It's FOSS - https://itsfoss.com/linux-mint-19-release-feature/
Brief: This is a continually updated article to inform you about Linux Mint 19 release date, features and everything important associated with it.
Linux Mint 19 codename has just been released. The first release of the upcoming Linux Mint 19 series will be called “Tara”.
Linux Mint 19 Release Date
Unlike Ubuntu, Linux Mint doesn’t follow a strict schedule. Therefore you only get an estimated release date for Linux Mint. Normally, a new major Mint version comes out around two months after the base Ubuntu release.
Linux Mint 19 series will be based on Ubuntu 18.04 LTS. Considering that