Unreal Engine Issues
Unreal Engine Issues
The vertex color becomes red when importing a static mesh without Color Set
Tools - Aug 28, 2018It seemed to be white at 4.19, but it seems to be red at 4.20. I found out that there seems to be a cause for initialization of Mesh Attributes. As a result of fixing this, it is now displayed in wh ...
(Regression) Risk of PostLoad() assert crash in all cooked, nativized builds with async load thread enabled.
UE - Gameplay - Blueprint - Oct 25, 2018This is a regression that was introduced by the fix for [Link Removed]. As a result, we can potentially hit an assert in a cooked, nativized build during async load of a non-nativized Blueprint CDO ...
Dynamically Created Render Target Does Not Work in Packaged Project
UE - Graphics Features - Mar 27, 2019Dynamically created render targets do not work as expected when packaged for windows. If it is replaced with a static render target, it works fine. Found in 4.20 CL# 4369336, 4.21 CL# 4753647, 4.22 ...
Niagara GPU particles will always have a lifetime of one second if they use a Collision Module
UE - Niagara - May 2, 2019GPU Particles will always have a lifetime of one second when using a collision module. This is a result of an issue with how off screen timing is handled. GPU particles that are off screen should on ...
Material Parameter Collection Values not Updating in Simulate if "Run Dedicated Server" is Checked
UE - Networking - Jul 15, 2019Material Parameter Collection Values not Updating if "Run Deadicated Server" is Checked Working as expected in 4.21 CL# 4753647 Found in 4.22 CL# 7053642, 4.23 Preview 1 CL# 7236301, and 4.24 CL# ...
Adding Niagara system to a projectile causes a crash
UE - Niagara - Jul 29, 2019Adding a Niagara system to a BP_Projectile in a C++ First Person Project and then restarting it causes the editor to crash. Tested in 4.21.2 (CL - 4753647), 4.22.3 (CL - 7053647), 4.23 (CL - 744 ...
FloatCurveAsset reference is lost when reopening a Struct
UE - Gameplay - Feb 18, 2020Structs containing references to instances in the content browser of FloatCurves fail to store these data formats as default values. This was reported and tested in 4.24.2 (CL-11100242). This was r ...
In blueprint component details not showing after changing component class
UE - Gameplay - Blueprint - Mar 31, 2022It was noticed that after changing the class of the component and restarting the editor, the Detail panel is no longer displayed, which makes it impossible to work with it. Repro Rate 5/5 Regressi ...
Some fractured meshes do not retain their original normals after fracture
UE - Simulation - Physics - Destruction - May 6, 2022Fractured meshes with weird Normals/Reflections. You will see weird normals / reflections on the surface, seems each fracture piece has it's own reflection angle. Repro rate: 3/3 Tested this in // ...
Panorama plugin for Movie Render Queue renders black images
UE - Anim - Sequencer - MRQ - Dec 15, 2022Regression: Tested in UE5/Release-5.0, and the issue does not occur, so regression is yes This issue also occurs when you set "Enable alpha channel support in post processing (experimental)" to "Al ...