Unreal Engine Issues
Unreal Engine Issues
Ray Tracing Translucency - Sample settings have no effect
UE - Graphics Features - Lumen - Oct 15, 2020Ray tracing translucency samples per pixel settings have no visible effect. Reported and tested in version 4.25.3(CL 13942748). Tested and found in versions 4.25.3 and 4.26.0 Preview 2(CL 14419252 ...
Adding an output to the default function of a Blueprint Interface now requires the Interface to be compiled in order to change the output's values
UE - Gameplay - Blueprint - Mar 15, 2022In 4.27 immediately upon adding an output to the default function that output can be edited without needing to be compiled. In Preview 2 once an output is added the Blueprint Interface needs to be c ...
Changes to InputMappingContext made during game play revert to previous state after restarting engine
UE - Gameplay - Input - Nov 21, 2022Reproduced 3/3 times. Issue also occurs in //UE5/Release-5.0 - CL 20979098 Binary. Confirmed NOT a Regression. The following Blueprint nodes are affected by the same issue:Map KeyUnmap KeyAdd Playe ...
r.GTSyncType 2 console command causes incorrect frame rate display on Windows platform
UE - Rendering - Architecture - RHI - Feb 6, 2023The FRHIFrameFlipTrackingRunnable thread is not initialized on Windows, so RHIGetFrameRate always returns zero. As a workaround, remove the code added by CalculateFPSTimings for Windows platform, a ...
Improper clipping in children of a retainer widget
UE - AI Workflows - UI Systems - Slate - Jan 21, 2025Children of retainer widgets have improper clipping, causing any widgets set to "Clip to Bounds" to clip incorrectly. This may also affect hit testing in cases where multiple retainer widgets are ne ...
Crash on project open
UE - Gameplay - Blueprint - Feb 5, 2015EDIT: CrashReporter link: [Link Removed] EDIT2: Likely also this crash: [Link Removed] EDIT3: This crash appears under a different Bugg in 4.7: [Link Removed] Engine crashed when attempting to op ...
Tiled Landscapes imported with inverted Y axis rotation in World Browser
UE - LD & Modeling - Terrain - Landscape - Feb 23, 2015When importing tiled landscapes into the world browser, the landscape tiles appear with inverted Y axis rotations. ...
Synced BB keys doesn't work
UE - AI - Feb 26, 2015It seems there's a bug that in some circumstances AI's BlackboardComponent doesn't get registered for synced keys updates. After a short investigation it turns out that some code got stomped and BB ...
[OPENGL]: Enable Subsurface Scattering
Tools - Jun 29, 2015Subsurface scattering is disabled on all OpenGL platforms despite the shaders being properly translated & OpenGL platforms supporting the relevant CPU-side APIs. This also affected Metal for the WWD ...
sphere collision with start and end points set to the same value return no hit objects
UE - Gameplay - Aug 29, 2016Sphere collision with start and end points set to the same value return no hit objects. Workaround Set the end vector to 1 away from the start vector (0,0,0 to 1,1,1, etc.) Regression (no) issue ...