Crash when unloading World Composition tiles using Landscape

UE - Graphics Tools - Terrain - Landscape - Apr 25, 2022

When unloading a tile of a World Composition map in UE5, a crash occurs when trying to deference a null pointer (World->PersistentLevel->bIsVisible) in FWorldTileModel::FWorldTileModel():// Assign l ...

Attached Project Crashing on Play When Using World Origin Rebasing with World Composition

UE - Simulation - Physics - Apr 18, 2017

The editor is crashing in the attached project on PIE when World Origin Rebasing is enabled. According to the user, this did not occur in 4.13, but I was unable to test any further back than 4.15, a ...

Set Game Paused returns incorrect value when the game is already paused

UE - Gameplay - Jan 12, 2017

Set Game Paused returns incorrect value when the game is already paused. According to the tooltip on the Return Value (reads: Whether the game was successfully set paused/unpaused) it is expected t ...

Crumbling Geometry Collections do not render for one frame when child clusters crumble

UE - Simulation - Physics - Destruction - Oct 3, 2024

Crumbling Geometry collection do not render for one frame when child clusters crumble. In the repro project a 4 particle GC is told to crumble. The single GeometryCollectionActor is then split into ...

Crash occurs when trying to edit a MetaSound Source asset while a MetaSound Source object is referenced utilizing FObjectFinder in C++

UE - Audio - MetaSounds - Apr 14, 2022

Crash occurs when trying to edit a MetaSound Source asset while a MetaSound Source is referenced utilizing FObjectFinder in C++ Repro Rate: 3/3Fatal error: [File:D:\build\++UE5\Sync\Engine\Source\R ...

Take recorder does not record detachment and multiple attachments correctly.

UE - Anim - Sequencer - Jul 14, 2020

Recording attachment will can add multiple sections to an attach track in Take Recorder. ...

Assertion fails when a struct is opened with a BP class reference stored and with that struct as a variable in the BP class that's referenced.

UE - Gameplay - Blueprint - May 10, 2022

Assertion fails when a struct is opened with a class reference stored and with the struct as a variable in the class that's referenced. A restart is required in order to see this occur. Repro Rate: ...

Crash occurs while replacing a Widget Component with a user created Text Block

UE - Editor - UI Systems - UMG - Aug 18, 2022

This is not a regression. Tested in //UE4/Release-4.27 CL18319896. The crash occurred. Crash occurs while replacing a Widget Component with a user created Text Block blueprint. ...

Curves in compressed additive animations interpolate incorrectly when two keys in a row have the same value

OLD - Anim - Oct 16, 2019

Curves compressed from additive animations will not interpolate correctly if they have two keys in a row with the same value. The second key will be ignored, leading to the curve interpolating earli ...

Set World Location at Spline Point node doesn't change spline point locations

Tools - Jul 10, 2015

The Set World Location at Spline Point node does not correctly update the location of the indicated spline. ...