Unreal Engine Issues
Unreal Engine Issues
Material Billboard Component doesn't respect screen size when taking into account Camera FOV and AR
UE - Platform - XR - Aug 27, 2020Material Billboard Component skews when Camera's Aspect Ratio is changed, and varies in size with changes to the Camera's Field Of View. Reported in version 4.25.3 (CL-13942748) and tested in versi ...
Light Propagation Volume does not work on Linux
UE - Graphics Features - Feb 1, 2021It's easiest to see the change on the top of the table or back of the chairs when following the repro steps. I've attached screenshots of the Windows and Linux comparison with Intensity set to 20. ...
Virtual Texturing: RuntimeVirtualTextureOutput Node Can Be Used with a Virtual Texture Domain Material
UE - Graphics Features - Jun 21, 2019When adding a RuntimeVirtualTextureOutput node to a Virtual Texture domain material, the RVT Output node overwrites any data being sent to the normal material node's output, which interferes with th ...
After loading a SubLevel from the PersistentLevel of WorldComposition, the offset of WorldComposition is applied when loading the SubLevel alone
UE - World Creation - Worldbuilding Tools - World Composition - Aug 30, 2018When loading a Sub Level from the Persistent Level of World Composition, the offset of WorldComposition is applied when loading the Sub Level by itself. The offset can be applied repeatedly when rel ...
Tool tips on the main monitor scale to the DPI of the secondary monitor.
Tools - Aug 2, 2016If the user has different DPI Scaling set on each monitor, the main monitors tool tips will change size based on the secondary monitor. ...
Preview Asset Becomes Detached from Socket When Renamed
Tools - Dec 28, 20174.17: The preview mesh disappears entirely when the name of the preview asset is changed When a preview asset is applied to a socket, and the socket is renamed, the preview asset becomes detached ...
Nanite Mesh Dither Opacity Mask Not Working in 5.6.0
UE - Graphics Features - Nanite - Jul 30, 2025In Unreal Engine 5.5.4, the Dither Opacity Mask option in a Masked material works correctly on Nanite meshes. However, in version 5.6.0, the dithering effect no longer applies to Nanite meshes. ...
Creating Actors as default subobjects causes crash (casting Outer to Level)
UE - Gameplay - Mar 18, 2016If two custom classes are created in C++ (Class A & B) and a reference to Class A is created as a member of Class B and initialized in Class B's constructor, the editor will crash once a blueprint o ...
Ensure condition failed: bPlayingBackwards ? (CurrentPosition <= PreviousPosition) : (CurrentPosition >= PreviousPosition)
UE - Anim - Sequencer - May 10, 2022The problem is caused by the animation sequence playback position being set out of range from Sequencer. The call stack is : UE4Editor-AnimGraphRuntime.dll!FAnimSequencerInstanceProxy::UpdateAnim ...
Lighting channels not working as expected when enabling Ray Tracing Shadow
UE - Graphics Features - Lumen - Oct 13, 2020Non-Ray Tracing Shadows are only cast from lights on meshes assigned to the same Lighting Channel. When enabling Ray Tracing Shadows this is not the case. Lights will still cast Ray Tracing Shadows ...