Unreal Engine Issues
Unreal Engine Issues
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 ...
GetWorldTimerManager() function can crash if called when no valid World is present
UE - Gameplay - Jun 13, 2018A crash can occur within GetWorldTimerManager() if the function is called when no valid World is present. It is not necessarily intuitive to have to make sure that GetWorld() will not return a nullp ...
TextScale parameter doesn't change size of text in AddOnScreenDebugMessage()
UE - Foundation - Core - Jun 16, 2018The textScale parameter in AddOnScreenDebugMessage does not change the scale of the debug message. ...
Calling DiscardPlayerInput() does not appear to actually discard the player's input
UE - Gameplay - Jun 19, 2018Calling DiscardPlayerInput() does not appear to actually discard the player input. The comment for the function indicates that input will be consumed and discarded without doing anything with it. Ho ...
Invalidation box appears inconsistent when using child widgets
UE - Editor - UI Systems - Jun 21, 2018Invalidation box appears to be inconstant when using a child widget that has been added via the user created section. A child widget that modifies itself will not update when placed inside of an inv ...
DestroyComponent(bPromoteChildren=true) does not try to use the socket name of a child when attaching it to the grandparent
UE - Gameplay - Components - Jun 20, 2018User reports that when we delete a component in the hierarchy and promote a child component in its place, we don't account for the socket name that the deleted component had used previously. ...
Plugin module is not reloaded when a game module that depends on the plugin module is hot reloaded
UE - Foundation - Cpp Tools - Hot Reload - Jun 28, 2018Performing a hot reload after modifying game code (plugin code is unmodified) does not also reload plugin modules. In the attached project, there are some log messages output when the plugin module ...
Niagara Not Working with Volumetric Materials
UE - Niagara - Jul 13, 2018Niagara will not work with Volumetric Materials. Found in 4.20 Preview 5 CL# 4173640 and 4.21 CL# 4207835 ...
Niagara Particles don't work with Instanced Stereo Rendering enabled
UE - Niagara - Jul 13, 2018With Instanced Stereo enabled, CPU Niagara particles are not visible, GPU Niagara particles render in left eye only. ...
When using a NavModifier with a NavBoundsVolume being in a SubLevel, unloading the level causes a crash.
UE - AI - Jul 19, 2018When repeatedly loading and unloading sublevels with a NavBoundsVolume, it will cause a crash when using a NavModifierVolume. When the NavMesh is unloaded, it seems that the number of the DirtyLayer ...