Unreal Engine Issues

AEditorFunctionalTest causes assert in WP map

"Assertion failed: Pair != nullptr " when trying to create a basic test with AEditorFunctionalTest in a WP map. ...

Crash when attempting to save Soft Object Reference

Engine will crash when attempting to save soft object reference. "FArchive does not support FSoftObjectPtr serialization. Use FArchiveUObject instead." Also reproduced in Main CL #4247864 ...

FPlatformOutputDevices::GetAbsoluteLogFilename() not returning correct path when running multiple application instance

Changing particle system template via Blueprints crashes Editor and packaged game

Setting a ParticleSystem component in a Blueprint to none/null with a "Set Template" node causes the editor and the packaged project to crash. I have noticed this when migrating my game to 4.22, whi ...

SpringArm causes physics to fail for a character standing on the physics object

SpringArm causes physics to fail for a character standing on the physics object User Description: I am updating my marketplace content for 4.11 using preview 7 build (EDIT: RECHECKED WITH PREVIEW ...

Using the Editor in Fullscreen mode on Linux causes it to freeze and occasionally lock up the computer

Using the Editor in Fullscreen mode on Linux causes it to freeze and occasionally lock up the computer. This freeze causes the various symptoms described in the Results field. In 4.21.2 (CL-4753647) ...

Crash in FMediaPlayerBase::TickPlayer in Shipping builds

A crash can occur in FMediaPlayerBase::TickPlayer in Shipping builds. This is because FMediaPlayerBase::NativePlayer is not a thread-safe shared pointer. The fix is to make it ESPMode::ThreadSafe. ...

ExposeOnSpawn Class properties do not respect "none" as the value on "Construct object from class" node

I think that the root of the issue actually comes from the K2 node behavior itself. If you copy your node and paste it to a clipboard, you can see the pins and the string representation of all the v ...

Switching to SM4 with LPVs active crashes Editor

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] ...

Having more than one Show or Hide Toggle in Matinee Visibility Track causes a compile error in Level Blueprint

Having a Matinee Controller in the Level Blueprint and a Visibility Track with multiple Show and Hides will cause a compile error in the Level Blueprint. ...