What happened to the endgame mate drills?

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xAptive

There used to be drills where you could practice two rook (ladder) mate, queen mate, 1 rook mate, etc.  I can't find them anymore.  Does anyone know where they went?

justbefair

https://www.chess.com/endgames

https://www.chess.com/practice/drills

xAptive

Thanks!