The GNOME Release Team sent out a reminder that next week marks the API/ABI, UI, and feature freezes along with the start of release note writing and the GNOME 3.20 beta release.
This deadline is on Monday, 15 February, while the actual GNOME 3.20 Beta is set for Wednesday, 17 March. GNOME 3.20.0 remains on target for releasing on 23 March. The schedule remains on this Wiki page.
The usual Phoronix feature overview for GNOME 3.20 will come as the release moves closer.