GameCenter does not login on Match3 startup on iOS

UE - Platform - Mobile - Aug 23, 2016

When launching on or opening a packaged UnrealMatch3 project GameCenter does not login for the paired account. This causes Leaderboards and Achievements to appear blank. Tested on iPhone6s_6240 OS: ...

In Packaged builds, Chaos Cache Manager can't animate Geometry Collections with Nanite Enabled if Cache Mode is set to Static Pose

UE - Simulation - Physics - Destruction - Feb 27, 2025

In Packaged builds, Chaos Cache Manager (CCM) can't animate Geometry Collections (GC) with Nanite Enabled if Cache Mode is set to Static Pose. The licensee tried to animate a CCM using Sequencer onl ...

BP - Exclusive nativization will fail at cook time if a BP class includes a ChildActorComponent with a Data-Only BP set as the ChildActor class.

UE - Gameplay - Blueprint - Apr 20, 2017

Note: This does not occur when the nativization mode is set to "Inclusive" in the Project settings. Current workaround: Ensure that the ChildActor class is NOT a data-only Blueprint, by adding scri ...

Niagara and Groom causes exception crash on Launch when using

UE - Simulation - Physics - Mar 2, 2020

Trying a Launch after every step shows that the problem occurs as soon as the GroomAssetSystem is added to Niagara. If the GroomAssetSystem is removed, the game launches fine (but the hair doesn't m ...

Linux crash when Exporting content

Tools - Jun 2, 2016

When the ExportAll window is opened, changing the file type filter and attempting to edit the chosen file field causes the editor to crash. ...

Attempting to export sequencer camera causes editor to crash on Linux

UE - Platform - Linux - Oct 26, 2016

Trying to export a sequence camera on Linux causes the editor to crash. This does not occur on Windows. EDIT: Crash seems to occur when focus leaves the FileName field. ...

Changing the channel name inside of the channel mask parameter node results in crash

UE - Rendering Architecture - Materials - Mar 4, 2020

Changing the name of a channel inside of the channel mask parameter node results in a crash. ...

Crash when using Get Start/End Frame (Seconds) node with MovieSceneSection have no opened bound

UE - Anim - Sequencer - Aug 14, 2019

If use Get Start/End Frame (Seconds) with GetStartFrame has a section isBounded is False, eg 3DTransformSection, editor will be crashed. Specifically, a following code occur crash. inline FFrame ...

Point Cloud support for AR plugin crash

UE - Platform - XR - Nov 21, 2019

Enabling Point Cloud support for AR plugin causes engine crash. Also crashes with LIDAR plugin enabled. Confirmed in MAIN 4.25 @ CL 10333042 ...

Launch crashes on Android if device has Wifi disconnected

UE - Platform - Mobile - Mar 10, 2016

Launch On crashes on a Android devices if networking is disabled. This used to work and should not crash. ...