Noun
beta testing (uncountable)
(software, testing) A form of software testing, after the alpha testing stage, involving a limited audience of external users.
To apply for the beta testing program, users need to join the Telegram group known as “MIUI Global Stable Beta testing Recruitment Group” by June 16, 9 pm and fill a form that is available on the link provided by MIUI India in its tweet. Source: Internet