A level will not save if a Blueprint that uses a Blueprint Component with an Event Dispatcher is placed in it

UE - Gameplay - Blueprint - Mar 8, 2015

A level will not save if a Blueprint that uses a Blueprint Component with an Event Dispatcher is placed in it. Reproduced in 4.7.2 binary. Could not test in Main due to [Link Removed] ...

Blueprint Macro Libraries based on Actor cannot be reparented to Object

UE - Gameplay - Blueprint - Jul 13, 2015

Blueprint Macro Libraries based on Actor cannot be reparented to Object Reproduced in 4.7.6, 4.8.1, and Main (//depot/UE4/Promoted-CL-2605171) ...

Adding teleport node after AddMovementInput breaks jumping animation

UE - Gameplay - Jun 6, 2016

Calling the teleport node after the Add Movement Input nodes affects movement by preventing the character's capsule from updating, causing the mesh to hit the top of the capsule during the jump anim ...

Get Hit Result Under Finger by Channel appears to return the wrong location on MAC during PIE

UE - Platform - Apple - May 11, 2018

The location give by the Get hit result under finger by channel appears to be affected by screen size on Mac. When clicking an area in the level, it does not always return the area under the finger ...

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. ...

[Feature Request] ReferenceViewer: Accept dynamic collection

Tools - Oct 29, 2019

In 4.23, Setting a dynamic collection to the collection filter slot does not display any result. And there are no information about dynamic collection doesn't work in collection filter. (FCollectio ...

Geometry Material Alignment not functioning in 4.8

Tools - Jun 15, 2015

Material Alignment on BSPs are not functioning in 4.8.0 Release. This is a regression from 4.7.6. The issue does appear to be fixed and functional in 4.9 (Promotable-CL-2581018) ...

Parameter Group Names are lost when assigned in Material Functions

Tools - Jan 26, 2015

Parameters within a Material Function which have a specific Group assigned lose the group information when an Instance is created. Reproduced in 4.7 Preview 4 and Main Promotable-CL-2412886 ...

Access violation - code c0000005 (first/second chance not available)

UE - Foundation - Core - Feb 4, 2015

Crash Reporter: [Link Removed] Opening a project created in 4.6.1 with 4.7 built from GitHub branch 20150203 (last commit: 5bac1375be31053932c7b9123cc3bb94c70dd5e0) results in crash. ...

Deleting audio subtrack deletes the entire track

UE - Anim - Sequencer - Jan 20, 2017

Noticed that deleting audio subtrack deletes the entire track. This also appear to happen to affect any property on the track. If I make it inactive or lock it that property applies to each subtrac ...