Originally Posted by bike_tom

I believe GRX is the only remaining Shimano Di2 groupset that is still fully wired. Dura Ace, Ultegra, and the new 105 use wireless shifters. Given that GRX was introduced in 2019, an update would seem likely sooner rather than later. If this is a "nice to have" upgrade, you might consider waiting a bit to see what comes out this year. Depends on the value one places on reducing wires/cables. Just a thought.