Here the proposed release schedule for Ubuntu 14.10 Utopic Unicorn
Alpha 1:
June 26th
Alpha 2:
July 24th
Beta 1:
August 28th
Final Beta:
September 25th
Release Candidate:
October 9th
Final Release:
October 16th
Alpha 1:
June 26th
Alpha 2:
July 24th
Beta 1:
August 28th
Final Beta:
September 25th
Release Candidate:
October 9th
Final Release:
October 16th