Unreal Engine Issues

[CrashReport][Crash] UnrealEditor-Core!IMemoryReadStream::CopyTo()

Intermittent crash in virtual texture transcode. Usually mempy from nullptr but also occasionally we see the same callstack with memcpy to random location. ...

Editor Crash on Mac after creating blueprint structure

Creating a blueprint structure in the content browser causes the editor to lock up and become unresponsive. ...

OSVR crashes UE4 on exit of -game -vr

Found on: //UE4/Dev-VR CL-2967563 Sometimes (3/5), when exiting -game -vr with the OSVR running, UE4 will crash. ...

"Content Examples" project's navmesh crashes editor

In UE4.5, Opening a Content Examples project and opening the "NavMesh" level, selecting "SM_DemoCube" and moving it results in the editor crashing according to user. ...

Crash copying Geometry Cache Track in Sequencer

Geometry cache section  will crash in PostLoad when track is copied. See UDN for alternative repro steps and more info on attached repro project. ...

4.22.1 Crash in FVulkanResourceMultiBuffer::Lock

Vulkan Multibuffer Lock mechanism for ReadOnly does not appear to be implemented. Temporary workaround has been provided to licensee. ...

Changing Material for Landscapes with Visibility tool causes Crashes

After a user creates a hole using the visibility tool on a landscape UE4 crashes. ...

Crash when attempting to save Soft Object Reference

Engine will crash when attempting to save soft object reference. "FArchive does not support FSoftObjectPtr serialization. Use FArchiveUObject instead." Also reproduced in Main CL #4247864 ...

Crash on mobile OpenGL with a retainer box

QAGame Crashes on launch on iphone 6 (iOS 8)

this crash was encountered during the mobile compat for 4.15. So far, just this device has been affected. ...