I have 1.0 installed, but now DH is blocking all local (server-side) requests. They've completely disabled my OwnCloud and RoundCube installations. Most likely a firewall restriction they've put in place. I've been trying to resolve all day, but it looks like I'll have to move to Rackspace or another host.
[13-Oct-2014 08:58:57 -0700]: IMAP Error: Login failed for ACCOUNT@DOMAIN from IP. Could not connect to ssl://mail.example.com:993: Connection timed out in /home/my_account/example.com/program/lib/Roundcube/rcube_imap.php on line 184 (POST /?_task=login?_task=lo
As far as PEAR, I'm not having any issues. If you're running on shared host service, I'd contact them. They upgraded many servers over the weekend, so they are probably missing packages.