Related Clues:

• Greek character some maybe tamed
• ''B,'' to the Greeks
• One-time VHS rival
• Head of Byzantium?
• Greek letter — second in order of importance
• In __ (being tested)
• Still-buggy software version, often
• Often-buggy software version
• Risk a second letter
• Still buggy, perhaps
• Buggy version, perhaps
• Not quite bug-free
• Software testing phase
• App testing stage
• Thing before gamma