Texture Reimport can change a regular texture to a virtual texture

Rendering - Features Teams - Feb 24, 2021

Reloading a regular texture will convert it to a virtual texture if the size is greater or equal to the "Auto Virtual Texturing Size" setting. This is often not the desired behavior. The status of t ...

CheckForWorldGCLeaks crash using New Level from Template node to duplicate sublevel of the currently loaded level

Tools - Feb 23, 2021

A world leak crash occurs when using NewLevelFromTemplate to duplicate a sublevel of the currently loaded level. The crash doesn't manifest until another level is loaded even though the Sublevel ins ...

Assertion failed: IsValid() in AudioDeviceManager.h related to dragging and dropping cues into the viewport

Audio - Feb 23, 2021

I was not able to reproduce this issue with the user given repro steps, however the crash has occurred for multiple users according to Crash Reporter, so it is worth investigating more into ...

A crash can occur during a batched compile of inter-dependent Blueprint assets via commandlet.

Gameplay - Blueprint - Feb 20, 2021

Bulk compiling more than one Blueprint class asset without incurring a garbage collection pass in between each compile can result in a crash during reference replacement, as serialization may end up ...

Compile on load crashes for classes within an abstract class

Gameplay - Blueprint Compiler - Feb 20, 2021

When compiling on load in -game, a blueprint class that inherits from a native class that is marked within and the class that it is within is abstract, a crash will occur when FBlueprintCompilationM ...

Event triggering skipped in subsequences and shots

Anim - Sequencer - Feb 11, 2021

Events in subscenes can be skipped if playback skips over the end of the subscene before evaluating the event. ECS allows for determinism fences which can fix this issue. ...

Crash when drag selecting a level in an orthographic view with a control rig asset

Anim - ControlRig - Feb 11, 2021

When adding a Control Rig asset to a level, choosing one of the orthographic views, and then drag selecting any part of the level, the editor crashes. This does not occur if you drag select in the p ...

Selecting All Actors and then moving them results in the children being offset from parents

Tools - Feb 9, 2021

When using Select All, the children are selected as well. When you move the actors, the children begin to move at different rates than the rest of the actors, resulting in them being offset when you ...