Casting to a child with a self reference can cause a crash

UE - Gameplay - Blueprint - Aug 13, 2015

Casting to the child of a blueprint using the self reference (as the parent) throws a warning. Then placing a self reference anywhere in the event graph of the child by it's self will cause a crash ...

Crash in Hand IK Retargeting with two entries under "IKBones to Move"

UE - Anim - Rigging - Feb 28, 2017

Crash in Hand IK Retargeting with two entries under "IKBones to Move" Only seems to happen when you have a hand bone in the second slot of "IKBones to move" ...

Editor crash when adding elements to blueprint Set/Map

UE - Gameplay - Blueprint - Mar 22, 2017

Adding multiple element to TMap / TSet variable at once with a for loop causes the editor to lock up / crash (respectively). Regression: No - Map & Set variable types not available prior to 4.15 ...

10 or more Static Meshes set to Simulate Physics and Replicates Movement will crash the editor with PIE set to 2 or more players

UE - Networking - May 19, 2015

10 or more Static Meshes set to Simulate Physics and Replicates Movement will crash the editor with PIE set to 2 or more players. Less than 10 don't cause a crash. The user reporting this got a mor ...

Clicking the Add Variable button in a Struct that is referenced as two inputs in a function that is called in an Actor Blueprint's Construction Script causes a crash

UE - Gameplay - Blueprint - Jun 28, 2015

Clicking the Add Variable button in a Struct that is referenced as two inputs in a function that is called in an Actor Blueprint's Construction Script causes a crash. This does not occur in the Even ...

Editor crash when Sequence component is added to code class

UE - Anim - Sequencer - Aug 31, 2017

Adding a USequenceComponent to a code class will cause the editor to crash when the component is selected in blueprints Regression: No - same behavior occurs in 4.16.3 (CL 3561208) ...

r.SimpleDynamicLighting causes crash

UE - Graphics Features - Jul 2, 2015

Setting the console command r.simpledynamiclighting to true in the editor causes massive rendering issues and if you attempt to open a New Material, the editor will crash. See attached Movie Also ...

File Media Output Capture Crashes on OS X

Media Framework - Aug 26, 2020

On OS X, image frames output in PIE but crash occurs in standalone mode; The .wav file is written but is empty (the media player does not seem to go to the master submix correctly) and it seems to ...

Clicking and dragging on a Widget component of an actor that spawns a copy and deletes it's self can cause a crash

UE - Editor - UI Systems - Jun 24, 2015

When a widget component is clicked and dragged upon rapidly and that widget creates a copy of it's self and destroys the previous version it can cause a crash. ...

Crash when connecting to Source Control

Tools - Apr 27, 2016

Attempting to connect to Source control causes the editor to crash immediately. According to Travis.L this only affects Binary builds. Regression: YES - Connecting to source control worked as expec ...