This past week, Final Fantasy 14 issued a strong statement making it clear that third-party tools of all kinds are prohibited.
While some MMOs, World of Warcraft being one excellent example, allow add-ons that can alter user-interface elements, Final Fantasy 14 is strictly opposed to all modifications.
A serious problem has arisen from the topic, however. Colorblind Final Fantasy 14 players say that the MMO doesn't have adequate accessibility options, so third-party software is currently the only available solution.A popular post on the FFXIV subreddit from user ReviloD18 called attention to the matter recently.
ReviloD18 points to two different encounters, a dungeon encounter and a raid encounter, that specifically create issues for certain types of colorblind players.Read more on gamerant.com