So...I was rewatching Eternals recently (yes, I'm the one who actually likes it :)).
Supposedly, the Celestials didn't want the Eternals to get involved with the whole Thanos business because all that was beneath the concern of the Celestials, and therefore of the Eternals. Their only concern...
Well, the last four are in 2026, so those would be Phase 7 dates.
At any rate, there are rumors (salt to taste) that Marvel is discussing a second Eternals film. Whether it will be one of the unannounced Phase 6 films or a Phase 7 film who can say?
Other interesting point: the "phases" are getting shorter again. In terms of just the movies:
Phase 1: 6 films (Iron Man to The Avengers)
Phase 2: 6 films (Iron Man 3 to Ant-Man)
Phase 3: 11 films (Civil War to Far from Home)
Phase 4: 7 films (Black Widow to Wakanda Forever)
Phase 5: 6 films...
Maybe I've not been paying enough attention to the date-swapping up to this point, but it appears that The Marvels and Quantumania have switched places. They are now Quantumania for 2023 02 17 and The Marvels for 2023 07 28. I could've sworn the last time I checked (which wasn't all that long...