Deleting transform track can fail to restore state

UE - Anim - Sequencer - Jun 24, 2021

Deleting the transform track for an actor that does not have a transform track by default can fail to restore state if there are no keys.  ...

Thin Translucent materials opaque with FS lighting mode and Output velocities active

UE - Rendering Architecture - Materials - Nov 15, 2021

Im not 100% sure this is a combination of settings that "should" work anyway, but need someone to have a look.Thin TranslucencyOutput velocities during base passForward Shading lighting modeProject ...

Saving Widget Blueprints directly can put them in a bad state.

UE - Gameplay - Blueprint - May 26, 2022

The fixup code for repairing Widget bindings in UE5 assumes that a compile occurs first. However, saving the asset does not cause a compilation to occur. When we reload the asset and open it in the ...

Changing the Resolution scale in Engine scalability can cause actors to be offset when ejected from the player controller

UE - Graphics Features - Nov 30, 2015

If the user turns down the Resolution scale, plays in editor, and then ejects from the currently controlled pawn The actors in the scene will be hard to click on because they appear to be offset fro ...

Niagara: Losing focus when editor is open

UE - Anim - Sequencer - Apr 5, 2019

Reported by a user from Reflector. ...

InstanceOnly UProperties accessible in Blueprint

UE - Gameplay - Blueprint Editor - Nov 30, 2022

Reproduced 3/3 times. Issue does not occur in //UE5/Release-5.0 - CL 20979098 Binary. Confirmed Regression. ...

Widget interaction component appears to stop working after entering a physics volume

UE - Editor - UI Systems - Aug 24, 2016

Widget interaction component appears to stop working after entering a physics volume. A Physics Volume appears to deactivate the Widget interaction component ...

UV Flipping Mode Causes Stretching of Particles

UE - Niagara - Nov 17, 2017

If "UVFlipping Mode" under Rendering on the Required node of an emitter is set to anything other than "None," the particles can become stretched and distorted. As a workaround, I have discovered th ...

Adding HISMC instances resets wind for all existing instances

UE - Graphics Features - Jul 6, 2018

When adding new HISM instances, actors using SpeedTree -> WorldPositionOffset material are reset. 4.19 Repro project provided by user. I was unable to get WPO wind working in 4.18, I did noticed th ...

Foliage: Speed tree wind is reset for every add/remove/update on instances

UE - World Creation - Worldbuilding Tools - Foliage - Jul 10, 2018

Foliage: Speed tree wind is reset for every add/remove/update on instances What is happening:When we invalidate the render state, proxy are recreated, causing the wind to be removed and add again, ...