this version:

Fixes:
- 2D: Editor crashes on SpriteAtlas::CalculateCurrentPackingHash when entering Play mode and Sprite Packer is set to Always
- 2D: Editor crashes when selecting/clicking on 'Pack Preview' in a Sprite Atlas which contains .SVG asset
- 2D: Fix 2D Animation not working when reloading scene in runtime
- Asset Import: Fixes an issue using ADBv1 where if you move mixed/upper case files in the editor window they get renamed lower case
- Asset Pipeline: Empty refresh must perform pending domain reload, if called with kForceSynchronousImport
- Editor: Fix compute shaders in Editor when forcing graphics API different from the player build settings
- Editor: Fixed crash due to the race condition which might happen during importing, loading and profiling
- Editor: Fixed incorrect GameObject placement when duplicating multiple times
- Editor: Open error line for a failed UTF test now does not throw exceptions for corrupted testable pdb in Editor release mode
- GI: Fixes an assert being thrown because materials and instances are out of sync
- GI: Instead of using a heuristic to determine whether we are running of memory, we now ask MacOS explicitly using an API
- Graphics: Crash with RenderMeshIndirectCommand
- Graphics: Fix crash while switching prefab
- Graphics: Fixed camera gizmos getting drawn outside OnGUI calls inside SRP
- Graphics: Fixed crash in SkinnedMeshRenderer where a buffer would be deleted whilst still being used for skinning if motion vectors are enabled
- Graphics: Fixed crash with billboard renderer in VR
- Graphics: This function goal is to access the texture target. Avoid rebinding the texture and polute state if the texture target is unknown
- iOS: Launch Screen storyboards are validated to ensure that they have the correct settings to be used as a launch screen
- iOS: Launch screen storyboards no longer briefly display in landscape when portrait only is selected
- Package Manager: Fix a regression that could break usage of native plugins
- Package Manager: Fix the issue where warning messages will show every time a package manifest file is selected
- Package Manager: Fixes Folder/Files with extension .Core being ignored when importing a Git package in Package Manager
- Profiler: Fixed loading of raw profiler data with hung job thread causes editor crash
- Scripting: Fix crash in Dependency Graph handling when cycles exists in assembly references
- Timeline: Fixed Control Track inspector dropdown not opening
- Timeline: Fixed issue where applying the Match content command on subtimeline clip with a newly created subtimeline with no duration makes the clip disappear
- Timeline: Fixed issue where the curves view would change its framing when moving a clip
- Timeline: Fixed issue where the keys in the inline curves view were incorrectly positioned
- Timeline: Fixed issue where the opened timeline is changed to another timeline when switching focus from Unity to a different application
- Windows: Fixed certificate validation failing on machines with certain intermediate certificate authority certificates installed
- XR: Fix for TrailRenderer culling at odd times
- XR: Fix for XRSDK single-pass stereo mode incorrectly switches to multipass mode in URP
- XR: Fixed Hololens 2 pausing when UserPresence is lost with RunInBackground enabled
- XR: Update XR management package to 3.0.6