betaversion
nounUK /ˈbiːtə ˈvɜːʃən/
US /ˈbeɪtə ˈvɜːrʒən/
A beta version is an early copy of a computer program that people test to find mistakes.
The game is still a beta version, so it may crash sometimes.
OTHER MEANINGS
2. A version of a product shared with a small group before the full launch.
They sent the beta version to a few users for feedback.
3. A stage in software development after alpha testing.
The app moved from alpha to beta version last week.
4. An unfinished release that may still have problems.
Don't rely on the beta version for important work.