Unreal Engine Issues

Android Projects packaged for arm64 crash on device.

This issue was discovered while smoke testing Release 4.13 for Preview 2. ...

Vulkan crashes on Adreno Galaxy S7

Crash after enabling iOS Metal Desktop Renderering and then enabling iOS SM5 Preview Rendering Level

Crash on Galaxy S7 devices with Mali GPU (SM-G930F / SM-G935F)

Copy, Paste and Hover a Material Layer Blend Node causes Crash

In the Material Editor, if all Live Previews are turned off, copying and pasting a Material Layer Blend Node will crash when the tool tip is being processed. Also Reproduced in Main Promotable-CL-2 ...

Opening a widget blueprint on Linux causes editor to crash

The editor crashes when attempting to open a widget blueprint. ...

Crash When Setting a Bool in a Niagara Parameter Collection via Blueprint

The Editor will crash when setting a bool in a Niagara Parameter Collection via Blueprint. Found in 4.20 CL# 4369336, 4.21 CL# 4753647, 4.22 CL# 5159901, 4.23 CL# 5194133 ...

UE4Editor does not start when there are no audio devices available

UE4Editor does not open when there are no audio input or output devices available. The editor hangs at 83% after it initializes the AudioMixer. This issue looks like it was caused by CL 4396954. Et ...

BP - Exclusive nativization will fail at cook time if a BP class includes a ChildActorComponent with a Data-Only BP set as the ChildActor class.

Note: This does not occur when the nativization mode is set to "Inclusive" in the Project settings. Current workaround: Ensure that the ChildActor class is NOT a data-only Blueprint, by adding scri ...

Linux crash when Exporting content

When the ExportAll window is opened, changing the file type filter and attempting to edit the chosen file field causes the editor to crash. ...