Disabling Occlusion Culling and DBuffer Decals causers crash

UE - Graphics Features - Sep 1, 2017

THere is a crash that occurs when opening a project after the Occlusion Culling and DBuffer decals option are unchecked. There are times where the Unreal Crash reporter catches the crash and display ...

"+Create Binding" added to a "Text Block" makes the Text not visible in Standalone Game

UE - Editor - UI Systems - Sep 6, 2017

The visibility of the Text depends on the "+Create Binding" being added or not added. Now, If we go into our Widget Blueprint Designer > over in the Details panel under Content > Select "Bind" and ' ...

ChildActorComponent (SkeletalMesh) goes into tpose when calling SetChildActorClass

OLD - Anim - Mar 19, 2018

There is an issue occurring where when updating an animation of a child actor by setting the Child actor class, the animation will flash the skeleton in a T-Pose before continuing with the animation ...

Custom Collision Preset Settings Not Saving on Foliage

UE - World Creation - Worldbuilding Tools - Foliage - Jun 25, 2018

Custom collision presets will not be saved properly to foliage after closing and reopening the project. Additionally if you make changes to any collision preset in project settings, the foliage will ...

Cameras rotate incorrectly in Sequencer when using Key All and Auto-Key options

UE - Anim - Sequencer - Dec 14, 2018

Sequencer is having issues handling a camera rotation going past -180 or 180 degrees with multiple keyframes when Key All and Auto-Key options are enabled. This results in unwanted 180 degree flip w ...

Malformed command sent to UAT if BuildCookRun command ends with a trailing slash ("\")

UE - Foundation - Cpp Tools - Feb 14, 2019

Including a trailing slash ("\") at the end of a BuildCookRun command sent to UAT results in UAT receiving a malformed command. If the command ends with a slash, the resulting command that UAT recei ...

gltf 2.0 Blender Polly Import crashes

OLD - Enterprise - Aug 29, 2019

Trying to import the Polly sample model for gltf 2.0 crashes Editor. User know that the Plugin is experimental but as the Polly Model is used for Blender gltf development, it should work. The crash ...

Spherecast against complex geometry is returning odd results

UE - Simulation - Physics - Sep 19, 2023

Turning on batching of sphere casts when colliding against complex gives incorrect results. Affects debug output and vehicle wheels and body movement. The issue is with the batch query mode which ...

Clear Coat looks incorrect in the Preview when Energy Conservation on Material is enabled for non Substrate rendering

UE - Rendering Architecture - Materials - Apr 11, 2024

Enabling Energy Conservation on Material makes Clear Coat Material look weird in Preview. It looks fine in the Level Editor, but not in any "Preview" type viewport (Material Editor, Asset Thumbnails ...

UAT crashing at end of build calling FScopedSceneLock_Chaos::LockScene()

UE - Simulation - Physics - Editor - Nov 7, 2024

UAT has intermittent crashes at the end of  packaging. Looks related to  [Link Removed] . Could be that the solver is being destructed after the null check earlier in the function if this is multit ...