Unreal Engine Issues

TMap property on AnimNode causes memory corruption

FastPath can't handle TMap (maybe any other container type too) in AnimGraph causes this crash. FastPath copies TMap property to the AnimNode member property directly like MemCopy. So two properties ...

Interpolators of Niagara Dynamic Parameters Need "nointerpolation".

Bake transform crashes on a component

AREnvProbe - App crash on iPad if automatic environment capture is enabled

This crash does not occur on iPhone devices. Tested on an iPhone X device. When switching environment capture to manual for iPad, the crash did not occur. ...

Post processing bloom threshold activates when the threshold is >0 instead of >-1.

GameplayTagQuery default property changes not propagated to instances

Expected: Changes to GameplayTagQuery properties in a blueprint should propagate to instances that haven't overriden the default value. ...

bUseDefaultCollision not enabled by default

Counter intuitively, static mesh components do not enable bUseDefaultCollision by default, and uses the "BlockAllDynamic" profile. AStaticMeshActors on the other hand, do enable bUseDefaultCollision ...

FBX Scene imports with an addition Scene Root in the Hierarchy

There seems to be a second Scene root being created when importing an fbx scene. Something of note is that in the scene import dialogue we only see one "RootNode" listed. This has been found to occ ...

Hotreload on c++ native actor component class will cause BP edit malfunctioned

[Image Removed] When the BP editor is opened, hot-reload compile will wrongly serialize a HORRELOAD_XXX object into the BP class and package which can not be found when Editor is opened again after ...

"On List Selection Changed" Retrieves The Wrong Item When "Set Item Selection" is used.

When a list view item in UMG is selected using "Set Item Selection" it will get the item of the first entry in the list or the last entry manually selected by the user. The correct item display nam ...