Unreal Engine Issues
Unreal Engine Issues
Player Controller does not handle multiple CharacterMovement movement modes
UE - Gameplay - Blueprint - Feb 6, 2018From Bug Submission: The variable in the image I attached is unable to distinguish between multiple characters all possessed by the same player controller. So if one character has this variable set ...
When asynchronously loading levels using the "Async Load Primary Asset" node, the dirty flag of the loaded level becomes Enable
UE - Gameplay - Jul 26, 2018Asynchronously loading a level that has one or more Actors using the "Async Load Primary Asset" node will enable dirty grug for that level asset. The cause is a modified code(CL-3764602) for the [L ...
Unreal Insights - GPU Timers don't show on Graph
UE - Foundation - Insights - Oct 27, 2023From Customer: UE 5.3 update broke Unreal Insights adding GPU timers into graph tracks. Debugging the code and cross checking with github/p4v I guess it broke in this revision: Timer graphs no ...
Rendering of a Text Widget with Outline does not track LayerId correctly
UE - Editor - UI Systems - May 27, 2025Text widget with Outline uses 2 LayerId levels to draw the outline and the text glyphs. This can be seen in function FSlateElementBatcher::AddShapedTextElement(), where lambda BuildFontGeometry() is ...
Unable to PIE + Crash after editing SColorGradingPicker
Tools - Jul 26, 2017Changing Color Grading settings of a post process volume and using "Enter" to commit changes prevents the editor from entering PIE / Simulate mode with the error message "Can't Play In Editor / Simu ...
Desynchronised playback of firstime played SoundWaves with active AudioStreamCaching
UE - Audio - Mar 25, 2020The SoundWave in the Content folder of the attached Project has been exported from Nuendo @ 120BPM 4/4, with a duration of exactly 1 Bar. The BP_Audio Actor uses the TimeSynthComponent to provide sa ...
Commonly used blueprint conversion functions should be promoted to top level category
UE - Gameplay - Blueprint - Nov 16, 2020Many useful blueprint utility nodes are buried in the Utility category and are not very discoverable by users. This leads to them choosing other nodes that are much less convenient and efficient. Th ...
Last frame pose is not evaluated when playing Anim Montage with Blend Out Time of 0 in AnimNodeSlot
UE - Anim - Gameplay - Apr 26, 2022When playing AnimMontage with BlendOutTime set to 0.f with AnimNode_Slot of AnimBP, it seems that the last frame pose may not be evaluated. this issue does not occur in high frame rate and does not ...
nDisplay VIOSO Projection Policy broken since 5.0.3
UE - Virtual Production - nDisplay - Nov 25, 2022Hi Sevan, I think we are having a bug: When using our calibration format “vwf” the image is slightly misaligned. Same calibration exported MPCDIv2 works good in UE. So it seems to be some issue ...
Crash: Direct3DDevice->CreateBuffer failed at D3D11VertexBuffer.cpp with error E_INVALIDARG
UE - Graphics Features - Jul 6, 2017This is a common crash affecting users since at least the 4.14 release. It was previously associated with [Link Removed], however that has been marked as fixed. Source Context 221 void Veri ...