noun
final version
Used in computing contexts for the last release of software, a document, or a product.
このアプリのファイナルバージョンは来月リリースされます。
The final version of this app will be released next month.
Variant with interpunct, sometimes used for clarity.
ベータ版 is a pre-release test version, while ファイナルバージョン is the finished product.
Loanword from English 'final version'.