Crash occurs in UMG Animation after pressing "Home" key and RMB the timeline

UE - Anim - Sequencer - Oct 17, 2016

This was able to be reproduced 100%. I encountered this during a Regression pass. I was trying to give myself more working space and remembered that hitting "Home" focused the space in sequencer, so ...

Physics simulation shows strange behavior with specific skeletal mesh configurations

UE - Simulation - Physics - Mar 3, 2017

PhAT is inconsistent on when it does and doesn't apply scale to Constraint positions. This leads to cases where the positions provided create constraints that may not work when the Preview Skeletal ...

Initial Modules are clamped to a 0 to 1 time range

UE - Graphics Features - Sep 18, 2015

The Initial Modules appear to be clamped to a zero to 1 time frame since 4.8 was released. Projects that are converted from 4.7.6 will have correctly working particle systems, but adding a new part ...

Crash attempting to open an asset from Aim Offset graph in Persona

UE - Gameplay - Oct 3, 2016

This is a regression from 4.13 ...

InstanceDecorators of URichTextBlock is increased everytime add it to viewport

UE - AI Workflows - UI Systems - Jul 29, 2021

URichTextBlock::UpdateStyleData() does not check whether DecoratorClasses already had any specificed DecoratorClass. So every time you turn UMG on and off from the Viewport, Decorator Classes will i ...

HTTP If-None-Match response code is incorrect on Macintosh

Tools - Sep 22, 2016

Macintosh implementation for HTTP requests handle If-None-Match against ETags differently than Windows implementation. ...

Same-named variables of other classes listed as references in blueprint

UE - Gameplay - Blueprint - Aug 14, 2015

If a variable in a blueprint is the same name as a referenced variable from another blueprint, using "find references" on the local variable will return references to both the local and the external ...

Attempting to export sequencer camera causes editor to crash on Linux

UE - Platform - Linux - Oct 26, 2016

Trying to export a sequence camera on Linux causes the editor to crash. This does not occur on Windows. EDIT: Crash seems to occur when focus leaves the FileName field. ...

UGeometryCollectionComponent::EventDispatcher gets registered for events twice what can result in duplicate collision events being fired

UE - Runtime - Deformable - Sep 18, 2024

UGeometryCollectionComponent::EventDispatcher gets registered for events twice, once in UGeometryCollectionComponent::RegisterForEvents() and again in UChaosGameplayEventDispatcher::OnRegister(). Th ...