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. ...

Occlusion Culling incorrectly culling objects

UE - Graphics Features - Aug 26, 2020

When playing in PIE/camera moving from left to right, pieces of the floor grid are culled out when they are not supposed to be. I was able to replicate this issue, however after I brought up the c ...

Executing r.setres does not render correctly when Orientation of Display is Portrait on Windows PC

UE - Rendering Architecture - RHI - Feb 5, 2021

This issue will display correctly in Portrait if you don't specify a resolution, but using r.setres will display it incorrectly. ...

Clothing tool may generate an unsmooth display mesh on 4.26

UE - Simulation - Physics - Character - Mar 23, 2021

This is related to the optimization applied in CL#13181876. Binding simulation mesh to display mesh can't find the nearest triangle when a triangle is located near the AABB boundary. ...

[Sequencer][Audio] - Soloing a nested audio track mutes all tracks

UE - Audio - Sequencer - Jan 20, 2022

When soloing an audio track in sequencer, all the tracks are muted and nothing in soloed. Attached video shows Mute working correctly followed by Solo not working[Link Removed] Cannot reproduce i ...

ActorComponent's focus changes unintentionally

UE - Gameplay - Blueprint Editor - Apr 13, 2022

If you do not compile at the inherited actor, the problem does not occur. ...

Modules tab fails to load when rebooting a project.

UE - Editor - Workflow Systems - Apr 19, 2022

If the user makes a project where the modules tab appears in Tools > Debug and then reboots the project, the modules tab disappears. This only happens if the project that is loaded has the module ta ...

PIE crash on infinite loop in a BP construction script

UE - Gameplay - Blueprint Runtime - Oct 19, 2023

From the [Link Removed]: We had an issue where PIE was being stopped due to an "infinite loop" being detected in one of the blueprints construction script. This was also crashing the editor as the ...

Lumen scene view - spot light cut off

UE - Rendering Architecture - Dec 1, 2023

This looks to be an issue with shadows in Lumen Direct Lighting, and might be coming from the "Batched lights" pass. ...

Opening Sprite assets or Paper Flipbook crashes the engine in 5.3

UE - Gameplay - Paper2D - Apr 16, 2024

Licensee was not able to open any Sprite asset file in 5.3 without it causing a crash. They were able to avoid this by disabling raytracing in the project. ...