Crossword Genius

Prerelease software version (4)

Ross

I believe the answer is:

beta

'prerelease software version' is the definition.
(I've seen this in another clue)

This is the entire clue.

(Other definitions for beta that I've seen before include "testing stage" , "Second Greek letter - beat that" , "Second-rate" , "Greek letter -- second in order of importance" , "2nd letter of Greek alphabet" .)

I've seen this clue in the LA Times.
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