Unreal Engine Issues

Unable to override private Blueprint variables in child classes

In UE4, "Private" for Blueprint variables was misnamed: its behavior actually meant "Protected". In other words, it can't be read or written to by external objects, but it can be by derived types. A ...

Cooker Generated Packages: Actors can trigger the "load" of generated packages from linker load and load them incorrectly

Generated packages have to be constructed by the cooker via FGeneratorPackage::CreateGeneratedUPackage. Some fields on the UPackage are set and ICookPackageSplitter->PopulateGeneratedPackage is call ...

Left Clicking a menu that contains an option with a submenu will cause the submenu to close while hovering its options

If a menu has an entry that is a submenu, and that submenu has entries in it that are also submenus, then the entire menu will close when left clicking the submenu button instead of hovering it. So ...

Live Link Face Connection Could Not Be Established in UE5 with MetaHuman Exported Directly From UE Quixel Asset Browser

Occurs 5/5 times. A Facial LiveLink could not be established between the MH Facial Anim BP and the LiveLink iOS app using //UE5/Release-5.0 EGL Live. Regression occurs: When tested in UE5EA a Live ...

TArrayView64 RangeCheck prints the incorrect error messages for values over 32-bit length

TArrayView64 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 regre ...

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 ...

Crash in BuildVisibleDecalList

Following the 'Working with Modular Characters - Skeletal Mesh Merge Example' results compilation errors

This is a Regression. Tested in: //UE5/Release-5.0 CL 18747223 GitHub //UE4/Release-4.27 CL 18319896 Binary The example can't be completed in UE5 as expected presumably because of a change within ...