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You guys are right that there are way more released chapters of FF that are not on Dynasty yet. To be exact, at the time of writing, the latest chapter is chapter 35 and the latest chapter on Dynasty is chapter 7.
But this is not because "Dynasty is behind with their own translations and edits". There isn't a "Dynasty team" of translators and editors/typesetters that is working on FF. All the English translated chapters of FF that you read anywhere on the Web pretty much all come from the same people.
Almost all FF English translations come from halmoni. Translations of early chapters were done by Haggant. When a new chapter comes out, halmoni provides a quick translation within a few hours. Then, someone would take this translation and create a rough typeset of the chapter. The people who do the rough typesets, a.k.a. roughs, are QCO (first 28 chapters), Cold, d.d.d., kyra and various other contributors.
Roughs, as the name implies, are not perfect, nor are they meant to be. They are typesets that are done relatively very quickly. The point of the roughs is just to get the translated chapters out as quickly as possible so that people can read and enjoy them. However, they are not meant to be the "final releases". Afterwards, the team goes hard at work to create the final releases. This involves reviewing and improving the translations, cleaning up the images, getting rid of JPEG artifacts, doing the final typesetting, quality-checking, so on. This FF scanlation team is comprised of jrdp_18 (raws, QC), halmoni (translation, TLC), Haggant (translation, early chapters), Kanaria (TLC), Gulf Standard (QC), kyra (QC), kubrick (cleaning), winter (cleaning), takachi (cleaning), Ryo (editing/typesetting). Apologies if I missed anyone.
Now, if you see FF chapters in English on various other sites, you are basically looking at the roughs. Many sites just take whatever they find, even if they are roughs, and upload them. Without ever asking the people who made them, of course.
Then, why doesn't Dynasty just upload the roughs like so many other sites? Because Dynasty tries as much as possible to respect what the scanlators want. So essentially, Dynasty only uploads the final high-quality releases. And personally, that's fine, since if you want to read everything up to the latest chapter, you can read the roughs.