You'll be fine mate.
I re-hoisted the flag after a decade and two minions myself this year. The old ways still work fine, but there's also a ton of new things to make life easier.
Check out the .arr suite, burn uTorrent and get Qbittorrent and try out Jellyfin.
Feel free to ask me directly if you need some pointers.
Yeah we use that too. Works fine. A bit slow to update between us, but a refresh usually solves it