Unreal Engine Issues

TMap does not rehash when the property change if the key is struct

If TMap's Key is a unique Struct, TMap's rehash will not run even if elements are added or changed in DetailPanel such as DataAsset. So TMaps's Find etc. will fail This issue is very similar to [Li ...

EnhancedInput Triggers can become stuck in an triggered state after pause when using Set Mode UI Only and CommonUI

Camera View Transformations in Editor and Sequencer Cannot Be Undo (Ctrl+Z)

Camera View Transformations in Editor and Sequencer Cannot Be Undo (Ctrl+Z) ​​Description​​: When switching the viewport to a specific camera actor, any manual movement/rotation of the camera (via ...

DataAsset blueprints have the wrong NativeClass

UDataAsset's constructor assumes itself to be the native class, and caches that value for use by the asset registry. However, if the data asset type is defined in a blueprint (i.e. subclassing UPrim ...

Instanced Actors: Editor preview don't show correct relative mesh transforms

Context Actors can be converted into Instanced Actors via the IA plugin. During runtime and in the editor, an instanced actor’s visual is generated from the collection of StaticMeshComponents on th ...

Setting Simulate Physics breaks "Get Closest Point on Collision" node

'Get Closest Point on Collision" node is used to determine the distance between a primitive component (target) and another specified location (Point) as well as provide the point on the target. Thi ...

Unexpected behavior from moving multiple widget components with render transform

Unexpected behavior occurs from moving multiple widget components with render transform applied to them. The individual components seem to change relative position or rotation when being clicked and ...

Crash upon using EComparisonMethod as a variable in a struct

Having a variable of the type EComparisonMethod inside of a struct causes the editor to crash. This could be due to the variable being as part of the Development folders in code. Attempting to repro ...

Split Struct pins cause errors when a project is converted to 4.17

Split Struct pins cause errors when a project is converted to 4.17. You are still unable to split struct pins even if a new variable is created for the struct. Only adding a new variable to the st ...

Crash upon adding an Interface to a Blueprint that has a function name that matches the name of a variable in the Blueprint.

When you add an Interface to a Blueprint that contains a variable with the same name as one of the Interface's functions, the editor will crash upon compiling the blueprint. In 4.16, this only cause ...