root@tst ~ # cat /etc/debian_version 11.6 root@tst ~ # apt policy zabbix-server-mysql zabbix-server-mysql:   Installed: 1:6.4.0~beta5-1+debian11   Candidate: 1:6.4.0~beta5-1+debian11   Version table:  *** 1:6.4.0~beta5-1+debian11 500         500 http://repo.zabbix.com/zabbix/6.3/debian bullseye/main amd64 Packages         100 /var/lib/dpkg/status      1:6.0.7+dfsg-2~bpo11+1 100         100 http://deb.debian.org/debian bullseye-backports/main amd64 Packages      1:5.0.8+dfsg-1 500         500 http://deb.debian.org/debian bullseye/main amd64 Packages root@tst ~ # apt policy zabbix-frontend-php zabbix-frontend-php:   Installed: 1:6.4.0~beta5-1+debian11   Candidate: 1:6.4.0~beta5-1+debian11   Version table:  *** 1:6.4.0~beta5-1+debian11 500         500 http://repo.zabbix.com/zabbix/6.3/debian bullseye/main amd64 Packages         100 /var/lib/dpkg/status      1:6.0.7+dfsg-2~bpo11+1 100         100 http://deb.debian.org/debian bullseye-backports/main amd64 Packages      1:5.0.8+dfsg-1 500         500 http://deb.debian.org/debian bullseye/main amd64 Packages PHP 8.1.14