Unreal Engine Issues

GPU-ARM Mali 400 series phones will render an Opaque Unlit Material as black

ARM Mali 400 Series GPUs are rendering Opaque Unlit Materials as Black instead of the designated color. This is a *regression* from 4.10.2.Devices where Issue OccursDevice NameBrandBug Description ...

Running the BuildPlugin command results in a warning that ForceCompile is not supported and an error that an item with the same key has already been added

Repro Rate: 5/5 This issue was encountered in the 5.1.0 live launcher build of //UE5/Release-5.1 at CL 23058290 and reproduced by other users. Regression tested against the 5.0.3 live launcher bui ...

Alembic Importer does not import the correct amount of curves when using the Minimum Number Of Vertex Influence Percentage setting

This is a regression from 4.14.2 ...

If Pause Event is played in second half of Fixed Frame Interval, you can't resume playing

If Pause Event is played in second half of Fixed Frame Interval, you can't resume playing. Pause event appears to fire again when trying to resume playback. To expand on the summary, if you have a ...

Full Screen Native Resolution not supported on new iPad Pro 11-inch and iPad Pro 12.9 inch (3rd generation)

A licensee has reported that Full Screen native resolution does not work properly on the iPad Pro 11-inch and on the iPad Pro 12.9-inch (3rd generation). Black borders are used around the screen ins ...

PathInstance reuse is not fully supported

Check UDN for details:FindPath repathing on partial path overrides Error result (missing path reset)FindPath doesn't update last repath time, although it does set initial value for newly created one ...

Support for render targets > 2048

We setup in the RHI the max size of a texture, but hard code the URenderTarget2D to be 2048. ...

Support Collision View for HISM

ComponentInstancingData lacks support for FMapProperty

Map and set container value overrides will be lost in a cooked build for any Blueprint component that's dynamically instanced in a cooked build if the owning Actor class enables the optimized compon ...

Megalights support for anisotropic materials

A licensee noticed that SUPPORTS_ANISOTROPIC_MATERIALS is not passed to FShadeLightSamplesCS::ModifyCompilationEnvironment for MegaLights ShadeLightSampleCS. Adding it fixes the issue. ...