Unreal Engine Issues
Unreal Engine Issues
BlueprintNativeEvents with no return value (void) cannot be overridden in Blueprints.
UE - Gameplay - Blueprint - Dec 22, 2014BlueprintNativeEvents (and BlueprintImplementableEvents) are not available to be overridden in a Blueprint Graph if they do not return a value. This affects both functions present in source code, as ...
Node MinimumAreaRectangle produces wrong centerpoint
UE - Gameplay - Feb 15, 2019The centerpoint for the MinimumAreaRectangle function returns the wrong value when applied. Tested in 4.21.2 (CL - 4753647), 4.22 (CL - 4958263) ...
Packaged Game Crashes When Launched with the -dx12 for Ray Tracing Features and PixelStreaming enabled
PixelStreaming - Apr 3, 2019Packaged game crashes when launched with the -dx12 option and PixelStreaming is enabled. Found in 4.22 CL# 5660361 and 4.23 CL# 5704223 ...
Refraction of Ray Traced Translucency in Path Trace View is Incorrect
UE - Graphics Features - Lumen - Apr 8, 2019Refraction of Ray Traced Translucency in Path Trace View is Incorrect. Found in 4.22 CL# 5660361 and 4.23 CL# 5779284 ...
Black Lines on Meshes with Ray Traced Global Illumination Enabled
UE - Graphics Features - Lumen - Apr 22, 2019Black Lines on Meshes with Ray Traced Global Illumination Enabled. Found in 4.22 CL# 5660361 and 4.23 CL# 6037269 ...
Crash when trying to open a widget after upgrading project
UE - Foundation - Core - Jul 1, 2019A user is experiencing a crash after upgrading their project from 4.21 to 4.22. This crash did not occur in the 4.21 version of the engine. [Link Removed] ...
Crash occur when using AddSpawnableFromClass with BlueprintGeneratedClass specified
UE - Anim - Sequencer - Aug 13, 2019BlueprintGeneratedClass is not based UBleupint. So the following code is failed. bool UActorFactoryBlueprint::PreSpawnActor( UObject* Asset, FTransform& InOutLocation) { UBlueprint* Blueprint = ...
Font advance and fallback font metrics have issues in 4.16
UE - Editor - UI Systems - Slate - Jun 5, 2017There were some font regressions in 4.16 that we've since fixed (CL# 3456916 and CL# 3425681). These are affecting live users so we should get them into the next 4.16 build. ...
Lighting Channels Do Not Function with 78+ Lights on Actor
UE - Graphics Features - Oct 20, 2017Lighting channels do not function when the number of lights affecting actors is 79 or higher. Any number of lights that is 78 or fewer will honor lighting channel assignments. ...
Unable to Play Sequence in PIE when changing levels in C++ with ClientTravel()
UE - Anim - Sequencer - Oct 25, 2018Changing levels with ClientTravel() breaks ability to activate sequence. Client Travel API: [Link Removed] Confirmed in 4.22 MAIN at CL 4503321 ...