Code Projects do not upgrade cleanly to 4.16

UE - Foundation - Core - May 4, 2017

When using the "Switch Engine Version" option in the uproject's right click menu to change a project's engine association, switching to 4.16 and attempting to launch the project forces the project t ...

Vehicle destroyed when long stiff value is set to 0

UE - Simulation - Physics - Jan 3, 2019

When setting the Long Stiff value to 0 for wheels it appears to destroy the actor as soon as the wheel come in contact with the ground ...

Crane Yaw value affects attached Camera Rotation

UE - Anim - Sequencer - Aug 18, 2016

Crane Yaw value affects attached Camera Rotation. My expectation is based on the fact that Crane Pitch leaves the camera level ...

Setting scale to 0 in any direction breaks overlap events

UE - Simulation - Physics - May 26, 2015

When the scale of an actor is set to 0 in either X, Y or Z any overlap events will fail to trigger overlap events. ...

PVRTC texture is sampled as white when the uv value is very close to 0

UE - Platform - Mobile - Oct 20, 2021

When the uv value is very close to 0 ( < 0.001 ), the boundary value of the PVRTC texture is sampled as white. please refer to attached images and sample project. problem goes away when changing th ...

FDeferredDecalProxy cannot be initialized to not fade even if FadeDuration is set to 0

UE - Rendering Architecture - May 16, 2024

FDeferredDecalProxy always fade because InitializeFadingParameters is always called and leaves InvFadeDuration at 1.0 and the LifetimeAlpha calculation in FDeferredDecalPS::SetParameters gets a very ...

Tessellated Materials Displayed as 0 in Shader Complexity ViewMode

UE - Graphics Features - Sep 11, 2019

Tessellated Materials Displayed as 0 in Shader Complexity ViewMode. Found in 4.22 CL# 7053642, 4.23 CL# 8386587, 4.24 CL# 8588088 ...

Duplicating Asset With Suffix 0 Will Jump To A Suffix Of 2

Tools - Oct 28, 2016

When duplicating an asset with the suffix 0 in the content browser the duped asset will get a suffix of 2. Any other number works fine for example if you dupe an asset named "Test_23" the duped mesh ...

UAnimInstance::GetInstanceTransitionTimeElapsed returning 0 in non-editor builds

OLD - Anim - Sep 4, 2019

In non-editor builds UAnimInstance::GetInstanceTransitionTimeElapsed always returns 0.0f. This is caused within FAnimNode_StateMachine::Update_AnyThread due to: #if WITH_EDITORONLY_DATA NewTra ...

setting Widget reflector to 0.8 causes menus to flicker

Tools - Sep 19, 2016

Setting Widget reflector to 0.8 causes menus to flicker. The menus begin to flicker between sizes ...