FRR is undergoing a fairly rapid pace of development, thanks to the cloud-scale operators and hosting providers which are using it in production.

https://cumulusnetworks.com/blog/welcoming-frrouting-to-the-linux-foundation/

On Tue, Jan 8, 2019 at 11:55 AM Randy Bush <randy@psg.com> wrote:
> We plan to resume the experiments January 16th (next Wednesday), and
> have updated the experiment schedule [A] accordingly.  As always, we
> welcome your feedback.

i did not realize that frr updates propagated so quickly.  very cool.

randy