glib-mkenums error for ublox plugin

[Colin Helliwell]

> On 15 February 2017 at 08:49 Aleksander Morgado <aleksander at aleksander.es> wrote:
> 
>> (By the way - the configure summary is reporting "ModemManager 1.7.0"?)
>
>That is normal. The version in git master is 1.7.x; the next stablemajor release will be 1.8.0.

Is there a schedule for release of 1.8.0?  (At some point I'd like to get onto a fixed tag/branch as opposed to tracking the head)