Problem/Motivation
Drupal 9 supports PHP 7. However all versions of PHP 7 will be end of life on 28 Nov 2022. See https://www.php.net/supported-versions.php
Proposed resolution
Drupal 10 to require at least PHP 8. Depending on PHP uptake, discuss if requiring PHP 8.1 is feasible.
Remaining tasks
Agree.
User interface changes
None.
API changes
None.
Data model changes
None.
Release notes snippet
TBD