Collision preset in StaticmeshComponent in BP instance can not be correctly modified

UE - Simulation - Physics - Jul 3, 2020

For staticmesh component in a staticmesh actor instance, the collision preset can be modified correctly. ...

Output warning log when import .paper2dsprites file

UE - Gameplay - Paper2D - Nov 21, 2020

When import .paper2dsprites file, always output warning log. It seems missmatch URL TexturePackerPrefix and AppName with metadata. - PaperJsonSpriteSheetImporter.cpp const FString TexturePacke ...

Scrolling artifacts on mobile at low FPS

UE - Platform - Mobile - Aug 3, 2016

Weird artifacts appear when scrolling through textures in a scroll box. This is more noticeable and happens more frequently at lower frame rates. View AnswerHub thread for examples of artifacting. ...

iOS launch screen might briefly appear in Portrait before switching to Landscape

UE - Platform - Apple - Nov 13, 2023

Sometimes on the first launch of the game after install, the launch image will be a cropped portrait drawn in landscape orientation, on the left side of the screen, with the top and bottom getting c ...

When enabling virtual texture lightmaps it looks different viewing

UE - Graphics Features - Lumen - May 15, 2020

After switching the Virtual texture lightmap on/off, it looks different. It looks like there is a difference in the light map because there are some missing shadows (see attached screenshots). ...

Screen Space Reflections not showing in Panoramic Capture

UE - Graphics Features - Sep 10, 2020

Reflections not showing in Panoramic Capture images. Reported and tested in versions 4.25.3(CL 13942748), 4.24.3(CL 11590370), and 4.23.1(CL 9631420).  ...

Reimport FBX does not correctly update frame-rate

UE - Anim - Runtime - Apr 2, 2024

This is an issue with the sequencer model, it does not clear its bPopulated flag so doesn't allow for changing the frame-rate to a non-compatible (multiple/factor off FPS). ...

FRuntimeFloatCurve in datatable causes editor crash

UE - Editor - Apr 24, 2024

Inside SCurveEditor::ZoomToFitHorizontal and SCurveEditor::ZoomToFitVertical, the program navigates through a TArray<FRealCurve*> called CurvesToFit in a for each loop. Inside the for loop, if the p ...

Vulkan is crashing on S7 Mali

UE - Platform - Mobile - Mar 10, 2017

Projects packaged for Android using Vulkan are crashing on S7 Mali devices. This is not happening in 4.14. ...

Reverting a BP interface category does not update the context menu

UE - Gameplay - Blueprint Editor - Jul 28, 2020