Unreal Engine Issues

Unable to package project that includes a custom precompiled plugin

Packaging a project that includes a precompiled plugin fails with an error that an object reference is not set to an instance of an object. This only happens in the Binary Engine. If the Engine is ...

Cinematic DOF Does Not Work With TemporalAA Upsampling Enabled

Cinematic DOF does not work correctly if TemporalAA Upsampling is enabled. Standard Circle DOF works as expected with Upsampling. However, enabling the New DOF Algorithm produces almost no blur when ...

InstallVisualizers.bat does not install debug Visualizers for Visual Studio 2017

The InstallVisualizers.bat file for 4.20 does not include a way to install the Visualizers for Visual Studio 2017. With Visual Studio 2017 now the default Windows IDE for the Engine, it may be helpf ...

Custom node with SceneTextureLookup function doesn't support on Mobile anymore

UMG Drag and Drop stops working in a Packaged or Standalone Game

Drag and drop operations just become broken on packaged builds or launching stand-alone, despite working inside the Editor (PIE). This is a regression from 4.19.2 (CL-4033788). This issue was repor ...

Projects without PhysX not compiling

Compiling without "WITH_PHYSX" leads to compile errors. https://udn.unrealengine.com/questions/450489/projects-without-physx-not-compiling.html Projects without PhysX (WITH_PHYSX disabled) will not ...

Finish or Custom Event Tracks in a Timeline don't execute when 'Set New Time' is being used

When using Finish or Custom Event Tracks in a Timeline, they won't execute when 'Set New Time' is being used with another Timeline or Float value. This issue was reported and tested in 4.19.2 (CL ...

IOS binaries are not included when a plugin is packaged for IOS using a binary Engine installation

Packaging a plugin for the IOS platform on a Mac completes successfully, but there are no IOS binaries included in the packaged plugin. Once the package process completes, the packaged plugin only c ...

Gear VR Touchpad input broken

Gear VR Touchpad input no longer functioning in 4.20 Noticed this appearing in 4.20 logs from device (did not appear in 4.19 logs): LogOcInput: Get touchpad main with data 0.000000 0.000000 Also t ...

Oculus Go & Quest: Relaunching app immediately after exiting causes device to freeze

4.20 Oculus Go projects cause the device to lock if immediately relaunching after exiting. It does not occur if:You wait ~20 Seconds before relaunchingYou press the power button after closing the a ...