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 ...

Unable to create a 'World Soft Object Reference' Variable from the Variables Panel

UE - Framework - Blueprint Editor - Jun 21, 2018

Soft references to World objects (TSoftObjectPtr<UWorld>) cannot be directly created in blueprints. These types work fine in blueprints but cannot be directly created. The reason soft references are ...

STEP file containing Instances are not imported in Unreal

UE - Editor - Content Pipeline - Datasmith - Importer - Aug 7, 2018

Crash when naming function parameter 'none'

UE - Gameplay - Blueprint - Aug 23, 2018

Naming a parameter "none" will cause crash on compile. Asset may not be able to be reopened. Also confirmed in Main CL 4309299 ...

VCAM 2.0 - No signal on iPad from Mac OSX

UE - Virtual Production - Tools - Virtual Camera - Jul 19, 2021

UDN case link with this ticket [Link Removed] ...

Overridden functions in Child Blueprints cannot be converted to/from pure functions

UE - Gameplay - Blueprint - Jun 27, 2015

Overridden functions in Child Blueprints cannot be converted to/from pure functions. Reproduced in 4.8.1 and Main (//depot/UE4/Promotable-CL-2601051) ...

Content Examples: Example 1.5 is stiff in Cloth Map

Docs - Samples - Apr 26, 2017

Example 1.5 on Cloth Map seems very stiff in 4.16 compared to 4.15. Regression: Yes Works in 4.15 ...

Crash in GetScreenRect on OPPO and Vivo devices

UE - Platform - Mobile - Jul 11, 2017

GPU Particle Collision changes based on Normal Intensity on Colliding Surface

UE - Graphics Features - Jun 18, 2015

Increasing the intensity of a Normal Texture on a colliding surface will cause the collision of GPU particles to behave strangely, looks to be falling through floor, when you are using a Constant Ac ...

Crash in packaged game if Blueprint that contains an instanced subcomponent is nativized

UE - Gameplay - Blueprint - Jun 26, 2018

Attempting to load a nativized blueprint whose parent contains an instanced subcomponent causes the editor to crash in a packaged build. Regression?: Yes This did not occur in 4.18 ...