Unreal Engine Issues

Crash on setting Material in Element 1 of Combined Mesh

Crash on clearing or setting the second or third material slot in the Static Mesh Editor on an imported combined FBX Mesh. Also Reproduced in Main Promotable-CL-2484152 (Perforce) NOTE: User is o ...

Event dispatchers show replication settings but don't support replication

We should ideally hide the setting, but at the very least we can make it a warning if you check it indicating it's not gonna do anything. [Link Removed] ...

Regression: "Object Position" node in Light Function materials did not compile up to UE 5.0. Starting with 5.1, it compiles but outputs garbage values

Up to UE 5.0, when the "Object Position" node is used in the Material Editor as part of a material with Light Function domain, attempting to compile the material results in the following error: "[SM ...

Number of Frames in Animation Change on Import When the Frame Rate is Set to 30 or 60 in Maya

-When imported into 4.17.2 the 30fps animation had 42 frames. In any engine version after the animation has 17 frames -The 60 FPS animation only has 7 frames in all engine version ...

COM Media Type error in video writer on 8K videos

360 videos set to 8K resolution will fail to render in Twinmotion 2024.1.2 and newer Render attempts will end abruptly shortly after being initiated with the following error message ion the logs L ...

Texture share plugin for UE5.1 could not work as expected.

FSkeletalMeshMerge::CalculateLodCount calculates minimum LODs improperly

CalculateLodCount tries to bound the output LOD count as at least one (count >= 1), but actually bounds it as no more than 1 (count <= 1). Just need to change a FMath::Min to FMath::Max. ...

UMG Designer preview: Incorrect resolution on Samsung s8 and s9

"By default, the device profile for android_high (which is used by phones such as the galaxy s8 and s9) gives a scale factor of 1.0 resulting in 1280x720. When choosing a ~2:1 device such as the gal ...

Post processing bloom threshold activates when the threshold is >0 instead of >-1.

Replacing blueprint assets causes editor to crash

When attempting to replace references of one blueprint with another a number of error message windows pop up ([Link Removed]) and the editor will crash. This is a regression since it was working in ...