Released: 2022 H1 Cumulative Updates for Exchange Server

@The_Exchange_Team

re:  Customers have told us (that quarterly updates are) too frequent and that it hinders their ability to stay current 

I've never heard anyone say that ever and don't recall it being mentioned in these forums - certainly not enough to remember and as with previous pronouncements about what "customers have told us" it all seems very convenient.  You don't listen to or even comment on the vast majority of what people that are very involved in Exchange have been suggesting in these forums for years yet you make changes based on these mythical "customers".  

re: "Customers also tell us that December is not a good time to release a CU, which is why we didn’t release any in December 2021."

I've never heard that either.  December is a great time to release a CU. If you have a change freeze or too many people away on holiday in December, you install it in January after you've enjoyed your time off and you have the benefit of seeing if it caused a problem for anyone back in December.  "Will the new CU kill my Exchange server?" is a question that people ask out here in the real world,

re: "moving to a release cadence of two CUs per year ....  target release dates of March and September. ....  But our release dates are driven by quality, so we might release updates in April or October, or some other month"

So the new cadence means nothing really.  You'll release (and inexplicably delay the release of) fixes as you see fit and generate confusion, especially in these forums about what order to install the "Hx" CU releases versus the off-schedule releases versus the SU's etc.   You've been playing with the cadence and terminology (Hx CU, CU, SU, Service Pack, Rollup and whatever else I've forgotten) for years since Exchange 4.0 but nothing really changes.  

Quarterly CUs were a reasonable approach but you've chosen to muddy the waters yet again for no apparent reason outside of what "Customers have told us".