Can't Select PHP 7.4 on Obsidian 18.0.21?

we have:

• OS: ‪CentOS Linux 7.7.1908 (Core)‬
• Product: Plesk Obsidian 18.0.21 , last updated at Nov 26, 2019 07:02 AM
• Checked at Dec 26, 2019 03:21 AM.

Which I thought included php 7.4 - log shows 7.4 being updated, but the "Install or Upgrade Plesk" apge does NOT list php 7.4 as an option we can offer and choose on ANY domains php settings. And there is NO selection listed to install php 7.4

We have a...

Can't Select PHP 7.4 on Obsidian 18.0.21?