Unreal Engine Issues
Unreal Engine Issues
wire import crash on file generated by alias 2021.3
UE - Editor - Content Pipeline - Import and Export - Jul 20, 2021Our company has updated Alias to 2021.3.1 and now Datasmith crashed when importing .wire files. Previously we had Alias 2019 and Alias 2021.1 installed. Now just Alias 2021.3.1 and then the issue be ...
Missing assignment/recursion in UHLODProxy::FindFirstActor can potentially lead to an infinite loop
UE - World Creation - Worldbuilding Tools - HLOD - Aug 13, 2018User reports on the forums of being stuck in an infinite loop and noticed a dead branch in the titled function:The body of if (SubLODActor) doesn't actually do anything, guaranteeing an infinite loo ...
Building Lighting will Generate Additional Lightmaps after Rotating Lightsource
UE - Graphics Features - Jul 7, 2015Lightmap sizes seem inconsistent after rotating a light source and rebuilding the lighting. This causes concern about file sizes when packaging the project that is using baked static lighting. The ...
Lansdcape grass generation fails on Mac running OSX 10.10.1
UE - Platform - Mobile - May 12, 2015Grass map heights all appear to be 0 when generating grass on a Mac running 10.10. This bug does not occur on Macs running OSX 10.9.5 Putting a breakpoint in LandscapeGrass.cpp line 476 you can se ...
Duplicate .so files in GoogleVR.
UE - Platform - XR - Jun 2, 2017A licensee recently pointed out that there are now several GoogleVR lib files in 4.16 that are present in the Engine twice due to some of them being copied into a subdirectory. For example, , in 4.1 ...
Crash When Toggling Visibility of Level with Planar Reflection
UE - LD & Modeling - Terrain - Landscape - Mar 26, 2018This crash occurs in 4.19 and 4.20 but not 4.18. Repro'd in 4.19.0-3944462 and 4.20.0-3955769 and 3964322. This is a regression. Per UDN licensee: When I'm showing/hiding levels in editor (in le ...
Stencil that has been marked with ResponsiveAA is cleared by DistortionPass
UE - Graphics Features - Dec 14, 2021From UDN: When an object with ResponsiveAA enabled is in the screen and then an object with Distortion enabled comes into the screen, ResponsiveAA does not work. I guess this is because the Ste ...
Delay nodes occasionally don't fire the "Completed" output in a nativized build.
UE - Gameplay - Blueprint - Jun 13, 2018This happens when the 32-bit LatentUUID signed integer that we generate for the delay node starts with "-1" when converted to an FString (e.g. "-1824950080"). During compilation, we pack latent fun ...
Editor crashes on launch with Intel graphics on El Cap
UE - Graphics Features - Jan 19, 2017Assertion failed: GMaxRHIFeatureLevel == ERHIFeatureLevel::SM5 [Link Removed] [Line: 39] Run with the following command line: EngineQAs-MacBook-Pro:~ engineqa-admin$ /Users/Shared/UnrealEngine/4.15 ...
Default value lost when placing a struct within a user defined struct
UE - Gameplay - Blueprint Editor - Sep 18, 2017The default value of a child struct that is added to anther struct is not retained in the parent. An example would be if the child struct contains an integer, the default value when added to another ...