Unreal Engine Issues

Anim Curve Data Does Not Appear in Montages When Using Animation Modifier, MotionExtractorModifier

Occurs 5/5 times Regression does not occur as the MotionExtractorModifier appears to be new with UE5.  Curve data is not displayed in an Animation Montage when Animation Modifier, MotionExtractorM ...

The IndirectLightingSHSingleCoefficient for translucency on mobile is too bright

TArray64 RangeCheck prints the incorrect error messages for values over 32-bit length

TArray64 RangeCheck prints the incorrect error messages for values over 32 bit. Repro Rate: 4/4 Tested this in //UE4/Release-4.27 @ CL#18319896 and the issue did occur there, it is not a regressi ...

Reference to BP enum is not saved on integer bitmask types if the default value is "none"

Moving a water body causes engine to drop fps and spike ms

Moving a water body lowers performance on the engine. The fps drop from 120 to 30 and ms spike from 8 to 30. This issue occurs in 5.0 Binary and 4.27 Binary on Windows. On Mac, FPS drop and ms spike ...

"Assign" node can cause a crash when placed in a graph

This may only happen with upgraded projects that went from 4.27 up to 5.0.1 ...

Foliage Instance Static Meshes do not affect the Navmesh

Foliage Instance Static Meshes do not affect the Navmesh. I tried changing the Custom Navigable Geometry to 'Yes' & 'Even if Not Collidable' but got the same results. Repro Rate: 4/4 Tested this i ...

Significant Refraction Differences between 4.27 and 5.0

Crash when unloading World Composition tiles using Landscape

When unloading a tile of a World Composition map in UE5, a crash occurs when trying to deference a null pointer (World->PersistentLevel->bIsVisible) in FWorldTileModel::FWorldTileModel():// Assign l ...

Transformed convex collision generates wrong navmesh

[Link Removed] The mesh in the repro project contains a transformed convex collision, which can be moved freely in the mesh editor, so the transform must be applied in following code block. (Also se ...