Unreal Engine Issues
Unreal Engine Issues
TArrayView64 RangeCheck prints the incorrect error messages for values over 32-bit length
UE - CoreTech - Apr 29, 2022TArrayView64 RangeCheck prints the incorrect error messages for values over 32 bit. Repro Rate: 4/4 Tested this in //UE4/Release-4.27 @ CL#18319896 and the issue did occur there, it is not a regre ...
ODSC - Launching a newly created project via UnrealFrontend fails to load some materials and crashes
UE - Rendering Architecture - Materials - Sep 6, 2021The same repro steps on 4.26.2 will launch the project successfully. Packaging a project once to create complete ShaderMaps will work around the issue. ...
Cloth simulation breaking after scaling > 10
UE - Simulation - Physics - Character - Jan 4, 2023Reproduced 3/3 times, issue also occurs in //UE5/Release-5.0 - CL 20979098 Binary. Confirmed NOT a Regression. Simulation appears to work fine when scaled by 10, but any higher and it starts to mis ...
TMap and TSet variables do not display properly when inspecting in VS2015
UE - Foundation - Core - Feb 16, 2016When inspecting a TMap variable during runtime, the value of the variable is not displayed properly inside VS2015. Screenshots included to show what the TMap variable looks like in VS2013 (ProperTM ...
Compile Warning for Local TMap Variables
UE - Gameplay - Blueprint - Apr 12, 2017When using TMaps within a function in blueprints & then compiling the blueprint causes a warning to be created in the output log. In some test cases it only occurs with a local function TMap variabl ...
Center of Mass Offset tooltip incorrectly states that you can't view the CoM's location
UE - Simulation - Physics - Jan 3, 2017In the rich tooltip for Center of Mass Offset, it reads "Currently there is no way to view where the Center of Mass is actually located..." In 4.15, there's a new feature that does allow you to see ...
Editor crash with Japanese ATOK input(candidate list related)
UE - Editor - UI Systems - Localization - Jul 5, 2017This is probably a continuation from [Link Removed]. [Link Removed] fixed the crash with MS-IME input, but crash/instability can still happen with another Japanese input system, ATOK. ...
Set Morph Target not being sent to children of Inherited Mesh
OLD - Anim - Sep 4, 2015In previous versions of UE4, Set Morph target to call the Inherited Mesh and would result in any children of the Inherited Mesh that shared that morph target name to morph. In UE4.9 this no longer ...
Materials using Texture 2D Arrays fail to compile
UE - Graphics Features - Apr 29, 2020REGRESSION: Does not occur in 4.24 Materials using Texture 2D Arrays have the following errors:[SM5] /Engine/Generated/Material.ush(2225,107-114): error X3004: undeclared identifier 'Material' [S ...
Crash copying a Static Meshes primitive collision member and pasting it on another element
Tools - Jul 24, 2017Crash copying a Static Meshes primitive collision member and pasting it on another element. The pasted element seems to need at least 2 members for the crash to occur. User description: Editor Cr ...