What's Changed

• Add optional health check to Pi-hole databases in debug script by @yubiuser in https://github.com/pi-hole/pi-hole/pull/4745
• Add spinner for long processes running during debug log by @rdwebdesign in https://github.com/pi-hole/pi-hole/pull/4815
• Fix shellcheck warnings by @yubiuser in https://github.com/pi-hole/pi-hole/pull/4825
• Don't fail if Alma or Rocky are detected by @yubiuser in https://github.com/pi-hole/pi-hole/pull/4824
• Only execute spinner function if there is a tty by @rdwebdesign in https://github.com/pi-hole/pi-hole/pull/4834
• Use prefers-color-scheme for theme based logo by @yubiuser in https://github.com/pi-hole/pi-hole/pull/4838
• Fix spaces in dialog msg by @yubiuser in https://github.com/pi-hole/pi-hole/pull/4832
• Add OS_CHECK_DEPS to uninstall script by @yubiuser in https://github.com/pi-hole/pi-hole/pull/4846
• Indent installation/update complete message by @yubiuser in https://github.com/pi-hole/pi-hole/pull/4848
• Remove unused and outdated files and scripts by @yubiuser in https://github.com/pi-hole/pi-hole/pull/4847
• Move FTL port and PID functions to utils.sh by @yubiuser in https://github.com/pi-hole/pi-hole/pull/4839
• Drop explicit support for CentOS 7 from the install script by @PromoFaux in https://github.com/pi-hole/pi-hole/pull/4828
• Ensure user defined FTL_PID_FILE and FTL_PORT_FILE dirs are created on startup by @yubiuser in https://github.com/pi-hole/pi-hole/pull/4855
• Exit init script with error result code if FTL fails to start by @dschaper in https://github.com/pi-hole/pi-hole/pull/4857
• Fix git indention by @yubiuser in https://github.com/pi-hole/pi-hole/pull/4863
• Extend FTL information in debug log by @yubiuser in https://github.com/pi-hole/pi-hole/pull/4864
• Skip web server dialog if --disable-install-webserver has been passed by @MichaIng in https://github.com/pi-hole/pi-hole/pull/4843
• Remove the advanced functionality of the 404 page (Blockpage) by @PromoFaux in https://github.com/pi-hole/pi-hole/pull/3910
• Add security-related headers to Pi-hole web interface by @DL6ER in https://github.com/pi-hole/pi-hole/pull/4862
• Store versions as key/value pairs rather than space delimeted values by @PromoFaux in https://github.com/pi-hole/pi-hole/pull/4875
• Remove the email function by @yubiuser in https://github.com/pi-hole/pi-hole/pull/4870
• Add jq as dependency and remove json_extract by @yubiuser in https://github.com/pi-hole/pi-hole/pull/4878

Full Changelog: https://github.com/pi-hole/pi-hole/compare/v5.11.4...v5.12