Double-Sided Geometry Collision Doesn't Work When Using Set Physics Linear Velocity

UE - Simulation - Physics - Sep 10, 2018

Double-sided geometry collision doesn't work when using physics set linear velocity. This does not occur when using floating pawn movement or character movement components. Working as expected in 4 ...

GetAssetRegistry by class and subclass only works for Material data types

UE - Gameplay - Oct 16, 2018

The GetAssetRegistry blueprint node only produces the asset data for the Material class and its subclasses. It completely ignores the asset data for Actor, derived Actor class Blueprints, and the su ...

Second player's screen does not render in Split Screen on Android

UE - Platform - Mobile - Mar 21, 2019

The second player's screen in a Split Screen multiplayer session on Android does not render. It remains completely black. This was also an issue prior to 4.15 but was fixed with [Link Removed]. The ...

Niagara: Losing focus when editor is open

UE - Anim - Sequencer - Apr 5, 2019

Reported by a user from Reflector. ...

SSR Experimental Denoiser crashes when enabled using Vulkan

UE - Graphics Features - Apr 27, 2020

Enabled the SSR Experimental Denoiser using Vulkan causes the Engine to crash. This crash does not happen with DX11 or DX12. This happens on Linux and Windows (-vulkan). This was reported and teste ...

Clion isn't recognized on Linux

UE - Platform - Linux - May 4, 2020

Setting CLion as the default IDE causes Unreal to not recognize it as a compiler. You are unable to compile C++ projects or create new ones with it set this way. This was reported and tested in 4. ...

UIScaleCurve float-point value in BaseEngine.ini lacks precision

UE - Editor - UI Systems - Slate - Jun 4, 2020

The screenshots below display 1920x1080pixel widget button. First one with Default DPIScaleCurve shows extra borders on the right and bottom. Next one with more precision shows no extra boundary. [ ...

Crash editor when many sequencers are opened continuously

UE - Graphics Features - Dec 3, 2020

Get crashed in editor when opening many sequencers using the EditorUtilityWidget,. It's not in UE4.25.3, but it crashes in UE4.25.4. And it only occurs when NVIDIA Aftermath (r.GPUCrashDebugging=1) ...

fbx Importer: Make sure the user has more feedback on the automatic import framerate

UE - Editor - Content Pipeline - Import and Export - Oct 4, 2021

If a user import a lot of animation in one fbx, the logic that compute the automatic framerate can diverge and hit a very high value. The maximum sample rate is 1920Hz which is very high,. The user ...

Long thin spinning objects take too long to stop spinning

UE - Simulation - Core - Jun 5, 2023

See the SpinningObjectStability test map in the Physics Sandbox. [Link Removed] It's not clear if this is a bug or a side effect of some of our solver shortcuts (e.g., omission of the precession te ...