The <xref linkend="guc-password-encryption"> server parameter

no longer supports <literal>off</literal> or <literal>plain</literal>.

The <literal>UNENCRYPTED</literal> option is no longer supported in

<command>CREATE/ALTER USER ...PASSSWORD</command>. Similarly, the

<command>CREATE/ALTER USER ...PASSWORD</command>. Similarly, the

<option>--unencrypted</option> option has been removed

from <application>createuser</application>. Unencrypted passwords migrated from

older versions will be stored encrypted in this release. The default