Timeline functions do not work inside of Blueprint functions

UE - Gameplay - Blueprint - Dec 20, 2014

I could not repro their issue in main. They supposedly recently upgraded to 4.5. I was wondering if you could divide an conquer, and figure out when we fixed this. **EDIT** Was able to repro in mai ...

'Set Playback Position' node fires Timeline event even if 'Fire Events' is set to false

UE - Gameplay - Apr 30, 2015

'Set Playback Position' node fires Timeline event even if 'Fire Events' is set to false. User Description: Basically using the set playback position node to set a new time position for a timeline ...

Planar Reflection with Exponential Height Fog flickers on iOS

UE - Platform - Mobile - Oct 28, 2016

Planar Reflections have noticeable gaps in the reflection of the exponential height fog for the scene that will flicker as the camera moves. Attached ipa link and test project. [Link Removed] Te ...

Some Planar Reflections not working on more than one surface if it's a single mesh

UE - Graphics Features - Nov 2, 2016

Planar Reflections only work with a single surface or limited surfaces when it's a single mesh vs multiple meshes making up the piece. Attached is a sample project that will show the issue. Level ...

Anim Notify blueprints are included in packages when not referenced

UE - Foundation - Core - Cooker - Sep 17, 2018

Anim Notify Blueprints are included in Packaged builds of the editor even if they are not referenced. This does not occur with other Blueprint classes, such as Actor, although it may with some other ...

MediaTexture do not show video when playing a movie using Media Player in some Android devices.

Media Framework - Feb 13, 2018

Movie Player do not seems to play movie in some android devices. [Link Removed] You can simply run the attached project in android devices to see the movie is played as expected. ...

Imported animations don't import correctly when using same import settings as skeletal mesh it's based off

UE - Editor - Content Pipeline - Datasmith - Importer - Jul 10, 2019

When importing an animation using the same import settings as the imported skeletal mesh it is meant for part of the mesh is rotated 90 degrees around the root. The files that were used to verify th ...

Replace with child on subtree of the NamedSlot is broken after reloading a widget.

UE - Editor - UI Systems - Apr 5, 2021

"Replace with child" does not work well with the NamedSlot widget after reloading the widget blueprint in Contents Browser. ...

Foliage is not partially loaded after InstancedFoliageGridSize is changed by WorldPartitionFoliageBuilder commandlet

UE - World Creation - Worldbuilding Tools - Foliage - May 27, 2022

Changing the InstancedFoliageGridSize by the WorldPartitionFoliageBuilder commandlet will cause some of the foliage to not load correctly. ...

World Position is incorrect when used to control the opacity mask in a nanite spline mesh

UE - Graphics Features - Feb 20, 2025

When calculating the opacity mask, Nanite spline meshes do not have the correct World Position in the Material. This leads to visual artifacts when the mask relies on the world position. ...