Unlike the usual depot updates we’ve been seeing, there were 36 updates on the 26th that look like the following, and 10 of these changes applied to both AoE III and to uniquely ID’d mystery apps.
https://steamdb.info/app/2453090/
https://steamdb.info/app/2453092/
https://steamdb.info/app/2453094/
https://steamdb.info/app/2453095/
https://steamdb.info/app/2453100/
https://steamdb.info/app/2453102/
https://steamdb.info/app/2453105/
https://steamdb.info/app/2453110/
https://steamdb.info/app/2453120/
https://steamdb.info/app/2453124/
Here you can see the same style of update for what turned out to be the Hero Cosmetic Pack Vol. 1 and Lizzie.
Interestingly, going back through the history I found that the Knights of the Mediterranean DLC had its initial secret squirrel update added alongside Mexico’s back in November 2021, and African Royals’ was added in March 2021, which means if these 10 apps are indeed DLCs they won’t necessarily be releasing soon or at the same time.
Edit: The updates for African Royals and United States were also added at the same time:
