Local Space With World Offset Module Not Working As Expected For Ribbon Particles

UE - Graphics Features - Oct 17, 2016

When a ribbon data particle emitter is set to use local space and has a world offset module applied, it will rotate in the opposite direction if the particle system is rotated in the scene. Additio ...

Media Player freezes project in shipping build of game

Media Framework - Oct 17, 2017

When using the Media Player freezes project in a shipping build of the game, the game will freeze and the only way to quit will be to forcefully close the program. This issue is a regression. Versi ...

Clearing text property from a Text widget won't work the first time

UE - Editor - UI Systems - Mar 21, 2017

It currently takes two attempts to clear the default text from a Text Block widget. The first time you try, the property will repopulate with the previous string. ...

[CrashReport] UE4Editor_Engine!FInterpolateComponentToAction::UpdateOperation() [interpolatecomponenttoaction.h:115]

UE - Gameplay - Blueprint - Aug 3, 2015

Crash Report [Link Removed] Access violation - code c0000005 (first/second chance not available) This bug is distinctive in that when you return to the AnimBlueprint Event Graph from another tab/O ...

Particle Cutout feature doesn't work on mobile device(Android)

UE - Platform - Mobile - Aug 4, 2016

When you create a particle system using the particle cutout feature the particle will render. However, parts of the particle that were previously removed are now there. ...

Camera behavior mismatch between PIE vs Packaged game

UE - Gameplay - Feb 19, 2015

When a camera is setup in code with GetWorld()->GetFirstPlayerController()->SetViewTarget(this); the camera will work in the editor but a packaged version of the game has a black screen. ...

Cooking Fails After FBX Imports Within Only Spot Lights

UE - Editor - Content Pipeline - Import and Export - Nov 4, 2016

When importing an FBX file with only lights (in this case) via the "Import Into Level" feature this will cause the cook to fail. This can be resolved by adding geometry into the FBX file. ...

Getting Emitter.NumParticles on Niagara's GPU compute sim returns 0

UE - Niagara - Jul 27, 2023

This problem looks like the following parameters are not defined correctly. The correct parameter is Engine_Emitter_NumParticles. Engine_Emitter_NumParticles and PREV_Engine_Emitter_NumParticles .\ ...

Widget interaction component hit invisible widget components

UE - Editor - UI Systems - Jan 12, 2017

Widget interaction component hit invisible widget components. The widget interaction component will hit the widget component even when set to invisible ...

Unselecting (As pin) Blend Space causes AimOffsetBlendspace Node to Become Inoperable

OLD - Anim - Aug 10, 2015

Unselecting "(As pin) Blend Space" in the Details panel causes AimOffsetBlendspace Node to become inoperable so that it will need to be replaced altogether. *See attached screenshot. ...