Allow me to preface this post: HUGE shoutout to KenshiDRK for being an absolute LEGEND in reimplementing the InfoBar plugin as a LUA addon. I do not know what your plans are for bringing InfoBar to Windower 5 but want to contribute anyway.
I am working on adding missing and fixing incorrect monster information to InfoBar as I go along in doing the expansion content (Zilart and onwards, alongside Rhapsodies of Vana'diel) and grind my way to victory. I've started with the current database that is included when one picks up InfoBar via Windower, dated March 8, 2019, and wanted to inform the community as I am working along.
If anyone else wants to help contribute to patching up some holes in the monster tables, I'll need to know what monster and where, and what is missing/needs changed. I'll leave credit lines in my change notes I hope to submit alongside database updates. While I have made a handful of adjustments thus far (like adding information for an NM in Ordelle's Caves that was not listed, for example), I don't plan on submitting as a PR on Github until I feel that I have made some substantial progress, or I've run out of changes for a short while as I go through content. I do hope to push a PR by Christmas at the earliest, but certainly by the end of the year!
I will keep an eye on this thread from time to time for posts to add info to the database. You can also find me on the Windower Discord if you wish to pass changes that way as well.
Worst thief treasure hunter in Vana'diel out.
PS: had to wait a few hours before I could post this. In that time, I've already found some discrepancies between BG-Wiki's monster flags and what is reflected by testing in game. Making notes in the changelog as I go.