Unreal Engine Issues

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 ...

Crash during Datasmith file import when not using Keep Hierarchy

Reported to support. The user has reported that one of their .udatasmith files will consistently crash in TM 2025.1.1 during import. This was consistently reproducible when importing using Collaps ...

HLSLCC crashed on parsing UAV related instruction

1.glsl_type with image was not fully inited with HlslName field set, causing the crash 2.seems many types of op are not support by current hlslcc, cause error msg. e.g. RWTexture2D.Load[Image Remo ...

When using StringToBytes() it returns an incorrect value

When using the StringToBytes() function it returns one less byte due to the -1 at the end of the return. The function takes a string and converts it to bytes but it always returns one less byte than ...

Bug in ULevel::FixupActorFolders.

There is a potential bug in ULevel::FixupActorFolders() in the FixDuplicateFolders section: Suppose you have a folder hierarchy that looks like this:A B(1)B(2) C(1)B(3) C(2) where the letters ...

NaN is handled differently when clamped on Windows and Android/iOS

NaN (Not a Number) is handled different when clamped on Windows and Android/iOS. If you clamp a NaN (Acheived by -3 ^ 0.2 in the reproduction project) from 0.0 to 1.0 and then print the result, you' ...

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 ...