Microsoft announced in the bulletin it shared yesterday that it has changed the update model for the Exchange Server.
Updates published quarterly (March, June, September, and December) were changed after feedback from customers. And they announced that they have commissioned a new update service.
In the announcement, two CU’s per year – will releasing in H1 and H2 of each calendar year, with general target release dates of March and September (these dates may change).
Next CU will be released in H2 of 2022 only for Exchange 2019, has ended CU’s for Exchange Server 2013 and Exchange Server 2016, only SUs will be released.
Have a nice day !