Unreal Engine Issues
Unreal Engine Issues
Maps of Wildcard type do not propagate values correctly when inside of macro
UE - Gameplay - Blueprint - Dec 7, 2017There is an issue with Maps of Wildcard type that do not propagate values correctly when inside of macro. When using these in a blueprint there are errors and the blueprint cannot compile. This issu ...
Jittering effect with Physics Constraint Actor using Linear Limits
UE - Simulation - Physics - Mar 26, 2018Jittering effect with Physics Constraint Actor using Linear Limits. This only seems to affect the Physics Constraint Actor from the Modes panel, with the static mesh starts near the physics constrai ...
Depthfade will not work properly on some Android devices If separate translucency is enabled
UE - Platform - Mobile - Jun 8, 2018Depthfade will not work properly on some Android devices If separate translucency is enabled. In the case of the attached project, drawing near the material using depthfade is strange. This issue p ...
Child Actor components on Clients use the incorrect default values for variables that are not being replicated
UE - Gameplay - Blueprint - Aug 28, 2018When a Child Actor's class is replicated but the individual variables are not, the individual variables will use the default of the original BP class instead of the defaults that were set in the Chi ...
EarlyZPassOnlyMateriaMasking Makes Masked Materials on Particles Flicker When Close to the Camera
UE - Niagara - Oct 12, 2018When "r.EarlyZPassOnlyMaskedMaterials" is enabled, masked materials used with particles will flicker when close to the camera. Found in 4.17 CL# 3658906, 4.18 CL# 3832480, 4.19 CL 4033788, 4.20 CL# ...
SceneCapture2D Component Show Flags that are Modified in a Blueprint initially are Copied not Referenced
UE - Graphics Features - May 17, 2019If you disable show flags in a SceneCapture2D component of a Blueprint, trying to re-enable them in the Blueprint will not update instances in a level. Anything that was left alone will change along ...
Keys applied in Sequencer to Exponential Height Fog's Fog Density (Second Fog Data) are applied to primary fog density
UE - Anim - Sequencer - May 29, 2019Sequencer keys applied to an Exponential Height Fog actor's Second Fog Data | Fog Density are applied to the fog actor's primary Fog Density instead. Second Fog Data was introduced in 4.22. This w ...
Creating Online Session always fails in Launch mode when loading another map
UE - Networking - Aug 5, 2019Creating an Online Session and transitioning to another map does not work in a Launched Windows game. The transition event does fire but it just resets the players position on the Default map. This ...
VFInitRotation(Cascade) always provides the same rotation
UE - Niagara - Jun 30, 2020This problem caused by incorrect initialization of RandomStream in the GPU particle. //PaticleGpuSimulation.cpp virtual void Init() override { ... check(AllocatedTiles.Num() == TileTimeOfDe ...
Nvidia Graphics Drivers cause editor menus to flicker and disappear after using the editor for an extended period of time
UE - Graphics Features - Apr 16, 2021This issue seems to be occurring on a variety of Nvidia cards. So far, I haven't seen any indication that it is affecting AMD graphics cards. The majority of the reports have indicating that the pro ...