Ahead of Unpacked, Samsung's press release for the Galaxy Tab S8 series has leaked, revealing the company's plans to deliver four major OS updates to its current flagship phones, with five years of support in total. The Galaxy Z Flip3 and Galaxy Z Fold3 will, for example, receive Android 15.
https://www.notebookcheck.net/Samsung-Galaxy-Tab-S8-Galaxy-S22-Galaxy-S21-series-to-receive-four-major-OS-upgrades.598104.0.html