Unity 2019.4.0 ソフトウェア情報交換

What's new in this version:

Fixes:
- 2D: Use correct starting Z depth for IsometricZAsY Grids when calculating camera bounds for TilemapRenderer
- 2D: [Windows] Unity crashes when packing big amount of atlases
- Android: Fixed an issue where master sprite atlases did not use the specified ETC2 fallback format
- Animation: Fixed a bug where selected GameObjects are deleted when entering Play Mode and "Failed to unpersist" error is thrown
- Asset Import: Adding multiple MonoBehaviour scripts on the same GameObject using OnPostprocessModel during a ModelImporter import does not log uniqueness warning on new assets. It still does log the message on already imported assets because all references to it would be lost otherwise
- Asset Import: Fixed an issue where files authored in earlier versions, which reference objects imported by scripted importers, might lose the link to those files
- Asset Import: Fixed an issue where upgrading a project to Asset Database v2 could throw 'unknown script' errors
- Editor: Fixed an Editor issue on Windows where while in playmode and paused one or more CPUs would be utilized at 100%
- Editor: Fixed an issue where Editor crashes when Undo is performed
- GI: Fixed GI baking in batchmode when using Scriptable Render Pipelines
- GI: Fixed the lightmapper sometimes getting stuck, especially on undo after moving instances or changing resolutions
- Graphics: Fixed crash on VFXParticleSystem::RenderQuadIndirectCommand right before playing a Particle Quad in Play mode
- Graphics: Fixed crash when trying to load RenderDoc while using OpenGL / DirectX12 Graphics API Backend
- Graphics: Fixed Graphics.DrawProcedural crash on old (pre-SSE4.2) CPUs, when using DX11 or DX12
- Graphics: Fixes a crash when requesting read back into NativeArray multiple times, or using a very small NativeArray
- IL2CPP: Fix JSON exception when building project with large number of scenes
- IL2CPP: GetIPProperties().GatewayAddresses now properly runs on MacOS
- iOS: Delete LaunchImage folder when doing iOS build
- Linux: Fixed Linux Editor's main window incorrectly scrolling the main window's contents when the mouse scrollwheel is used
- Linux: Fixed scroll mouse events not being parsed in the editor when the mouse cursor lock mode is set to locked
- macOS: Resolved crash that would happen when baking lighting using the GPU progressive lightmapper
- Scripting: Fix issue with AnimatorController not included when strip engine code is enabled
- Scripting: Prevent statistics logging errors from impacting customers
- Serialization: Make sure that we create managed instances that have empty classes when deserializing YAML data
- Shaders: Fixed an issue with local keywords when using fallback shaders
- Shaders: Fixed broken shader variant tracking in the editor
- XR: Set the appropriate Vulkan usage flag for the fragment density map

Changes:
- Multiplayer: Updated com.unity.multiplayer-hlapi package version from 1.0.4 to 1.0.6, automatically added when upgrading older projects
- XR: XRDevice.isPresent has been flagged as Obsolete and will be removed in the future