Converting from possessable to spawnable with override instance data can cause the actor to shift

UE - Anim - Sequencer - Sep 23, 2022

Actors when converted to spawnables are given a transform track, and the default position of doesn't seem to be saved to the template for blueprint actors. Compare the above behavior to a static mes ...

Non-edit layers landscape don't work adequately with Nanite landscape while painting

UE - Graphics Tools - Terrain - Landscape - Oct 24, 2023

Result : while displaying the Nanite version of the landscape, the paint layers behave erratically (see video : [Link Removed])  If rebuilding the Nanite data, the bug gets fixed until the user sta ...

Opening a Level inside the ReferenceViewer does not Prompt the Save window if the Level is dirty.

UE - Editor - Applied Usability - Apr 15, 2024

If you right click on a level node in the reference viewer and choose edit, it will bypass prompting you to save unsaved changes in your current level, silently discarding all unsaved work. ...

Cannot add additional keys after the curve editor has been selected in UMG

UE - Anim - Sequencer - Nov 24, 2015

If the user creates an animation timeline in UMG and then clicks the Curve editor then the user will no longer be able to place keys anywhere else on the timeline. ...

The Random Audio Node Function 'Randomize Without Replacement' does not Function Correctly

UE - Audio - Apr 6, 2015

When attempting to play random sounds using the 'Random' node within the audio editor, the 'Randomize Without Replacement' does not function as explained via the tooltip. The options says that if y ...

Force View is enabled after Generating Proxy Meshes

UE - World Creation - Worldbuilding Tools - HLOD - Aug 17, 2016

After Generating Proxy Meshes for an HLOD cluster, Force View will be enabled for it. The user will have to disable Force View to see the LOD actor's behavior in the level. ...

Landscape Creates Two Shadows with Baked Static/Stationary Lighting

UE - LD & Modeling - Terrain - Landscape - May 25, 2016

It appears two shadows are created when building static lighting for Landscapes. One seems to be offset while the other is accurate to the angle of the light source. I tested this in 4.9.2, 4.10.4, ...

Memory Leak occurring when making procedural content with the Construction Script

UE - Gameplay - Blueprint - Nov 24, 2015

When modifying an object that makes changes using the construction script seems to cause a memory leak. The memory that is used seems to never be freed up. ...

Shortcut for Swing1Motion (2, and 3) do not change physics asset state dirty.

OLD - Anim - Sep 8, 2017

Shortcut for Toggle Angular Limits 1, 2 and 3 for Physics assets do not change phys asset state as dirty. ...

Web browser widget not receiving some mouse input information

Chromium - Nov 30, 2017

When using the web browser widget, it appears that some mouse input is ignored. In this example the handles that were working in previous versions of the engine are now ignored and do not receive in ...