Phones with no magnetometer -> GetInputMotionState returns all 0s

UE - Platform - Mobile - May 23, 2018

Bug submission from a user overseas: " On some devices (Moto G5 Plus, Moto G5 S Plus) the values are always 0 like : Tilt : 0.00.00.0 RotationRate : 0.00.00.0 Gravity : 0.00.00.0 Accleration : 0.00 ...

FFunctionalTestingModule::GetMapTests does not support World partition

UE - World Creation - Worldbuilding Tools - World Partition - Mar 15, 2022

GetAllocatedSize returns inaccurate number of bytes

UE - Foundation - Core - May 20, 2015

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

UE - Platform - Mobile - Sep 27, 2021

Support RHI texture readback for non 2D textures

UE - Rendering Architecture - RHI - May 22, 2019

Nativized blueprint does not support reading values from TRange structs

UE - Gameplay - Blueprint - May 10, 2021

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 ...

AbcImporter for Skeletal Mesh doesn't support material slot naming

UE - Editor - Content Pipeline - USD - Apr 18, 2022

Changing number of existing UHierarchicalInstancedStaticMeshComponent in Blueprint causes crash.

UE - Graphics Features - Oct 14, 2016

If using a UHierarchicalInstancedStaticMeshComponent in a C++ class and adding instances via the OnConstruction( ) function, editor can crash. ...