CharacterMovement doesn't clear velocity

UE - Simulation - Physics - Oct 11, 2024

Velocities are not being cleared when physics simulation set to false.  ...

Incorrect resolution used because SetProcessDpiAware() is not called when bAllowHighDPIInGameMode=False

UE - Rendering Architecture - Aug 8, 2025

The incorrect resolution is used on computers with 4k monitors that use DPI scaling (default 150%) because the default for UE projects is bAllowHighDPIInGameMode=False which results in SetProcessDp ...

Transformed convex collision generates wrong navmesh

UE - AI - Navigation - Apr 25, 2022

[Link Removed] The mesh in the repro project contains a transformed convex collision, which can be moved freely in the mesh editor, so the transform must be applied in following code block. (Also se ...

Custom data update crash - invalid memory when removing an instance from a UHierarchicalInstancedStaticMeshComponent

UE - World Creation - Worldbuilding Tools - HLOD - May 3, 2022

This is a race condition, did not crash with -onethread. Attached the collected threaded callstacks, although they look misaligned. Licensee has provided a suggested fix. ...

Engine Source is no longer part of xcodeproj

UE - Platform - Apple - Jun 15, 2015

Reported by a user on AnswerHub, but when creating a code project with Binary Install, the Engine source is no longer included/visible in the .xcodeproj. This does not occur on Windows with VS ...

Assert when toggling RHIThread

UE - Rendering Architecture - RHI - Oct 12, 2023

Lit Translucency Receiving Shadows with Forward Shading Enabled

UE - Graphics Features - Aug 13, 2018

When forward shading is enabled, particles that have materials with their lighting mode set to "VolumetricNonDirectional" will recieve shadows. Attached images provided by user. Found in 4.19 CL# ...