Unreal Engine Issues

Disabling the Paper 2D plugin causes a packaged project to not open

When working in a project that is in 4.16, disabling the Paper2D plugin causes a packaged version of the project to not open. This issue is different from previous versions as disabling the plugin i ...

BPGC GetPreloadDependencies() may be excluding non-DSO archetypes

Currently, UBlueprintGeneratedClass::GetPreloadDependencies() is only inclusive of subobjects instanced via CreateDefaultSubobject(). We may need to broaden it to include RF_ArchetypeObject and/or ...

Cannot build for Windows with the Steam VR plugin Enabled

If a user has the Steam VR plug in enabled it will cause the build for windows to fail when trying to package. ...

BP-implemented BT decorator issues with 4.6 to 4.7 upgrade

Changes done to BTDecorator_Blueprint result in users not being able to upgrade their BP-implemented decorators to 4.7. ...

Linear Color Texture causes break point through Material Function into Material Instance

When changing the Texture in a Material Instance made from a Material with Parameters found in a Material Function, Visual Studio throws a breakpoint. I was able to continue past the breakpoint (3 ...

AIController.BrainComponent not being set to user-created BehaviorTreeComponent instance

If a user manually created a UBehaviorTreeComponent for his custom AI controller, but forgets to set AIController.BrainComponent to point at that BT component then a fair amount of assumptions break ...

No warning is shown when a disabled mobile shader permutation is required for rendering

Removing components from Landscape with simplified collision results in assertion

Performing operations on a Landscape with simplified collision can result in an assertion ...

Hang occurs on Mac when Japanese input is selected and the window to select the parent class for a new Blueprint is opened with the All Classes section expanded

The Editor will hang on Mac if Japanese input is selected on the Mac and the window to select the parent class for a new Blueprint is opened with the All Classes section expanded. REGRESSION: No. T ...

MediaFramework movies not playing properly in Shipping

`check(Samples.Pop());` this kind of `Pop()` inside of a `check()` is in a few places in MediaSampleQueue.h and MediaSamples.cpp but `check()` expands to nothing in Shipping/Test, so, required work ...