Unreal Engine Issues

AllowCommandletRendering D3D12 device crash

Distance Field shadow culling when view is at certain angles

Distance Field shadows are culled for larger meshes at certain angles of the cameras view position. Map with reproduced setup is attached. ...

Changes in Scale are not replicated on the Client through RPCs

Changes in Scale are not replicated on the Client through RPCs. Location and Rotation are replicated as expected. Reproduced in 4.7.6 binary and Main (//depot/UE4/Promotable-CL-2522625) ...

Planar Reflections on Mobile short view distance for non single plane faces

Planar Reflections on mobile work well with single plane assets but not with anything with multiple sides, like a box. Tested in: 4.12.4 CL-3028348 4.13 Dev-Editor CL-3038075 ...

Component properties cannot be edited for instances of a Blueprint if more than one instance of that Blueprint in the level is selected

Properties of components that are added to a Blueprint cannot be set in the Details panel for instances of that Blueprint in the level if multiple instances are selected. These components also do no ...

OnHit not firing when capsule collider passes onto very close and same height mesh

When a capsule collider passes from the top of one piece of geometry to another that is very close the OnHit event doesn't fire. I have attached a project that demonstrates the issue in 4.23. A vid ...

Sequence with restore state set is causing a "Fatal world leaks detected" crash

We recently had a few occurrences of crashes caused by a "Fatal world leaks detected" error when unloading a level (in a packaged game and in editor). I tracked down what was keeping a references t ...

'Is Case Sensitive' option on the Switch on String node doesn't toggle correctly

'Is Case Sensitive' option on the Switch on String node doesn't toggle correctly. User Description: The "Is Case Sensitive" option when you use a switch on string function in blueprint doesn't wor ...

FVoiceSerializeHelper doesn't add references to AudioComponent instances

"FVoiceSerializeHelper doesn't add references to AudioComponent instances" ShooterGame crashes when following the repro steps provided by the licensee, listed below and on the UDN post. Crash image ...

Odd behavior when moving a large number of assets

User is experiencing his PC running out of memory when he does large move/copy operations in the content browser. There are a few issues with this process. The first is that attempting to drag any ...