Shimano clearly has a solid, affordable, 12-speed mountain bike group at the table now with SLX.
Shimano releases latest 12-speed MTB groupset - BikeBiz
Old man yells at cloud, and 12 speed drivetrains. Lets go back to 2013.
TRP EVO 12 Drivetrain Kit - 12-Speed, Black/Gold - Two Hoosiers Cyclery, LLC
Shimano Groupset Hierarchy Explained: Mountain Biking, Road Cycling, and Gravel
Shimano SLX M7100 Groupset, 1x12, w/ crankset - HG 9/10/11s Freehub Compatible
12 Speed Shimano SLX Bike Parts
New SHIMANO 105 Di2 Delivers 12-Speed Shifting and Wireless Performance to More Riders
Shimano Groupset Levels Explained: MTB, Road, and Gravel
TESTED: Shimano Deore M6100 12-speed group set - Australian Mountain Bike
Shimano Deore M6100 groupset review
Shimano Consolidates Entry- to Mid-Level Groupsets With New CUES Drivetrains - Pinkbike
Shimano GRX - Gravel Bike Tech - A new series of technical articles - 3T Blog