Pins using SGraphPinNameList do not handle reset correctly and do not have a "None" entry

UE - Framework - Blueprint Editor - Sep 15, 2023

From the UDN licensee: I put together a draft PR of something that should work. As I mentioned in the PR, this works as expected with one caveat; in SPinComboBox::Construct we are hardcoding the to ...

Component tags do not register on actors

UE - Gameplay - Oct 30, 2015

Component tags do not register when checked within blueprints. ...

Crash when calling FillDataTableFromCSVString() while viewing the contents of the data table

When the function UDataTableFunctionLibrary::FillDataTableFromCSVString() is used from Editor Utility Blueprints or Python Scripts, and the contents of the affected Data Table are currently being vi ...

SColorGradientEditor Does Not Trigger OnCurveChanged Events

Tools - Feb 26, 2016

User Description: "SCurveEditor, class which is used for float ramps, seems to trigger OnCurveChanged events for the underlying curve; however SColorGradientEditor (constructed by SCurveEditor) seem ...

NDisplay hangs and stops responding on cluster event send

UE - Virtual Production - nDisplay - Nov 12, 2019

"The test event is set up using the default CE port, but every time an event is sent through the launcher the display receives the input and processes it, however the launcher will "hang" and stop ...

Linux editor can fail on start due to a stale TPS library in Engine/Binaries/Linux

UE - Platform - Linux - May 21, 2015

For 4.8, we moved LinuxNativeDialogs, a third-party library, to a different location (and also changed its API somewhat, so the old library is binary incompatible). However, some users apparently a ...

When the particle system manager is enabled particle system components will always tick in start physics

UE - Niagara - May 24, 2019

The particle manager only accounts for the particle system component's attach parent's EndTickGroup. When setting the tick group through the actor component the TickGroup is set instead of the EndTi ...

UMG Children broken in Build packaged with Nativization

UE - Gameplay - Blueprint - Aug 28, 2018

Child widgets not visible when packaged with inclusive nativization on. "The problem is that ChildWidget never shows up in the package build, but shows fine in the editor. I've debugged the issue ...

Attach actor to actor with the transform set to snap to appears to offset when calling it multiple times on multiple actors

UE - Gameplay - Blueprint - Dec 13, 2016

Attach actor to actor with the transform set to "snap to" appears to offset when calling it multiple times on multiple actors. ...

ApplyRootMotion**** ability tasks broadcast completion events before calling EndTask

UE - Gameplay - Gameplay Ability System - Mar 22, 2023

Several ability tasks used to apply root motion sources on Characters have ordering problems between on-completion style events and ::EndTask / OnDestroy. UAbilityTask_ApplyRootMotionMoveToForce is ...