YEEEEEEEES!!!
Shimano FINALLY sells a 46/30 crankset!!
https://gravel.shimano.com/en/components/di2-speed/
(and for those who care, 1x as well)
BUT...with 12-speed about to be a thing any time now...this is again the World's Worst time to be releasing 11-speed parts. When gravel riding season is already under way and people have already bought kit for the year.