Unreal Engine Issues
Unreal Engine Issues
Distances do not match on display 2.6 of the Math_Hall in ContentExamples
Docs - Samples - Sep 22, 2016This could be a rounding error but if they are both representing the same distance they should match. Maybe truncating a few decimal places and rounding could work. ...
Fix pause flags when recycling sound sources
UE - Audio - Dec 12, 2016Issue is due to pause flags getting recycled when new sound sources are used from the sound source pool. This is a regression since 4.13, causing audio to pop. ...
Texturing: RC 1.5 texturing hangs, RC 1.4.2 works fine with same dataset and workflow
RC - Texturing - Feb 13, 2025Tested on the provided project, it looks like the unwrap was provided, but then the process stuck. I also checked the Task manager and there wasn't almost any activity for RealityCapture.[Image Remo ...
Backout attempted fix for - AutoSize triggers ensure on shortened Skel Anim Section moved past anim length
UE - Anim - Sequencer - May 29, 2026In Sequencer, calling "Edit > Auto Size" on a UMovieSceneSkeletalAnimationSection triggers the LowerBound > UpperBound ensure in UMovieSceneSection::SetRange (MovieSceneSection.h:333) when the secti ...
Pasting timeline components into another actor and then choosing "cancel" on fix self context function references results in a broken state
UE - Framework - Components - Sep 13, 2021upd. Regression was checked on //UE4/Release-4.26 CL 15973114, issue was reproduced. Regression - No ...
//UE5/Main - UE.EditorAutomation(RunTest=Physics) Win64 - CableActor_CableCameraActor6 and 2 tests failing due to cable actor disappearing
UE - Graphics Features - Feb 22, 2021### The following test(s) failed: ##### BasicCableComponentMaterials: Project.Functional Tests./Game/Tests/Actor/CableActor.BasicCableComponentMaterials * LogAutomationController: Error: S ...
Overridden mesh values are lost when upgrading from 5.5.0/5.5.1 to 5.5.2 on blueprint skeletal mesh components
UE - Runtime - Animation - Jan 30, 2025This issue is caused by the backout in 38341618. The original code that went into 5.0 affects serialization by changing the UCS modified properties. When upgrading, the override is lost because th ...
Fix PrimitiveComponent overlap indirection
UE - Simulation - Physics - Sep 27, 2016When doing overlap tests in PrimitiveComponent, UWorld->ComponentOverlapMulti is used. The callstack for that ends up looking like this (callstack is inverted, highest level on top): UWorld::Compo ...
Some .tmi files from previous versions cannot be used in TM2025.2
TM - Core - Sep 30, 2025Some .tmi files appear, while others don’t.The customer mainly uses Blender and SketchUp.On the customer side, even the TM asset “Metal workout desk DCL” has the same issue.On my (Syuya Mukai) side, I ...
Crash on Event Begin Play with UMG Widget and 2 or More Players
UE - Editor - UI Systems - Feb 25, 2015A player with UMG widget created on BeginPlay works fine when hitting play with only 1 player, but if you set the number of player > 1 it will crash. User believes this is somewhere related with t ...