Unreal Engine Issues
Unreal Engine Issues
MoviePipeline: Python Editor example can double-up objects in-scene
zComponent - Archive - Jan 4, 2022See the UDN for sample project. This is caused by the Editor Python sample not using the UMoviePipelineQueueSubsystem, which (when rendering) blocks the Sequencer from auto-binding to PIE. The fix ...
Error packaging Android after disabling Vulkan Support
UE - Platform - Mobile - Systems - Jan 3, 2023Regression: Tested in UE5/Release-5.0, this issue does not occur and is a regression. This issue occurs when packaging for Android ASTC, ETC2, and DXT. Packaging with Support Vulkan enabled results ...
Stateless Connect Handler's SessionId and ClientId checks not working with SteamSockets
UE - Online - Feb 14, 2023We've had a couple of reports of the recently added session/client id checks in the StatelessConnectHandlerComponent failing when using SteamSockets. The connections fail with the "Rejecting handsha ...
Crash when editing FRuntimeFloatCurve's curve from sequencer's edit key window
zComponent - Archive - Mar 31, 2023Crash when editing a FRuntimeFloatCurve curve exposed through EventTrack or a self-made Struct from the sequencer key edit window. FRuntimeFloatCurve does not support Expose to Cinematic, so this m ...
[AI] Stack overflow in canRemoveVertex of DetourTileCacheBuilder
UE - Runtime - Character - Sep 28, 2023User reports of stack overflow happening in canRemoveVertex in DetourTileCacheBuilder.cpp if a poly has more than 16 vertices. The array for edges is a fixed array and is written to without checking ...
Light function broken on AMD GPUs
UE - Rendering - Architecture - Dec 6, 2023The licensee reported this happening on the following cards with the latest driver versions: ● RX 6600 ● RX 5700 The Licensee reported it did not happen on these cards: ● RX 580 ● Non-AMD cards Our ...
Depth of Field blur is inconsistent with r.ScreenPercentage == 100 (Dynamic resolution)
UE - Rendering - Features - Oct 29, 2024Depth of Field, with "r.DOF.Recombine.Quality = 0" will adjust the size of the depth in focus based on screen percentage. This might be related to over-fitting from the tile classification, because ...
Cut & Paste in Sequencer breaks with Attach track
zComponent - Archive - Jan 15, 2025Cutting two tracks in sequencer, which one is attached to another one, and pasting it break with Attach track. By this operation, Attack track loses its binding object. Copying such tracks and paste ...
MID TextureCollections don't work with Post Process Overlays
UE - Rendering - RHI - Aug 24, 2026TextureCollectionParameters in a material assigned to a Post Process Overlay are not overridden by a MID because CopyInterpParameters in Engine\Source\Runtime\Engine\Private\Materials\MaterialInsta ...
CheckForWorldGCLeaks crash using New Level from Template node to duplicate sublevel of the currently loaded level
Tools - Feb 23, 2021A world leak crash occurs when using NewLevelFromTemplate to duplicate a sublevel of the currently loaded level. The crash doesn't manifest until another level is loaded even though the Sublevel ins ...