Unity 2019.1.9

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2019.1.9f1 Release Notes

System Requirements Changes

Nothing changed.

Backwards Compatibility Breaking Changes

  • Asset Import: Added a warning when multiple sub-assets are imported with the same name/type. This often happen in the ModelImporter when multiple meshes or material have the same name in the .fbx file. Their resulting fileID (and thus references to them) may break/change if a new sub-asset witht he same name is found before the existing one after a re-import.


  • Animation: Fixed prefab import of animator with dangling references. (1154048, 1160255)

  • Asset Import: Fixed a crash in the Sketchup Importer with specific .skp files. (1152480, 1158399)

  • Asset Import: Fixed models imported into Unity before 2019.1 with meshes that don't have a name not conserving their Local IDs and references to them being lost. (1147902, 1160478)

  • Audio: Fixed send value propagation in mixer. (1150703, 1166920)

  • Audio: Fixed setting already-scaled curves on audio sources. (1152137, 1166921)

  • Audio: Fixed Unity crashing at AudioScriptBufferManager::GetPCMReadArray while recompiling script in play mode. (884965, 1162741)

  • Editor: Fixed a bug where scene root objects were not properly taken into account for Scene SceneVis state when they had hideflags set. (1156127, 1158020)

  • Editor: Fixed crash on quit in UNITY_FT_Done_Face when using large prefab with TextMesh. (1075972, 1140678)

  • Editor: Fixed false-positive for multiple audio listeners when editing prefabs. (1152491, 1166915)

  • Editor: Fixed stop button in audio clip preview panel. (1154598, 1166913)

  • Graphics: Fixed a tessellation crash issue with Intel 4000 GPU and fencing. (1158299, 1159313)

  • Graphics: Fixed crash that can occur when accessing the MeshFilter.mesh property when the mesh is loaded via the async upload manager. (1124524, 1158403)

  • Graphics: Fixed editor throwing "d3d12: CreateGraphicsPipelineState failed." error when switching Graphics API to DX12. (1122343, 1125321)

  • Graphics: Fixed OpenGL 4.2 rendering the editor pink. (1146762, 1150531)

  • Hub: Fixed two identical HDRP templates are shown in new project creation when selecting 2019.1.8f1 or 2019.1.7f1 version. (1164282)

  • IL2CPP: Added support for NamedPipeClientStream on Windows platforms. (1159863, 1160511)

  • Linux: Fixed Linux Standalone Player touch events for IMGUI. (1106839, 1142854)

  • OSX: Fixed jitter from magic mouse and trackpad input on ScrollView component. (1144634, 1150397)

  • Particles: Fixed editor crashes with WorldCollision when Spawning Particles. (1155477, 1162838)

  • Particles: Fixed Particle System sorting unstable when Sort Mode is set to By Distance. (1154497, 1162835)

  • Particles: Fixed Particle System trails changing their size randomly when there is a Realtime Reflection Probe in the Scene. (1117520, 1162818)

  • Particles: Fixed Particle Systems being scaled incorrectly when using Velocity render alignment. (1149730, 1162832)

  • Particles: Fixed some ParticleSystems using the wrong texture when several of them are being rendered with different Textures. (1148610, 1162829)

  • Prefabs: Fixed prefabs lose references to unnamed meshes after upgrading the project to 2019.1.0a10 and above. (1147902, 1160478)

  • SceneManager: Disabled editing the name of the root GameObject of a Prefab Asset. (1146439, 1155975)

  • SceneManager: Fixed editor freezing if error is thrown while modifying multiple Prefab assets. (1150176, 1155979)

  • SceneManager: Fixed editor preference behavior to only update modified values in the plist file on MacOS. (1117481, 1154215)

  • SceneManager: Fixed undo of prefab asset after using Apply All from the overrides dropdown. (1150496, 1155978)

  • Scripting Upgrade: Fixed crash during Asset GC with large managed collections. (1137077, 1144681)

  • Scripting Upgrade: Fixed crash during async debugging. (1153078, 1162262)

  • Scripting Upgrade: Fixed incorrect ServicePointManager DefaultConnectionLimit. (1156607, 1158687)

  • Version Control: Fixed Prefab Editor overwriting files which are exclusively checked out in Version Control. (1027165, 1150746)

  • XR: Fixed Render Viewport Scale Jitter when render viewport scale changes continuously. (1153261, 1159974)

System Requirements

For development

OS: Windows 7 SP1+, 8, 10, 64-bit versions only; macOS 10.12+. (Server versions of Windows & OS X are not tested.)

CPU: SSE2 instruction set support.

GPU: Graphics card with DX10 (shader model 4.0) capabilities.

The rest mostly depends on the complexity of your projects.

Additional platform development requirements:
  • iOS: Mac computer running minimum macOS 10.12.6 and Xcode 9.4 or higher.

  • Android: Android SDK and Java Development Kit (JDK); IL2CPP scripting backend requires Android NDK.

  • Universal Windows Platform: Windows 10 (64-bit), Visual Studio 2015 with C++ Tools component or later and Windows 10 SDK

For running Unity games

Generally content developed with Unity can run pretty much everywhere. How well it runs is dependent on the complexity of your project. More detailed requirements:

  • Desktop:

    • OS: Windows 7 SP1+, macOS 10.12+, Ubuntu 12.04+, SteamOS+
    • Graphics card with DX10 (shader model 4.0) capabilities.
    • CPU: SSE2 instruction set support.
  • iOS player requires iOS 9.0 or higher.

  • Android: OS 4.1 or later; ARMv7 CPU with NEON support or Atom CPU; OpenGL ES 2.0 or later.

  • WebGL: Any recent desktop version of Firefox, Chrome, Edge or Safari.

  • Universal Windows Platform: Windows 10 and a graphics card with DX10 (shader model 4.0) capabilities


Third Party Notices

For more information please see our Open Source Software Licenses FAQ on the Unity Support Portal

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