Unreal Engine Issues

Vector VM - Crash / memory stomp when using > 255 external function calls

The Vector VM has only every supported a byte's worth of external function calls, when we blew the limit it would index into the incorrect VM call. The new VM will also overwrite memory when exceed ...

Preview Rendering Level Android Vulkan will crash the editor in VR Template

Editor crashes if you remove cloth from a mesh with a section selected and then close and reopen the mesh

Editor will crash if a material uses ImposterCaptureSwitch material function after build lighting

Crash freeing FClothingComboInfo array when importing LOD Level 8 of Skeletal Mesh

This does not occur in 4.17.2 at CL 3658906 ...

[CrashReport] Editor crash if set Reflection Capture Resolution to be 64 and New a Default level

It's 100% reproducable ...

Ticking world for the anim montage sequence details preview scene in widget is prone to crash

Editor Crash when selecting and deleting assets, undoing deletion in Content Examples project

I've only had this happen once. ...

Crash when trying to export unsupported Paragon Skeletal Mesh asset in 4.23

When the user tries to export the Skeletal Mesh of TwinBlast (a paragon character that can be purchased off the marketplace) in 4.23. As of the time of logging this bug it is not supported in 4.23, ...

Building a patch from the project launcher will crash unrealpak when pak encryption is enabled

When using unrealpak to make a patch, if the source pak data that a patch is based from is encrypted, you must specify the "patchcryptokeys" parameter on the command line so unrealpak knows which cr ...