Overridden Interface Functions in Child BPs lose array output pins after closing/reopening the project and become invalid

UE - Gameplay - Blueprint - Feb 7, 2015

Overridden Interface Functions in Child BPs lose array output pins after closing/reopening the project and become invalid. Reproduced in Main //depot/UE4/Promotable-CL-2434822 ...

Blutility context menu popup shows all pins inside function

OLD - Anim - Jul 23, 2018

ActorAction Blutilites are showing all pins inside a function. This does not happen with editor callable custom events. Also occurring in Main/4.21 CL #4221482 ...

Lighting not building in sublevels using Resave Packages

UE - Gameplay - Aug 17, 2018

Licensee found that running the resavepackage commandlet that sublevels who's lighting was built were not saving the changes. ...

Removing a parameter from a blueprint function in a library can cause actor classes calling it to lose their parent or instance data

UE - Gameplay - Blueprint - Oct 4, 2018

Compile errors caused by an actor calling a function with something hooked up to a removed parameter can cause that actor to lose it's place in the hierarchy. Typically, the actor will be fixed once ...

Construction script in parent blueprint calling function in child blueprint resets upon compiling child blueprint

UE - Gameplay - Blueprint - Apr 11, 2016

If the construction script of a parent blueprint calls a function within a child of that parent in the construction script, compiling the child blueprint will cause the parent blueprint to incorrect ...

Moveable/Stationary Point Lights do not render in Orthographic View

UE - Graphics Features - Aug 25, 2016

When using an orthographic camera all point lights set to movable or stationary stop rendering while playing in the editor. This is also broken in standalone game. Note I've attached the project f ...

Landscapes do not Render when used with Lighting Scenarios on Mobile

UE - Platform - Mobile - May 15, 2017

Landscapes disappear using Lighting Scenarios when deployed to a mobile device. When playing in the editor using the mobile previewer, everything looks as expected. It only occurs when deployed to ...

Custom Event functions cannot be called in sublevel event graphs if sublevel is not visible

UE - Gameplay - Blueprint - Aug 1, 2016

Calling a custom event in a sublevel blueprint of a sublevel that is currently hidden will not show the custom event's function in the context menu. Regression (no) issue (does) occur in 4.11.2 ...

Level sequencer's play to(second) function not working as expected

UE - Anim - Sequencer - Aug 22, 2019

The function Play to(seconds) does not functions as it's tooltip implies. "Play the sequence from the current time, to the specified time in seconds". The function instead snaps to the specified tim ...

Breakpoints don't work in Anim Node Functions

UE - Anim - Runtime - Anim Blueprints - Jun 27, 2023

Anim node functions are difficult to debug because breakpoints don't get triggered, and printing is difficult from within the function too. ...