For planning for next season:
The 2021 SoBo Facebook group.
The SoBo's Guide to Baxter and Katahdin. (Updated as events unfold.)
The 2020 SoBo Facebook group.
At the present time Baxter has closed their winter camping season early and all HQ staff are working remotely. The online reservation system is still up. The AT Lodge in Millinocket plans to open on Memorial Day, Cyr Bus line is still running, the Bangor airport and bus terminal are still open.
Unknown at this time: Hostels in Monson. The Kennebec River ferry, Shuttle services.
As you know, the ATC is recommending no thruhikes this year.