Agreed, I was also looking into DDC/CI for input switching my 2017 XB271HU, and mine works for brightness but definitely not input switching. Meanwhile my 2019

Agreed, I was also looking into DDC/CI for input switching my 2017 XB271HU, and mine works for brightness but definitely not input switching. Meanwhile my 2019 HP Z27 supports the full protocol, so I had to drop the idea