Crash running construction script after compiling BP function library

UE - Gameplay - Blueprint - Sep 15, 2020

Editor can assert when changing the signature of an editor authored Blueprint Library Function (FuncA) if that function is called from a Blueprint Library Function (FuncB) via an actor's constructio ...

Compiler warning after renaming variable in animation template

UE - Anim - Runtime - Anim Blueprints - Aug 15, 2023

See UDN: [Link Removed] ...

Arrays chosen through a Select node cannot be altered

UE - Gameplay - Blueprint - Jun 3, 2015

Arrays chosen through a Select node cannot be altered. Note - This is also reproducible using any of these nodes instead of using 'Add':Add UniqueSet Array ElemInsert ...

Other components aren't ignored if 'Ignore Owning Actor' is enabled for a Radial Force component

UE - Gameplay - Jun 17, 2015

Other components aren't ignored if 'Ignore Owning Actor' is enabled for a Radial Force component User Description: From 4.7 release notes; "New: Added 'Ignore Owning Actor' option to Radial Force ...

Selecting a text field that is displaying "Multiple Values" will rewrite all values for all selected entities to "Multiple Values"

Tools - Jun 14, 2015

Selecting a text field that is displaying "Multiple Values" will rewrite all values for all selected entities to "Multiple Values". Reproduced in 4.7.6, 4.8.0, and Main (//depot/UE4/Promotable-CL-2 ...

The Open Level command is causing Android devices to freeze up

UE - Platform - Mobile - Dec 1, 2014

If you use the Open level node in the newest promoted build, once the project is deployed to an Android device, when triggered with a UMG, the project will freeze and be unplayable. Issue does not ...

"Play" node does not restart the animation when triggered

UE - Gameplay - May 13, 2015

"Play" node in the Blueprint Editor does not restart the animation when it is triggered. Problem crops up when somebody wants to replay the animation assigned to the skeletal mesh more than once. ...

Niagara Particles in Mesh Shape Don't Render in Scene or Editor Preview

UE - Niagara - Dec 19, 2019

Niagara particles aren't rendered in the Niagara Editor Preview or the scene when an emitter is in it. Found in 4.24.1 CL#10756747 Reproduced in 4.25 Main CL#10808197 ...

[MetaSounds][Wave Player] - Looping sound waves is not sample accurate

UE - Audio - MetaSounds - Aug 8, 2022

When playing the two metronome sounds, it is expected that when the 1bar asset loops, it will stay in time with the 12 bar asset; however, instead phasing begins to occur. This does not occur when ...

Changing the value of a parent class variable does not update after hot reload

UE - Gameplay - Blueprint - Mar 4, 2015

When the value of a variable defined in a parent class is changed inside of the child class, the value is not updated in a BP of the child after hot reloading. ...