Using FObjectFinder outside of the constructor causes crash

UE - Foundation - Core - May 19, 2015

If FObjectFinder is used in a function other than the constructor, which should not be done, it causes a crash. ...

Entering 'Games App Id' for Google Play Services without configuring apk packaging first crashes the editor

UE - Platform - Mobile - Jun 12, 2015

User reported that he was experiencing a crash when attempting to put in Games App ID in Android section of project settings. Note that this occurs only if the Configure Now button in the APKPackagi ...

Switching to SM4 with LPVs active crashes Editor

UE - Graphics Features - Jun 18, 2015

Switching to SM4 when you have LPVs active in a project will crash a project. Also reproduced in Main Promotable-CL-2589716 and 4.8.0 Launcher [Link Removed] ...

Crash when element is added to a map variable with unhashable key

UE - Gameplay - Mar 21, 2017

Crash when element is added to a map variable with unhashable key. An error is thrown on compile but an element can still be added under the Details panel of the variable. Crash Reporter: [Link Rem ...

Extra Large Meshes Imported from Maya Flicker in Engine

UE - Simulation - Physics - Feb 16, 2015

Edit MattK: This probably has nothing to do with FBX. The object has a mass of 28 million kg so it would appear that the calculation of mass/physics asset is busted which is causing the flickering ...

Compile Warning for Local TMap Variables

UE - Gameplay - Blueprint - Apr 12, 2017

When using TMaps within a function in blueprints & then compiling the blueprint causes a warning to be created in the output log. In some test cases it only occurs with a local function TMap variabl ...

UMG Visibility binding resets to default after closing and reopening project first time

UE - Editor - UI Systems - Aug 31, 2017

UMG Visibility binding resets to default after closing and reopening project first time. "Get Visibility" on Button click boolean toggle for widget blue print "False" return node value gets automa ...

Default Hot Key or any key it is set to for Mesh Painting Brush Size doesn't work

UE - Editor - Workflow Systems - May 9, 2022

This is a regression – in 4.27.2 the bracket keys do not change the Brush Size even though it is the default hot key. However, changing the hot key to something else works in 4.27.2. Hot Keys are n ...

Center of Mass Offset tooltip incorrectly states that you can't view the CoM's location

UE - Simulation - Physics - Jan 3, 2017

In the rich tooltip for Center of Mass Offset, it reads "Currently there is no way to view where the Center of Mass is actually located..." In 4.15, there's a new feature that does allow you to see ...

Crash: Opening Project Browser from Launcher with VR Mode auto-entry enabled with HMD active (worn)

UE - Editor - Workflow Systems - Apr 24, 2017

If you enable VR Mode auto entry, close the project, and then attempt to launch the engine again from the Binary launcher while the HMD is active (being Worn), the Project Browser will crash ...