ARCore plugin missing 'tools' components

UE - Platform - XR - Jul 28, 2018

https://forums.unrealengine.com/development-discussion/vr-ar-development/1494917-ue-4-20p4-arcore-image-database-cannot-build/page2 Bo Pang from Google writes: "I think there are two issues here: 1 ...

Changing the Global Time Dilation to a very small value and returning it to a large value (by either using the slomo console command or directly in BP) makes Physics simulating ragdolls fly off into space.

UE - Simulation - Core - Sep 26, 2024

Changing the Global Time Dilation to a very small value and returning it to a large value (by either using the slomo console command or directly in BP - slomo sets TimeDilation) makes Physics simula ...

The Height of a Jump When Holding the Jump Button is Dependent on Framerate

UE - Gameplay - Player Movement - Nov 20, 2015

Setting the Max Jump Hold Time variable to 1 second, and then holding the jump button produces different results depending on the framerate. In this case, the normal jump is at a specific height, bu ...

UnrealVS: Compile Single File no longer working after upgrading to 5.3

UE - Foundation - Cpp Tools - UnrealVS - Oct 2, 2023

After installing the UnrealVS version that arrived with 5.3. I can no longer use CompileSingleFile. It does however work on the Lyra project. One difference I notived, however, is that Lyra seems to ...

Niagara crash when using a particle attribute reader that has been passed around between modules

UE - Niagara - Oct 28, 2025

The following Niagara usage pattern results in either a crash or in incorrect data being read from a Particle Attribute Reader: Emitter Spawn Stage – A module has an Attribute Reader input specifie ...

Image widget does not scale the inner borders correctly

UE - Editor - UI Systems - Oct 24, 2014

When Scaling in and out in the UMG blueprints with an image applied to an image widget that is set to border as it's "Draw as" selection the image does not scale correctly. EDIT: The UI should prev ...

Ribbons Don't Follow Their Source Particles When Scaling

UE - Niagara - Mar 23, 2020

When Ribbon Data in a particles system that is following is scaled in an instance the ribbons scale appropriately, but they don't follow updated location of their source particles. See the attached ...

"Always Center Window to Screen" No Longer Functioning in New Editor Window (PIE)

Tools - Dec 11, 2015

Regression: In UE4.10, the border that now occurs around New Editor Window causes window to extend beyond native screen resolution designated in Editor Preferences causing the window to 1) Not be ce ...

r.Lumen.Reflections.DownsampleFactor split screen artifact

UE - Graphics Features - Lumen - Dec 6, 2024

In Split-Screen, with "r.Lumen.Reflections.DownsampleFactor" set to 2, it is possible to have vertical colored artifacts on View 1 (the second view). The Licensee reported the artifact occurred on ...

The AND node always calculates all inputs

UE - Gameplay - Blueprint - Nov 5, 2015

The AND node always calculates all inputs, even if the first input fails as False. Probably related to [Link Removed] (currently unresolved, but a Select node-specific fix is mentioned in the comme ...