Niagara emitters occassionally don't receive death events

UE - Niagara - Jun 6, 2019

The death events for Niagara emitters on a Niagara System are ignored every few loops. Tested in 4.21.2 (CL - 4753647), 4.22.2 (CL - 6547378), 4.23 (CL - 6859026) ...

Mismatch widget component collision and geometry

UE - Editor - UI Systems - Jun 6, 2019

There is a mismatch of collision and geometry of WidgetComponent. This doesn't occur in 4.21. It can only be seen in 4.22. [Workaround] Change following code in UWidgetComponent::UpdateBodySetu ...

The Percentage doesn't work with sheared ProgressBar Widget

UE - Editor - UI Systems - Jun 24, 2019

Translating the shear of Progress widget on the -Y causes the percent bar to not move correctly. Tested in 4.22.3 (CL - 7053642), 4.23 (CL - 7173969), 4.24 (CL - 7032890) ...

Material with Custom Expression at Vertex Shader Stage Does Not Compile

UE - Graphics Features - Jul 22, 2019

When Custom expression is connected to custom UV then material wont compile. This is working as expected in 4.22 CL# 7053642 Found in 4.23 CL#7321677 and 4.24 CL# 7321677 This is a regression. ...

Material Billboard Renders Incorrectly In Splitscreen

UE - Graphics Features - Sep 10, 2019

In splitscreen, Material node SphereMask causes Material Billboard to only be visible to first player's viewport. Found in 4.22 CL# 7053642, 4.23 CL# 8386587, 4.24 CL# 8557439 ...

Niagara Systems are reset after changing the sg.EffectsQuality

UE - Niagara - Sep 24, 2019

Changing the effect quality from the console window causes Niagara systems to reset their visibility. Tested in 4.22.3(CL - 7053647), 4.23 (CL - 8386587), 4.24 (CL - 9023396) ...

Custom Depth does not override occlusion if it's set during runtime

UE - Graphics Features - Oct 4, 2019

Adding a Custom Depth material at runtime does not make the object its applied to render through walls. Tested in 4.22.3 (CL - 7053647), 4.23 (CL - 8386587), 4.24 (CL - 9413529) ...

Some blueprint nodes are noticeably wider

UE - Gameplay - Blueprint Editor - Feb 19, 2021

Certain blueprint nodes are noticeably wider than they were in 4.25, and seem to get excessively wide if the user fills in literal pins on them. This was noticed with the Array Add nodes, but may a ...

Material Layers "swap" location instead of shift downwards.

UE - Rendering Architecture - Materials - Oct 17, 2023

Licensee request for this as it is affecting productivity. Likely requires a method of allowing a user to choose which behaviour they prefer. For reference, the behaviour changed in CL 11684461 to f ...

Cooked content results in crash on launch of QAGame.exe

UE - Graphics Features - Feb 22, 2019

Seems to be an issue with how the cooker is calling the contents of TM-ShaderModels. ...