Unreal Engine Issues

Unable to import animation data from fbx with bone names starting with a number

When importing animations with numeric names from fbx in UE5.2 or later, the AnimationSequence asset is created but the animation data is not imported. The workaround is to not prefix bones with num ...

Disabling Bluetooth controllers also disables the Android Back input event

Disabling Bluetooth Controller support for Android also causes the Back button of the navigation bar to not work properly, as the input event does not fire when it is pressed. Regression?: No This ...

GameplayAbilitiesSystem: GameplayCues OnRemoved never firing

This behaviour was introduced in the following changelists in 5.3: CLs 25371706 and 25407985 https://github.com/EpicGames/UnrealEngine/commit/6e985ceeb98bc0d166756ccd3e3c0b0350d02265https://github. ...

Maximum number of State Machine connections?

Adding more than 8 connections to or from a state in the state machine results in unpredictable behavior, like causing an animation to fail. (See image.) Was able to reproduce with user's test file ...

UHT doesn't support trailing const in some declarations

UnrealHeaderTool cannot parse certain declarations with a trailing `const` instead of a leading `const`. ...

FFunctionalTestingModule::GetMapTests does not support World partition

GetAllocatedSize returns inaccurate number of bytes

When calling GetAllocatedSize() on a TBitArray it will round down the result of MaxBits / NumBitsPerDWORD. This means that not enough bytes are allocated when the MaxBits is not divisible by NumBi ...

iPhonePackager code signature not supported by iOS 15

Support RHI texture readback for non 2D textures

Nativized blueprint does not support reading values from TRange structs

Compile errors will occur during packaging with Blueprint nativization enabled if e.g. "Get" nodes are placed in a Blueprint on FFloatRange struct types (or any other explicit TRange derivative) and ...