Unreal Engine Issues
Unreal Engine Issues
AJA interlaced format have a strange behavior compare to Blackmagic.
UE - Virtual Production - May 21, 2019Reproduce and confirm what is going on with the input/output. AJA output in interlaced format, should provide 30 frames at 60fps. For each frame, 1 field should contains the odd line of the image a ...
UDIM UVs are wrong
UE - Graphics Features - Feb 19, 2020UE4 applies 1-x transform to V coordinate when importing UVs from mesh. This is to handle GL/D3D differences in texture origin, but it breaks UDIM page addressing. It's possible to apply a fix to ...
Artefacts with Volumetric Clouds
UE - Rendering - Features - Nov 2, 2022(Enduring Games) Please see UDN - Case includes project and potential fix from customer. Need to verify that it does not affect other parts of the volumetric composition. bHasValidSamples is the sam ...
Pink lighting artifacting on Mac
UE - Rendering - Features - Lumen - Mar 23, 2023There are pink lighting spots around the level when opening ContentExamples on Mac. Lighting starts out more intense but fades as the level loads in. Also occurs in new FirstPersonBlueprint templat ...
No deprecation message with component bound event nodes
UE - Framework - Blueprint Editor - Aug 21, 2023It appears that only custom event nodes support a deprecation message. In fact, we need all nodes that use delegates in some fashion to support a custom deprecation message. Both UK2Node_ActorBoundE ...
In Vehicle sims, CenterOfMass override isn't factored into UpdateMassProperties
UE - Runtime - Character - Mar 24, 2025Origin from this UDN ticket, https://udn.unrealengine.com/s/question/0D5QP00000sGtbO0AS/chaosvehiclemovementcomponent-intertia-tensor-isnt-adjusted-for-center-of-mass-override?fromCase=1 TLDR is th ...
Editor hang calling UMoviePipelineBlueprintLibrary::UpdateJobShotListFromSequence
zComponent - Archive - May 14, 2025Within UMoviePipelineBlueprintLibrary::UpdateJobShotListFromSequence we are experiencing an editor freeze when launching an MRQ render of sequences where a camera is unable to find a valid possessab ...
Level editor viewports crash when deleting actors after a layout change
UE - Editor - Apr 18, 2022Reported by a customer while testing USD import. See additional URL ...
Setting Runtime Generation to Static Resets Upon Closing and Re-opening Editor
UE - AI - Nov 23, 2015In Project Settings>Navigation Mesh, setting the Runtime Generation context menu to static reverts to dynamic if the project is saved, closed, and reopened. ...
Projects created outside root UE4 folder do not show up in Project Browser on Linux
UE - Platform - Linux - Nov 25, 2014If a user creates a new project on a Linux machine and specifies the project to be created in a folder outside of the root UE4 directory and /Documents/Unreal Projects/ folder, the project does not ...