Unity 2018.4.16

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Known Issues in 2018.4.16f1

  • Animation: Animator.Update CPU time spikes when multiple animations are playing (1184690)

  • Asset Bundles: Building asset bundles when build path doesn't exist causes a failed assertion on "pluginAppendices.size() <= 1" (1203242)

  • Package Manager: Immutable packages altered by the API Updater are reverted to their original state when packages are resolved, which can lead to slower import performance in that context.

  • Profiling: Profiler stucks with Autoconnected Player option and can't be switched back to Editor when AndroidPlayer is selected (1193777)

  • Shuriken: Semaphore.WaitForSignal under Canvas.BuildBatch causes a slow editor in Play mode (1178300)

2018.4.16f1 Release Notes


  • 2D: Fixed an issue where Sprite Atlases are modified after building. (1203619)

  • Android: Added support gfx device command line arguments in release builds. (1195061)

  • Android: Fixed an issue with particle rendering when using the Light Weight Render Pipeline with Vulkan on Android. (1126887)

  • Android: Fixed an issue with poor physics performance on ARM64 on certain devices with power mode disabled. (1186295)

  • Android: Fixed black screen when project is configured for linear rendering with 16 backbuffer. (1152322)

  • Android: Fixed Vulkan feature usage declaration in Android manifest. (1198652)

  • Apple TV: Fixed an issue whereTouchScreenKeyboard.visible does not get set to false when the keyboard is dismissed on tvOS. (1171490)

  • Asset Import: Changed import errors for .sbsar files to warnings, changed warning for psd matte to info. (1184085)

  • Asset Pipeline: Fixed an assert thrown during RecompressAssetBundleAsync. (1193306, 1195067)

  • Editor: Fixed an assembly lockup issue in the Windows Editor when certain dialogs or progress bars were active. (1191378)

  • Editor: Increased the length limit on the menu names from 127 to 255. (1196971)

  • Graphics: Fixed a sporadic crash when using GraphicsJobs with Vulkan. (1194077)

  • Graphics: Fixed an issue where race condition in Vulkan GpuProgram loading when using GraphicsJobs.

  • Graphics: Fixed Texture Streaming with Native jobs on PS4.

  • Graphics: Reset current RT to override currently stored store actions. (1188663)

  • IL2CPP: Fixed secure string allocation on Windows platforms. (1183660)

  • IL2CPP: Fixed the behavior of network interface detection code on iOS. (1191670)

  • IL2CPP: Improved the performance of job methods on Microsoft platforms. (1196765)

  • IL2CPP: Prevented a possible crash on shutdown when script debugging is enabled on macOS. (1186518)

  • iOS: Added support for iPad 7 generation. (1196002)

  • iOS: Fixed an issue where GUI.RepeatButton returns true only when the button is released. (1187026)

  • iOS: Fixed an issue where the crash reporter would crash if Unity failed to initialize correctly. (1145982)

  • macOS: Fixed Mac Standalone build not containing .meta files inside native plugin bundles. (1178777)

  • Package Manager: Fixed an issue that prevented the Package Manager from writing the project manifest file if the project was stored on an SMB network share. (1172278)

  • Package Manager: Fixed an issue where a misconfigured registry could write files to arbitrary locations outside the package cache.

  • Package Manager: Fixed an issue where adding a package would fail if a conflict was found in one of its dependencies.

  • Package Manager: Fixed an issue where adding a package would succeed even if one of its direct or indirect dependencies was missing, resulting in a broken project.

  • Package Manager: Fixed an issue where the Asset Database did not always reimport a packaged asset that was modified by updating a package.

  • Package Manager: Fixed timeout and network robustness issues.

  • Package Manager: Fixed undefined behavior resulting from concurrent operations.

  • Package Manager: Fixed various issues around Git-based packages, including URL handling and Git-LFS handling.

  • Package Manager: Fixed various issues that could lead to corrupted packages in projects (e.g. interrupting the package installation process could leave the project cache in a broken state).

