Yes, but it’s anti-consumer bullshit from Shimano. They are making Hammerhead remove Di2 functionality because Hammerhead was recently bought by SRAM, the other big player in the bicycle component market, who make their own electronic groupsets.

It’s like you’ve been using AirPods with your Android phone for ages with no issue, then Google releases some wireless earbuds and Apple decides AirPods no longer work with Android phones at all.