Unreal Engine Issues

Extreme hitching when using profile command (stat startfile) + other stat commands

Running the "stat startfile" command in a 4.19 project causes constant editor hitching. Running the same command in a 4.18 project does not produce any hitching by comparison. ...

Showing black screen when drawing Distortion and DOF on Android

[Link Removed]I think it is because that the "bOnChipSunMask " is false as Distortion activated (MobileShadingRenderer.cpp line 378),  the "UseFetch" is true as the Android device support shader fra ...

WMR native plugin trigger axis not working

We are testing the new Windows Mixed Reality native support and have found that the trigger mapping to a button is working, but the trigger mapping to an axis is not, i.e. the event MotionController ...

ShouldRender() in USceneComponent Doesn't Check Against IsVisibleInEditor()

IsVisible()/IsVisibleInEditor() should be a contribute to the logic in ShouldRender(). NOTE: This code was written during the UE3 life cycle. Found in 4.22 CL#7053642 ...

Game crashes when Panini projection enabled.

Default pose is displayed in the first frame when playing with Sequencer

The problem is that the camera is evaluated when the sequencer is played, but the animation does not seem to play properly. It seems that the licensee found this problem when implementing it in C++, ...

Cannot navigate to native function source code from blueprint editor

REGRESSION RANGE WORKING: 9404494 (right before Dev-Core copy up at 9405827 BROKEN: 9407021 (Dev-Networking copy up) NavigateToFunctionSource: Unable to find symbols for 'UPaperFlipbook::GetNumFr ...

EditCondition doesn't work on C-arrays

Toggling a bool doesn't enable/disable the elements of the array similarly to how it does for TArray in the details panel. Static arrays should have the same semantics as TArray with regards to edit ...

Text3d renders backwards.

When adding a Text3D actor (after placed as Child Component), into viewport the actor renders backward and not as expected. I was able to reproduce this issue in 4.25.3, but did not have this issue ...

Crash enabling Stochastic Rect Light with Ray Tracing

Enabling Stochastic Rect Lights with Ray Tracing causes the project to crash. Reported and tested in version 4.26.0(CL 14419252). Tested and not found in version 4.25.3(CL 13942748).  ...