Blueprints can be created for a class after removing the class from the project

UE - Gameplay - Blueprint - Dec 2, 2015

If a class is added then removed from a project, blueprints can still be created based on the deleted class. ...

Failed Import Error Message Appears on Components in Child Blueprints

UE - Gameplay - Components - Dec 2, 2015

Creating a C++ class based on actor and adding components to it will build successfully and work as expected. However, creating two child blueprints of a parent that is based on that C++ class and p ...

Setting ComponentTick as a Hide Category in an Actor Component Blueprint corrupts the BP and causes a crash when opened after an editor restart

UE - Gameplay - Components - Dec 2, 2015

Setting ComponentTick as a Hide Category in an Actor Component Blueprint corrupts the BP and causes a crash when opened after an editor restart. [Link Removed] Reproduced in 4.9.2 binary, 4.10.0 b ...

Memory Leak in Actor Component Blueprints

UE - Gameplay - Blueprint - Dec 2, 2015

Slow memory leak occurs after opening Actor Component blueprints. ...

Passing a TAssetPtr into a BlueprintImplementableEvent results in a build error in the generated code.

UE - Foundation - Core - Dec 2, 2015

Trying to pass a TAssetPtr to a BlueprintImplementableEvent function will result in a build failure. It appears that the TAssetPtr should be passed as a const reference, but this results in an error ...

When a widget is Anchored for full screen but is outside of the canvas panel this can cause a memory leak

UE - Editor - UI Systems - Dec 2, 2015

If the user places a text widget out side of the canvas panel and then sets it's anchor point to full screen, this can cause a memory leak (100kb-800kb). ...

Unable to Select Multiple Actors Containing Child Actor Components in the Viewport

Tools - Dec 2, 2015

When attempting to select multiple actors in the level that contain Child Actor Components, if you right-click to edit the properties of the selected actors, it will deselect any others that you hav ...

Ragdoll Physics do not Function Properly on a Mirrored Skeletal Mesh

UE - Simulation - Physics - Dec 1, 2015

Selecting the default character/skeletal mesh (or any skeletal mesh) in the viewport, right-clicking and transforming it so it mirrors on the X,Y, or Z axis will cause the physics to act erratically ...

Skybox returns Overlapping UV error after building lighting

UE - Graphics Features - Dec 1, 2015

After bringing the BP_LightStudio into a level and building light an error message is given. The error message says that the Skybox's UV's are overlapping. ...

Automatic Animation Compression Results in Crash

OLD - Anim - Dec 1, 2015

Using the "Automatic" option to compress animation results in crash 100% in UE4.10 but does not occur in UE4.9.2. *Regression ...