As per the title, a new Long Term Support (LTS) version of Ubuntu is now the default OS image for VPS installation.

Also, spamassassin has been updated to increase spam hit ratio on the IMAP server.

2010-12-14 On-demand Instances
2010-07-07 Ubuntu 10.04 now the default
2009-01-08 Linux VPS
2008-07-10 Cookie-based login
2008-04-02 Software upgrades
2008-02-19 Services upheaval & testing
2008-01-05 Choose FreeBSD for reliability
2008-01-02 A new year at Octopus
2007-10-17 DNS server - slave zones
2007-10-17 Octopus NTP server
2007-10-16 Email & DNS config live
2007-10-10 Intense beta-testing
2007-09-17 VPS admin interface
2007-09-16 Converted to PostgreSQL
2007-09-16 Shared memory problems solved
2007-09-15 Problems with PostgreSQL
2007-09-13 Pricing plans put up
2007-09-12 Preparing to launch