Announcement Date: March 9, 2020
Golos, Tireless Pilgrim is banned
The following cards are moved from suspended to banned:
Oko, Thief of Crowns
Once Upon a Time
Veil of Summer
The following cards are moved from suspended to legal:
Field of the Dead
Underworld Breach is banned
Once Upon a Time is banned
Tabletop Effective Date: March 10, 2020
Magic Online Effective Date: March 10, 2020
MTG Arena Effective Date: March 12, 2020
We didn't even get the vanilla "Vintage: No Changes" notice. We got the implied non-notice "Vintage: the format WotC won't even acknowledge, let alone give a F about."
They only mentioned the formats they were modifying. There was no mention of Standard /Commander /etc.