This meaning refers to a development stage in which a product is tested by users before final release.
The app is currently in beta.
Users reported several bugs in the beta version.
In finance, beta measures how strongly an asset's price tends to move relative to a market benchmark.
The stock has a beta above one.
Investors use beta to compare market risk.
This informal use describes something secondary, less dominant, experimental, or not fully developed.
The feature still feels beta.
The character was presented as a beta member of the group.