Initially supposed to hit the market in mid-2020, the DisplayPort 2.0 monitors got delayed by the global pandemic and are now expected to become available in the second half of 2021. DP 2.0 is clearly superior to HDMI 2.0, as it offers an 80 Gbps bandwidth that can support 4K resolutions @240 Hz with uncompressed HDR color depth or 16K @60Hz with DSC.
https://www.notebookcheck.net/The-first-DisplayPort-2-0-monitors-and-GPUs-to-hit-the-market-in-late-2021.515161.0.html