Support for Protocol Buffer Format (PBF) GZ Vector Tiles?

[geospatialmapmashup]

Is there a reason this does not support vector tiles?
is there a plan to support vector tiles?

[apdevelop]

This project implements currently very basic features of tile server
The support for more formats is planned Support for more formats (vector tiles)

[apdevelop]

The basic support for serving pbf vector tiles from MBTiles source was added 5874443
For further development I need to understand usage scenarios (client types) and variety of real datasets.