Unreal Engine Issues

Static mesh with simulate physics does not update for clients joining after a session has started

Static mesh with simulate physics does not update for clients joining after a session has started ...

Dataprep Import Causing Unloaded Stream Levels to Reappear in Editor

RVT Tiles Update Slowly When Enabling Nanite Tessellation On Landscapes

Setting "Is Enabled" via the animation timeline in UMG does not appear to work at runtime

Setting "Is Enabled" via the animation timeline in UMG does not appear to work at runtime ...

Crash on Mac for some 4.16 users while opening editor, related to Xcode

This is a common crash on Mac in the 4.16 release. The callstack is fairly generic , so it shares similarities with other Jiras such as [Link Removed] and [Link Removed], but this issue is differen ...

FMath::Eval ignores groupings while solving

This is not a regression. Tested in //UE5/Release-5.0 CL20979098 FMath::Eval ignores groupings while solving problems. This has caused some confusion with users who are expecting the groupings to b ...

Material Layers Ignore Virtual Texture Sampler Restrictions

Virtual Textures can be assigned to Texture Sample Parameters that are not configured for Virtual Textures, if that parameter is inside of a Material Layer. Also found in Release-5.4, CL 32426910 ...

Translucency area has stripe-style issue on TSR

The TSR History Rejection buffer develops a grid-like artifact over translucent, camera-facingplanes. This problem can be mitigated by increasing r.TSR.ShadingRejection.TileOverscan from 3 to 4 with ...

Object Load order issue in Blueprint Editor

[Image Removed] change FindObject to StaticLoadObject might fix this issue ...

Duplicating SkeletalMesh in packaged game causes crash

This code worked until UE5.4. NaniteResource added in 5.5 causes this issue. ...