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Definition: Beta refers to the phase in software development between the alpha phase and the release candidate phase.

Beta software is generally considered "complete" by the developer but still not ready for general release due to a lack of testing "in the wild." Beta software is either released to everyone (open beta) or a controlled group (closed beta) for testing.

"I've been using version 3.2 of my favorite browser but I'm so excited about some of the features in the next version being developed that I installed 4.0 Beta as soon as it was available."
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