Unreal Engine Issues
Unreal Engine Issues
Timer does not work in Object Class Blueprint
UE - Gameplay - Blueprint - Oct 10, 2017After creating a timer in an Object Blueprint, timer is not called as intended. "InitObject" Event fires but "Call Function" function does not Reproduced in: 4.17.2 CL 3658906, 4.18 P3 3676890 Un ...
Move To Location or Actor Not Working if Location is Outside of Navmesh
UE - AI - Oct 17, 2017Move To Location or Actor will always fail if the target location is outside of the Navmesh, even if Use Pathfinding is disabled. Found in 4.18 P4 CL# 3685441. Reproduced in 4.17.2 CL# 3658906 & 4. ...
VREditor: Right eye freezes when looking at a selected object with temporal upsampling enabled
UE - Platform - XR - Feb 27, 2018The right eye of the HMD freezes when looking at an object that has been selected in VR Mode with Temporal Upsampling on. Happens with both Vive and Oculus. I did not see this when playing in VR. I ...
Planar reflections move up and down while reflective surface rotates
UE - Graphics Features - May 24, 2018Whenever you have an actor on top of a reflective surface while its moving the reflection will display inaccurately as if the object is moving away or toward the reflective surface. Found in 4.19 C ...
Instanced Subobjects on Children BPs point to Parent BP's instance if both are loaded when creating the object
UE - Gameplay - Blueprint - Jun 27, 2018The Instanced Subobject values for the Child_BP are same as what the Parent_BP subobject values are changed to before compile and saving both Blueprint Objects. Tested in 4.18.3 (CL-3832480), 4.19. ...
When Packaging a Blueprint Nativized Game, Child Actor BeginPlay is ignored and Parent BeginPlay is triggered instead
UE - Gameplay - Jul 5, 2018In a Blueprint Nativized Packaged Game a child Blueprint will trigger its parent logic instead of its own when it is called. This was reported in 4.20 Preview 5 (CL-4173640). This issue has been r ...
Copying an instance of a blueprint actor that has an extra, non-default element in an array does not copy that extra element
UE - Gameplay - Blueprint - Jul 16, 2018Copying a blueprint instance that has an array does not copy any elements added to that array directly on the instance and only copies the blueprint's default array elements This worked in 4.13 and ...
IsTraceHandleValid with default FTraceHandles has unexpected behavior on the first frame
UE - Simulation - Physics - Sep 18, 2018Because both FWorldAsyncTraceState's CurrentFrame and FTraceHandle are default initialized to 0, on the first frame, if a new Asnc Trace starts all default FTraceHandles will reference the same (now ...
"Failed to find object 'Class None'" in project log after creation
UE - Foundation - Core - Nov 17, 2014Users reported seeing the line "LogUObjectGlobals:Warning: Failed to find object 'Class None.'" in the Output log after creating a project. I was able to confirm in a new blank code project without ...
Execution reroute nodes become wildcard reroute nodes when creating a second reroute node off the same execution pin
UE - Gameplay - Blueprint - Sep 21, 2015Execution reroute nodes become wildcard reroute nodes when creating a second reroute node off the same execution pin. Note: this does not appear to affect their functionality as execution reroute no ...