From the just-concluded ISO C++ meeting:

Trip report: Winter ISO C++ standards meeting (Kona)

by Herb Sutter

From the article:

Per our official C++20 schedule, this was the last meeting to approve features for C++20...

So we now know most of the final feature set of C++20! At our next meeting in July, we expect to formally adopt a few additional features that were design-approved at this meeting but didn’t complete full wording specification review this week, and then at the end of the July meeting we will launch the primary international comment ballot (aka CD ballot) for C++20....