The respected securities analyst Ming-Chi Kuo has just posted a new prediction as to how the "iPhone 14 series" might improve in terms of selfie cameras compared to the existing 13 series. This new rumor does not so much discuss a notch or lack thereof this time, however, and concerns the actual shooters to be found in the putative iPhones' front panels.
https://www.notebookcheck.net/The-iPhone-14-series-is-tipped-to-come-with-improved-front-facing-portrait-and-auto-focus-features.614675.0.html