'Show Only Selected' Option Hides Selected Group Actors

Tools - Dec 16, 2014

When attempting to isolate selected actors using the 'Show Only Selected' visibility option, grouped actors under this command will disappear and leave green spherical bounding wireframes indicating ...

Child Actor component is not affected by the 'Visible' and 'Hidden in Game' settings

UE - Gameplay - Apr 16, 2015

Child Actor component is not affected by the 'Visible' and 'Hidden in Game' settings. It is still rendered in the bp viewport and in the level during play. Even if the 'bpSelf' is set to hide in g ...

Struct that is referencing a Custom bp Class will reset to default values on editor restart

UE - Gameplay - Blueprint - Sep 16, 2015

Struct that is referencing a Custom bp Class will reset to default values on editor restart User Description: Making a array of object types in a struct. the goal is to have a struct containing wa ...

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. ...

Rotating a button in UMG and moving it to the edge of the canvas causing incorrect clipping

UE - Editor - UI Systems - Oct 27, 2014

When rotating a button in the UMG blueprints and then moving through the edge of the canvas panel it causing the button to clip as though it was never rotated. Update: This also happens when placi ...

Migrating a blueprint based on a custom class breaks after migration

UE - Gameplay - Blueprint - Sep 21, 2015

When a blueprint that is based on a custom class is migrated from one project to another the references to the original class are held. This means that the blueprint is unusable in the new project, ...

Updating project to 4.12 corrupts Additive AimOffset thumbnail, causing log spam

OLD - Anim - Jun 6, 2016

Updating project to 4.12 corrupts Additive AimOffset thumbnail, causing log spamLogAnimation:Warning: Setting an additive animation (Owen_AimOffset) on an AnimSingleNodeInstance is not allowed. This ...

Static Mesh 's Light Map Coordinate Index set to 4 and execute a light build, the result will be incorrect.

UE - Graphics Features - Oct 1, 2018

Light Map Resolution is set to a small value (4 or 8), it will build normally. ...

Calling "GetCameraImage" rapidly ~10 times causes ARKit camera feed to stop updating

UE - Platform - XR - Nov 8, 2018

If you call the "GetCameraImage" function rapidly ~10 times, it causes the ARKit camera feed to stop updating.  Waiting for awhile or tapping some more seems to bring it back.   Tested on macOS H ...

Crashes when copying an array of actors that implement an interface into an array of interface references

UE - Gameplay - Sep 17, 2019

When assigning an array of actors that implement a specific interface to an array of the specific interface the engine crashes. This doesn't happen if the actor array is put through a for each loop ...