Mobile Preview -> AutoLandscape Material broken if created in 4.22+

UE - Platform - Mobile - Oct 25, 2019

Landscape Layers created in 4.22+ revert to default material in Mobile Preview. Confirmed in MAIN at CL 9730599 ...

Following the 'Working with Modular Characters - Skeletal Mesh Merge Example' results compilation errors

UE - Anim - Feb 10, 2022

This is a Regression. Tested in: //UE5/Release-5.0 CL 18747223 GitHub //UE4/Release-4.27 CL 18319896 Binary The example can't be completed in UE5 as expected presumably because of a change within ...

OnClick Events for buttons in 3D Widgets not firing in Multiplayer

UE - Editor - UI Systems - Mar 6, 2017

OnClick Events for buttons in 3D Widgets not firing in Multiplayer. This issue only affects the button component as other Widget components that used the Left mouse button function as expected Regr ...

Crash When server traveling from one level and then back again after calling a multiclass event (using Play as Listen Server)

UE - Gameplay - Blueprint - Apr 20, 2018

A crash occurs when switching back and forth between levels when using seamless travel. This happens if a multicast was called and if it contains a member variable. ...

Using a user generated timeline in blueprint causes an exception in engine code.

UE - Gameplay - May 13, 2015

This crash is caused by an exception that is thrown due to the functions inside of a blueprint based off a user-defined class that is suppose to mimic Timelines. ...

Character Movement Mode in Water Volume is affecting all clients

UE - Gameplay - Player Movement - Dec 16, 2019

Strange behavior concerning Character Movement Network Replication and a Water Physics Volume.  Upon entering water volume, Character Movement mode is set to swimming, however if more than one clien ...

Planar Reflections do not respect SkyLight intensity

UE - Graphics Features - Nov 14, 2017

Planar Reflection actor does not reflect the intensity change of the SkyLight. In attached images, the Intensity of the SkyLight is set to 2. The darker area on the right is affected by the Plana ...

Assets in disabled Emitter will cooked and loaded in Game.

UE - Niagara - Aug 17, 2015

Assets referred from disabled Emitter will cooked and loaded in Game. And licensee wants to make ParticleSystem with some emitters and sometimes they want to keep emitters but disabled. But disabled ...

Windows SDKs not recognized for HoloLens Development

UE - Platform - XR - Jun 5, 2023

This is a regression as the issue does not occur in //UE5/Release-5.1 @ CL 23901901 ...

Full Body IK does not work properly when root bone has large scale

UE - Anim - Rigging - Control Rig - Jul 20, 2023

FBIK becomes extremely unstable when the root bone scale has a value other than 1. ...