Per-object shadow corrupts on Android Vulkan

UE - Platform - Mobile - Jul 2, 2020

Breakpoints in default Pawn class are not triggered in Debug mode

UE - Foundation - Core - Jul 27, 2015

When running the editor through VS debug mode, any breakpoint that is set in the class used as the Default pawn class in world settings will be ignored when playing in editor ...

Anim Notify States are ended when CustomTimeDilation is set to zero

UE - Anim - Runtime - Oct 12, 2022

UDN link: https://udn.unrealengine.com/s/question/0D54z00008BEDfJCAX/set-actor-time-dilation-to-0-during-a-animation-notify-state-cancel-it?fromCase=1 Notify gathering functions (e.g. UAnimSequence ...

ES3.1 preview causes temporary freezing when selecting objects in the viewport on Mac

Tools - May 3, 2019

The editor will freeze for seconds at a time when selecting between objects in the viewport after using ES3.1 preview on a Mac. ...

Uniform Static Mesh Sampling doesn't work on GPU Niagara Emitters

UE - Niagara - Aug 11, 2020

Uniform sampling of static meshes for GPU emitters does not work. ...

Events on frame 0 fire twice

UE - Anim - Sequencer - Jan 17, 2017

Regression - does not occur in 4.13.2 or 4.14.3 Does occur in Dev-Sequencer ...

Crash when enabling Level of Detail Coloration viewmodes in the Dataprep editor while using DX12

UE - Rendering Architecture - RHI - Dec 2, 2019

Crash when enabling Level of Detail Coloration viewmodes in the Dataprep editor while using DX12 This crash does not occur when the project is opened with DX11. Note that the Dataprep editor does ...

An actor reference section's default value will not be changed in UMovieSceneActorReferenceSection::OnBindingIDsUpdated

UE - Anim - Sequencer - Apr 15, 2022

It appears that in OnBindingIDsUpdated the default value is not actually being modified.  ...

Splitting struct pins calls override warning - does not remove warning when saved as warning states

UE - Gameplay - Blueprint - Feb 29, 2016

Splitting struct pins calls override warning after compiling a blueprint. The warning states that it will be removed once the asset is saved, however upon saving the asset does not disappear. ...

Using collapse to function on an event binding causes a crash when that function is referenced in another class

UE - Gameplay - Blueprint - Nov 28, 2016

Collapsing an event binding to a function results in a function that takes in a delegate as an input. This function existing ends up causing any references to this blueprint class in another class t ...