From the #sailfishos-porters irc:

[23:42:19] <sledges> early testers welcome, please feedback things i obviously forgot (guide is ready only until the first dhd build): https://sailfishos.org/wiki/Sailfish..._iknewyoudlook

Also this seems noteworthy:

[23:51:20] <mal> sledges: nice
[23:52:18] <sledges> thanks community will be able to bake images for other sony open devices by *just* adding their/family repos to manifest and tweaking configs for pixel ratio