Reparenting a blueprint loses information created in the blueprint being reparented

UE - Gameplay - Blueprint - Jun 15, 2015

If an actor blueprint is re-parented to another actor blueprint, it will lose information in the blueprint even if nothing has been added to the second blueprint that would change the child blueprin ...

Unloading sublevels causes slight freeze on Mac

UE - Platform - Apple - Sep 22, 2016

Unloading sublevels causes slight freeze on Mac. It is noticable during PIE. This does not occur on Windows OS. ...

Renaming or moving Assets with a captured thumbnail removes the thumbnail

Tools - Sep 29, 2017

Renaming or moving Assets with a captured thumbnail removes the thumbnail when it should preserve the captured thumbnail. This issue does not appear to be a regression. Versions Tested: Issue occur ...

Adding a Pass By-Reference input parameter to an event dispatcher is allowed, but causes a warning when called.

UE - Gameplay - Blueprint - Nov 19, 2018

You can add a pass-by-reference input variable to an Event Dispatcher, but it will will result in compile warnings, and changes to that input will not affect the value of the variable in the caller. ...

TextScale parameter doesn't change size of text in AddOnScreenDebugMessage()

UE - Foundation - Core - Jun 16, 2018

The textScale parameter in AddOnScreenDebugMessage does not change the scale of the debug message. ...

Gameplay Abilities CancelAllAbilities not working as expected

UE - Gameplay - Oct 24, 2019

in AbilitySystemComponent_Abilities.cpp, line:844  CancelAllAbilities() does not appear to be working as expected.  There is a check before cancelling all abilities.  However, this check uses the Cl ...

Different CRC32 Results for Repeated Hashing of UStaticMesh

UE - Foundation - Jul 15, 2024

1. Download the Licensee repro, compile, and open:https://udn.unrealengine.com/s/contentdocument/069QP00000CdN7WYAV 2. Press the first hatched button on the top bar, next to the Platforms dropdown. ...

In-app purchase fail node does not execute properly without network connection

UE - Platform - Mobile - Sep 30, 2015

In-app purchase failure nodes do not execute when there isn't any connection. ...

Numpad keys don't respond to input commands on Linux

UE - Platform - Linux - Aug 31, 2015

Setting any of the numpad keys to an input command does not execute the command on Linux. ...

OnEditorCameraMoved delegate not firing in the Animation Viewport

UE - Anim - Runtime - Jun 19, 2019

Found in 4.22 CL#6574378 Reproduced in 4.21 CL#4753647, 4.24 Main CL#7062442 The OnEditorCameraMoved delegate does not fire in the Animation Viewport. The example project provided by the user is a ...