Unreal Engine Issues
Unreal Engine Issues
Static lighting isn't bouncing when using Layered Materials
UE - Graphics Features - Lumen - Aug 13, 2020Static lighting will not bounce on the ceiling when using a Layered Material. The Material Attributes Layers node is used which doesn't appear in 4.24.3 so this isn't a regression. This was report ...
DOF - TAA pass ghosting when using r.DOF.TAA.CoCBilateralFilterStrength
UE - Rendering - Graphics Features - Aug 7, 2025In Unreal 5.6, there's a new CVar: r.DOF.TAA.CoCBilateralFilterStrength, which should help with ghosting artifacts introduced by TAA in DOF passes. However, it doesn't work as expected since many gh ...
The Nativize Blueprint Assets option causes C++ collision components to ignore their extents set in a blueprint
UE - Gameplay - Blueprint Runtime - Jan 11, 2017Using the Nativize Blueprint Assets option can cause the extents of a collision component defined in code and inherited by blueprints to use its default values in a packaged build instead of the ext ...
App Cannot be Selected as the Tool for Diffing Text on a Mac
Tools - Mar 21, 2017Editor Preferences -> General -> Loading & Saving> Source Control: the "Tool for diffing text" dialog box doesn't let you choose an application, because the file extension is set to .exe (for Windo ...
Skeletons don't cook in a deterministic way
OLD - Anim - May 11, 2017The "Rifle_Skeleton" asset in ShooterGame doesn't cook deterministically, and as such is always included in patches. Possible regression of [Link Removed] ...
Japanese language input keys/Menu key zoom out graph view
UE - Editor - UI Systems - Localization - Oct 31, 2017When using a Japanese keyboard, using Japanese language input special key(halfwidth/fullwidth/kanji key) zooms out graph view in BP editor and Material editor. It seems the menu key makes the editor ...
Particle systems have frame rate dependent simulations when Min Time Between Ticks is set, and ticking is managed
UE - Niagara - Jun 11, 2019Managed ticking when combined with Min Time Between Ticks will cause particle velocity to vary depending on frame rate. ...
Exposure Metering Mode "Auto Exposure Basic" Disables Histogram Min/Max Control
UE - Graphics Features - Oct 11, 2018Auto Exposure Basic disables histogram min/max controls. Working as expected in 4.19 CL# 4033788 and 4.20 CL# 4369336 Found in 4.21 Preview 1 CL# 4435822 and 4.22 CL# 4448303 This is a regression ...
Setting KeepState as default in LevelSequences makes Sequencer blend animations not as expected
UE - Anim - Sequencer - Nov 27, 2018Setting "Keep State" for an animation in sequencer makes the sequence behave differently in Sequencer and in Play Mode. The animations appear to be blending together instead of having normal transit ...
Trace Hit.Z varies strangely based on trace start/end Z
OLD - Anim - May 8, 2017The Z value of a trace hit will vary based on the Z value of the start/end points of the trace. The larger the start/end Z range, the larger the variance of Hit.Z values. ...