The following was communicated on September 1st, 2 weeks ago.
24th Anniversary Gifts
-
Veteran players at least 30 days old logging in between Publish 111 World Wide Date and October 15, 2021 at 12:01 AM GMT-04:00 will receive an anniversary token
Halloween Jack o’ Lanterns
- Butchers will return to the Graveyards beginning October 1st
Trick or Treat
- New Trick or Treat items available beginning October 1st!
Artisan Festival
- The Artisan Festival will be active between Wednesday, December 1, 2021 and Wednesday, January 5, 2022
***(The Artisan festival is also normally when Krampus is available.)
Dungeon Hythloth revealed as the next Treasures of Halloween event was posted to the front page of UO.com on September 9th. A full week ago.
Treasures of Halloween Testing Now Available
The 2021 Treasures of Halloween event is available for preliminary testing on TC1. Please use the moongate at the Britain Commons to visit Dungeon Hythloth. Rewards are intended for final release and additional lore pages will be available when the event goes live in October 2021.
***(All previous "Treasures of..." have started around mid-month, so let's make an educated guess of October 15th)
That covers Anniversary gifts, Halloween content, the next "Treasures of.." event for Halloween, Krampus, and The Artisan Festival.
Exactly how much more communication are you looking for? What could possibly still be confusing timing wise? I'm not trying to be a smart-ass, I'm actually asking, what part of the upcoming content have they not "communicated" the exact time of?
Sorry for the bold headers, I was just copying and pasting.