  • Particles: Fixed a crash when using scripted simulation on nested hierarchies due to threading race condition. (1194538)

  • Particles: Fixed a particle crash due to uninitialized currentSize array. (1197761)

  • Particles: Fixed a particle rendering when using cmd.DrawRendered and context.ExecuteCommandBuffer. (1195214)

  • Particles: Improved behaviour of Enable Roll checkbox. (1081596)

  • Prefabs: Fixed an issue where duplicated child nested prefab is not created in the same position. (1157320)

  • Prefabs: Fixed an issue where removed components on nested prefabs could reappear when applying subsequent modifications. (1185746)

  • Scripting: Fixed a crash due to random memory corruption. (1204409)

  • Scripting: Fixed a crash that may occur when using stackalloc. (1172987)

  • Scripting: Fixed an issue where ScreenCapture.CaptureScreenshot is not working properly with Physical cameras when superSize > 1. (1192257)

  • Scripting: Fixed Class hierarchies with UnityEvent properties not being properly discovered by the editor inspector. (1196591)

  • Timeline: Fixed an issue where Timeline Window lock state when restarting Unity and no timeline is selected. (1201405)

  • UI: Fixed an issue where EventSystem not being created when an EventSystem prefab was loaded but not in the scene. (1200002)

  • UI: Fixed an issue where Nested Canvases using the wrong display id when calculating the ProjectionMatrix. (1199299)

  • UI: Fixed sorting when rendering Camera and World space canvases on multiple displays. Screen space UI would cause Z testing to be disabled for any displays that were rendered after that display. (1199369)

  • Version Control: Fixed an issue where save project being very slow when there are a lot of changed assets and a slow Perforce connection. (1170253)

  • Version Control: Fixed an issue where Version Control window open slows down various VCS operations. (991427)

  • Video: Fixed an issue on Windows 7 where VideoPlayer.Prepare causing a stack overflow crash if Video is loaded from asset bundle. (1190915)

  • Web: Disabled warning on non-local unity api connections if api key was not provided. (1198465)

  • WebGL: Disabled unnecessary default canvas event for "on drag" WebGL. (1190839)

  • WebGL: Fixed an issue where in WebGL builds Canvas Rect Mask 2D component was not working properly. (1014187)

  • WebGL: Fixed file access issues when using DownloadHandlerFile on WebGL. (1189549)

  • Windows: Fixed an issue where primary display leaving fullscreen when 2nd display activated. (1207918)

  • XR: Fixed OnApplicationPause events when using HolographicPauseOnTrackingLoss. (1192322)


  • Package Manager: Changed the package installation process to no longer set package directories and files as read-only on disk. This prevents all sorts of possible corruption scenarios (e.g. read-only directories, partially-read-only packages in the package cache) and avoids some permission issues when removing packages.

  • Package Manager: Changed the package installation process to systematically revert packages to their original state. Note: this has the side-effect of actively reverting local modifications in immutable packages, which could previously be kept until the dependency was updated to a different version of the package. In order to preserve local changes, a package should first be [embedded in the project](https://docs.unity3d.com/Manual/upm-embed.html).


  • Package Manager: Added support for configuring additional SSL certificate authorities, including self-signed certificates. See the [Unity Manual](https://docs.unity3d.com/Manual/upm-network.html#SSL) for more information on how to use this.

  • Package Manager: Added support for Git URLs with the SCP format (e.g. git@github.com/user/repo).

  • Package Manager: Added support for Git URLs without a trailing .git by using git:// URLs or prepending git+ to URLs (e.g. git+https://github.com/user/repo).

  • Package Manager: Added support for tarball-based dependencies (e.g. &quot;file:.tgz&quot;).

  • Package Manager: Changed the UnityEditor.PackageManager.Client.Add method to make the @ prefix optional when adding Git-based dependencies and local dependencies (file:).

  • Package Manager: Reduced the amount of data transferred over the network when fetching package metadata from the registry.


  • Multiplayer: Added UNET encryption support.

Third Party Notices

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