Unreal Engine Issues

[Feature Request] Random number generators in UE4 have short periodicity.

Random generators in UE4 have a short periodicity. (FMath::Rand and RandomStream) I heard a xorshift variant has good characteristics. Could we consider importing it into UE4? [Image Removed] ...

Support for import/reimport of mesh LODs is unavailable in Blueprint and python

The missing API prevent clients to do good scripted import pipeline tools. there is two UDN thread that can be solve by this JIRA https://udn.unrealengine.com/questions/566538/how-to-add-a-custom- ...

iOS 14.5 - Code Signing Version No Longer Supported

Using the remote build process (making an iOS build from Windows with a remote Mac) no longer functions properly on iOS 14.5 devices. It's possible to create an ipa, but it's not actually possible ...

Niagara : incorrect rendering on D3D12 when rendering a very large number of meshes

The input argument of DrawIndirect for Niagara meshes, which is made by ComputeShader, may be invalid. This problem does not appear with -onethread command line option. ...

UMG property binding fixup for real numbers doesn't always work

For UMG delegates, we currently have a fixup pass that ensures that bound functions match the signature of the native delegate. However, the fixup appears to use the wrong function name, which cause ...

"Windows Principal functionality is not supported on this platform" when packaging for iOS on Mac

Thread here: https://github.com/dotnet/standard/issues/1279 ...

Enhanced Input duplicately fires input event when used in Widgets.

When creating a UserWidget and creating a process to receive input events with Enhanced Input, input events may be generated multiple times in duplicate. To reproduce this problem, create a Widget a ...

ShouldOnlyTriggerLastActionInChord only works for one action bound to a chord instead of any number

MoviePipeline: DWAA compressed EXRs don't support 32-bit images

Capsule overlap area different/inaccurate after simulating physics

A licensee found a problem with a capsule component used in a blueprint. A player intersecting the spherical ends of the capsule will cause it to fire overlap events. However, after simulating physi ...