Unable to save blueprint after Hot Reload that affects the class the blueprint is based on

UE - Gameplay - Blueprint - Sep 14, 2015

After hot reloading a project, if the class a blueprint is based off of was edited, the blueprint is unable to be saved due to being referenced in Engine/Transient. Project for Repro: [Link Removed ...

The property 'bWantsBeginPlay' on UActorComponent should be enforced.

UE - Gameplay - Sep 14, 2015

UActorComponent's property 'bWantsBeginPlay' is not being enforced. We should prevent BeginPlay from being called when this flag is false. We'll need to address upgrade issues for components that h ...

Refraction not working with MakeMaterialAttributes

UE - Graphics Features - Sep 14, 2015

When setting a material to Use Material Attributes and then feeding in a Refraction value with MakeMaterialAttributes, the refraction doesn't work properly Reported in 4.8, but I tested in Main as ...

Migrating a Material Instance pulls along its preview mesh and all associated materials and textures

UE - Rendering Architecture - Materials - Sep 14, 2015

A licensee has complained that if you assign a preview mesh to a Material Instance, it becomes a referenced asset, so migrating that MatInst will also migrate that mesh and whatever material is assi ...

Graphics failure when pasting code for a BP node into Color Picker Hex field

Tools - Sep 11, 2015

Graphics failure when pasting code for a BP node into Color Picker Hex field Does not occur in 4.8.3 ...

Trigger class bp doesn't recognized custom Object Collision settings for overlap

UE - Gameplay - Sep 11, 2015

Trigger class bp doesn't recognized custom Object Collision settings for overlap User Description: When I place a trigger box in the world it blocks the player. I have it setup up so that the pla ...

Custom Depth Stencil Pass does not function on Mac

UE - Graphics Features - Sep 11, 2015

The Custom Depth Stencil Pass when enabled in the Editor will not show any information in the Buffer Visualization on a Mac ...

Up Ratio on the Gear Setup for Vehicle Movement Component does not work correctly

UE - Simulation - Physics - Sep 11, 2015

When changing Up Ratio for the Gear Setup in a Wheeled Vehicle's Vehicle Movement Component, there are some weird results. At 1.0 for Gear Setup, the gear should shift once RPM is at max but it will ...

Opening Particle System in Debug Mode will crash Editor

UE - Graphics Features - Sep 11, 2015

Running a Project in Debug Mode and attempting to open a Particle System using a DepthFade node in Material will crash the Editor with the message listed in Callstack ...

Torque curve makes no difference on vehicle movement

UE - Gameplay - Blueprint - Sep 11, 2015

When changing the Torque Curve in a Wheeled Vehicle's Vehicle Movement Component, the values set don't affect the torque of the vehicle. ...