Missing IMAP METADATA Plugin

OS: Ubuntu 22.04.1 Dovecot: 2.3.16 (7e2e900c1a)

When trying to enable the “imap_metadata” plugin, I get the following error: Plugin 'imap_metadata' not found from directory /usr/lib/dovecot/modules

I have searched high and low via Google, StackOverflow and even ChatGPT (haha) but I cannot seem to find the package that provides the plugin.

Does Dovecot have to be built from source for this plugin to be included?

Any help is appreciated.

Thank you!