プレリリース

noun

prerelease

Used for software, games, movies, music, or other products made available before the official release date, often for testing or promotional purposes.

• このゲームのプレリリース版ばんは来らい月げつ公こう開かいされる。

  The prerelease version of this game will be released next month.

• プレリリースに参さん加かしてバグを報ほう告こくした。

  I participated in the prerelease and reported bugs.