Plesk Obsidian 18.0.75 tightens security, modernizes runtimes, and doubles down on accessibility — with PHP 8.1 now firmly in “outdated” territory
Plesk has released Obsidian 18.0.75 (dated January 6, 2026), a maintenance-heavy update that still carries real operational weight for hosting providers and sysadmins. While it doesn’t introduce flashy UI changes,
