Unreal Engine Issues

VirtualTexture performance is much worse on SM6 than SM5

5.3 crashes when loading a map with an actor that had the class of one of its components changed

Create a blueprint based on actor, give it a SceneComponent named ExampleComp (BP_TestActor) - this should be the blueprints only componentCreate a new level (TestMap), place an instance of the bluepr ...

Handle fracturing a destructible mesh when the source mesh has been deleted without a crash.

When attempting to fracture a destructible where the source static mesh has been deleted we get a crash in APEX. APEX can't seem to find any root leaf nodes to begin fracturing upon. This does not ...

Foliage Loses Dynamic Shadows from Moveable Point LIght at given Light to Mesh Height

A Movable Point Light placed in the center of a field of foliage meshes will render shadows only at certain heights and going above those heights will cause the shadows to completely disappear. [Im ...

Date Time node to Time span node returns inconsistent values

When subtracting two date time sets to find the time span between them, the results are inconsistent. The results given give the total number of the unit measured for the time elapsed were as others ...

Crash upon trying to add a variable to a struct array when the details panel is locked

Attempting to add a new element to a struct array through the details panel when the panel is locked results in a crash. Regression?: No This issue did not occur exactly the same way in 4.18, but t ...

Editor Crashes When Setting Location of Scene Component BP to World

In an actor blueprint with a scene component blueprint as its root, if you add a child object to the scene component blueprint, and then go into the scene component blueprint and set the location to ...

Crash when attempting to connect a custom Niagara parameter struct to a node when the struct contains an array

Crash when attempting to connect a custom Niagara parameter struct to a node when the struct contains an array ...

Check inside FAssetSourceControlContextMenuState/FPerforceSourceControlProvider

The async execution from within the context menu state is not cancelled properly when closing the context menu. This means that when rapidly opening and closing context menus there will be corruptio ...

Crash when Pasting a Gameplay Tag variable setter into a level Blueprint

Copying a gameplay tag variable setter from a blueprint into a level blueprint fails an assert in UGameplayTagsManager::GetCategoriesMetaFromField. ...