mmWave 5G spectrum: what has happened over the past year?

So what is the current state of play regarding mmWave 5G spectrum? Here is our snapshot summary:

• The frequencies most likely to win approval for an IMTInternational Mobile Telecommunications (I… identification and to be made available for 5G, are 26 GHz and the bands around 40 GHz
  • In general terms, the lower the band, the more support it gets
• Support for 32 GHz has fallen away with CEPTCEPT stands for the European Conference of… and the members of the relevant ITUThe International Telecommunication U… study group withdrawing their backing
• The US is effectively releasing for 5G all the ITU candidate bands above 47 GHz but support from other countries is limited:
  • The most hopeful prospect among the higher bands is 66-71 GHz. An IMT identification in this band has definite backing from CEPT and ATUThe ATU stands for African Telecommunicati… and possible support from CITELThe Inter‑American Telecommunication Com… and APTAsia-Pacific Telecommunity (APT) is a regi….
  • The frequencies around 50 GHz  have a limited chance of success as Africa and the former Soviet countries support them
  • An IMT identification for 71-76 GHz  and 81–86 GHz seems unlikely
• In 26 GHz different regions may end up with different power limits
  • Europe is proposing much stricter limits to protect adjacent satellite monitoring services than African and Arab countries, but WRC-19 will try to build a consensus
  • The protection limits may mean only the top part of 26 GHz will be economically feasible, but equipment tuning ranges may straddle both this and 28 GHz, making them effectively one band