The ticks aren't going away. They're just sending exact timestamps for movement so the server side view of a hitbox is more accurate when rewinding hixboes. The difference on 60 tick was sometimes large enough to miss headshots on faraway targets. It'd of course help if their clock sync and anti-drift measures were better now. It's NTP hard mode.

Is there a reason you would expect them to use floats here instead of fixed-point? I would naively guess the latter.