Unreal Engine Issues
Unreal Engine Issues
Interface as a function parameter does not get set unless class directly inherits the interface
UE - Gameplay - Blueprint - Mar 16, 2017When a function takes an interface as a parameter, calling that function from a blueprint implementing the interface does not recognize the parameter unless the blueprint's parent class directly inh ...
Deleting curve from Pose Asset sets mesh back to default pose
OLD - Anim - Apr 14, 2017REGRESSION: Yes. Issue occurs in 4.15, but does not occur in 4.14.3 When the user deletes a curve from a pose asset, the mesh will revert to default pose, even if it was showing a pose. The Pose' ...
DeltaTime returns inaccurate time when Tick Interval is positive
UE - Gameplay - May 30, 2017When disabling/enabling tick at runtime, if (TickInterval == 0) then DeltaTime returns as the length of a frame, but if (TickInterval > 0) DeltaTime returns as the length between when tick was disab ...
Crash opening a structure with a circular reference
UE - Gameplay - Blueprint - Oct 23, 2017Typically users are unable to select a structs that reference each other but I was able to find a way around this by manipulating the Do Not Save functionality when closing the editor. Not a regres ...
Launching a packaged game will cause it to open on the leftmost monitor, ignoring your primary monitor
Tools - Jan 17, 2018A licensee has reported that opening a packaged game in 4.18 and onward will cause the packaged game to appear on their left most monitor, rather than their primary monitor. This was not the case in ...
Error during packaging if nativizing a blueprint that contains a TMap with TSubclassOf as a key
UE - Gameplay - Blueprint - Jun 28, 2018Packaging with with a nativized blueprint that contains a TMap with a TSubclassOf pointer as a Key causes errors, causing the packaging attempt to fail. Regression?: No Compiling the code for the T ...
Crash upon trying to add a variable to a struct array when the details panel is locked
Tools - Jul 12, 2018Attempting to add a new element to a struct array through the details panel when the panel is locked results in a crash. Regression?: No This issue did not occur exactly the same way in 4.18, but t ...
An event with Soft Class Reference as an input that is not set causes package to fail with Nativization
UE - Gameplay - Blueprint - Jul 25, 2018Having a custom event with an empty Soft Class Reference as an input causes packaging to fail if nativization is enabled as the event nativizes with a const TSoftClassPtr<>& and the compiler cannot ...
PressMethod is not called in UButton::RebuildWidget()
UE - Editor - UI Systems - Slate - Nov 5, 2018The void function UButton::RebuildWidget() does not call PressMethod when rebuilding the widget. Tested 4.19.2 (CL- 4033788), 4.20.3 (CL - 4369336), 4.21 (CL - 4537669), 4.22 (CL - 4531805) ...
Hot Reload cannot be performed when using the DebugGame Editor configuration
UE - Foundation - Cpp Tools - Hot Reload - Dec 31, 2018In 4.21.1 it is no longer possible to perform a Hot Reload when the game is open in the Editor and using the DebugGame Editor configuration. REGRESSION: Yes. A Hot Reload was possible in 4.20.3 whe ...