>“We did of course consider the addition of new jobs, abilities, and characters—including the jobs featured in War of the Lions. However, the original version of Final Fantasy Tactics is a very complete game both from a game design and story perspective. If we were to make major changes, it would only be a loss for not only fans of the original game, but also those new to the title."
>"With this in mind, our first step in reviving Final Fantasy Tactics in the present was to adhere to the original and put a spotlight on the original game’s characters and jobs, as well as the original gameplay experience.”
It seems the re-re-re-release includes none of the content or classes from War of the Lions or the mobile releases, but uses the localized script made for modern audiences. It is the original PSX version with the modern re-translation and nothing additional.