Related Clues:

• Letters before gammas
• Step on the way to the Olympics, maybe
• Buggy versions, maybe
• Olympic hurdles?
• Buggy versions, often
• Often buggy versions of software
• Olympic qualifying events
• Early releases of a sort
• Software prototypes
• Bugs may lurk in them
• Legal proceedings or tests of endurance
• Court hearings or experiments
• Court cases or ordeals
• There's a den in the street up there in the court
• See 27 across for the trouble they cause