AEditorFunctionalTest doesn't show up on Frontend automatically

UE - World Creation - Worldbuilding Tools - World Partition - May 9, 2022

Reverting a BP interface category does not update the context menu

UE - Gameplay - Blueprint Editor - Jul 28, 2020

Shadows of small movable components popping out

UE - Graphics Features - Jan 19, 2017

This must be a regression ...

Skylight has too much influence on Subsurface Scattering

UE - Graphics Features - May 9, 2017

Users on the AnswerHub are reporting that Skylights have too much effect on Subsurface Scattering. The argument here seems to be Movable Skylights versus Static/Stationary and their results regardi ...

Using ConstructorHelpers::FClassFinder in a GameMode constructor may result in a default value or crash if the level is reloaded multiple times.

UE - Gameplay - Oct 27, 2015

Randomly selecting a character class from the GameMode constructor using ConstructorHelpers::FClassFinder can result in default or null character being set when the level is reloaded. It appears tha ...

A Simulating Physics component with StartAwake = false will be awoken by a Welded component

UE - Simulation - Physics - Jan 10, 2025

A Simulating Physics component with StartAwake = false will be awoken by a Welded component If a welding occurs during the call to OnCreatePhysicsState, this breaks the start awake disabled flag. Th ...

Sky artefacts when Cast Cloud Shadows enabled

UE - Graphics Features - Jul 20, 2021

Generate Lightmap UVs Fails Very Frequently on FBX Imported Meshes

UE - Editor - Content Pipeline - Import and Export - Sep 24, 2019

Generate Lightmap UVs fails very frequently on FBX imported meshes.  Found in 4.22 CL# 7053642, 4.23 CL# 8386587, 4.24 CL# 8971176 ...

Changing the state of a PrimitiveComponent->BodyInstance while SetSimulatePhysics(false) updates the game thread but does not update the physics behavior

UE - Simulation - Physics - Nov 21, 2024

Changing the state of a PrimitiveComponent->BodyInstance while SetSimulatePhysics(false) updates the game thread but does not update the physics behavior. In the repro project provided (see addl in ...

The Editor may crash in PIE mode if the Engine was built from source code using the Debug Editor configuration.

UE - Gameplay - Blueprint - Dec 4, 2014

Building the Engine using Debug Editor configuration can result in a crash if a project is run in PIE mode. No crash occurs in the same project if the Engine is built using Development Editor config ...