Unreal Engine Issues
Unreal Engine Issues
Attempting to compile an editor plugin that spawns an instance of ACullDistanceVolume causes a linker error
UE - Gameplay - Aug 9, 2018A linker error is encountered if an Editor plugin spawns an ACullDistanceVolume instance. This is caused by neither having ENGINE_API or MinimalAPI specified in its UCLASS macro. Regression?: No Th ...
TestEqual(TCHAR*, TCHAR*) function is testing pointer equality instead of values
UE - Automation Test - Oct 1, 2018A licensee has reported that the TestEqual(TCHAR*, TCHAR*) function tests for pointer equality instead of comparing two values, which does not accomplish what the function is meant to do. Regressio ...
GameplayTask classes that have a BeginSpawningActor function never call the Activate function
UE - AI - Oct 3, 2018A class that inherits from GameplayTask which also has a BeginSpawningActor function will not have its Activate function fired properly. Removing this function causes it to fire properly. Regressio ...
Adding a Pass By-Reference input parameter to an event dispatcher is allowed, but causes a warning when called.
UE - Gameplay - Blueprint - Nov 19, 2018You can add a pass-by-reference input variable to an Event Dispatcher, but it will will result in compile warnings, and changes to that input will not affect the value of the variable in the caller. ...
Wheeled vehicle movement is jittery on clients
UE - Simulation - Physics - Jan 29, 2019Vehicle movement is jittery on clients. This is most apparent when turning while driving. This was also tested in a packaged game with local multiplayer setup. Regression?: Yes This does not occur ...
Shaped Trace by channel traces do not return true when the starting and ending point are the same
UE - Simulation - Physics - Feb 18, 2019When a shaped trace by channel has a starting and ending point that is the same, it no longer returns true when overlapping an object. Regression: Yes This appears to work as expected in 4.21.2 bi ...
Crash in when setting label in ChildActor (infinite loop in PECP)
UE - Gameplay - Feb 22, 2019In void ATestActor::OnConstruction(const FTransform& Transform) there is an infinite loop occuring in a ping pong call between the SetActorLabel and the DestroyChildActor calls. Happens in vanil ...
Unable to package for Windows 64-bit while Pixel Streaming plugin is enabled
PixelStreaming - Apr 2, 2019Packaging for Windows 64-bit with the Pixel Streaming bug enabled causes the packaging process to fail. Regression?: Yes This does not occur in 4.22 release (CL#5660361) ...
RF_WasLoaded is set to False in PIE for instances of a Blueprint if the Blueprint is recompiled
UE - Gameplay - Blueprint - Apr 5, 2019The RF_WasLoaded flag is set to false for Blueprint instances in PIE if the Blueprint is edited and compiled. This is fixed by saving the level which is a simple workaround but this should be needed ...
Cannot change Collision Profile of BP component instances
UE - Simulation - Physics - Oct 24, 2019BP instances placed in level cannot have their components' collision profiles modified to anything other than default and custom. Note that this did not occur in 4.22 (after applying the separate ...