Database performance improvements and various bug fixes, 25th July 2023.
- Significant database performance improvements (PRs from @pupi1985)
- Other miscellaneous performance improvements.
- Avoid SMTP credentials in Admin area from being autofilled (PR #972 from @pupi1985).
- Allow pagination of element lists that exceed QA_MAX_LIMIT_START (PR #932 from @pupi1985).
- Handle image resource changes in PHP 8.
- Fix microdata error (PR #909 from @pupi1985).
- Switch to rawurlencode/rawurldecode functions (PR #966 from @pupi1985).
- Paginate special users page (PR #953 from @pupi1985).
- Invalidate cache when new answers/comments added (PR #949 from @pupi1985).