formal release meaning in English

正式发布

Following the session was the formal release of the library of best practice , which was championed and compiled by the
最佳行为模范集录在全体会议后正式发行。该集录由
We have started free download of trial version . try the latest version of v3 . 3 before formal release
帮你们翻译下我们已经开始了免费的适用版下载，在正式版出来之前,请尝试最新的3 . 3版本。
After completion of a satisfactory qualification , a formal release for the next step in qualification and validation should be made as a written authorization
当确认完成后，要对其验证和确认的书面版本进行正式的发放。