The Ross Class got its start in the Star Trek Adventures Clear Skies playthrough before entering into the lore of Star Trek Online. It then was made canon in Picard as part of the 25th century Starfleet. The Ross replaces the Galaxy class and takes elements from the Sovereign but it's got more going on than first appears.

Clear Skies Live-Play
   • Clear Skies Episode 1: Prologue  

Ross Render used with permission from Thomas Marrone
Artstation: https://thomasmarrone.artstation.com/

00:00 Introduction
00:30 Real Origins
02:00 Mission Profile
03:23 Development
05:59 Specs
07:04 Dual Warp Cores
08:38 Auxilary Craft
09:01 Legacy
10:04 Conclusion

Music from bensound.com, purple-planet.com and freesfx.co.uk
Star Trek Online developed by Cryptic Studios and Perfect World.
Star Trek Picard/Strange New Worlds/Enterprise/Voyager/Deep Space Nine/Discovery and The Next Generation are all owned by Paramount Pictures/CBS and distributed by CBS.
This Video is for critical purposes with commentary.