Originally Posted by ceejay ➡️

Amazing news from AITB, for M1 Mac users!
Recently, Mirco Reimer and Raphaël Bellamy found a way for Mac M1 users to authorize and use AITB libs on their machines.
I'll quote Mirco's post below:

🚀 We did it! 🚀
Our libraries now launch in Reaper, Logic and FLStudio 2024 on M1 without Rosetta—thanks to Nebula Setups! ✨
For now we only tested it with N4.
Please be cautious when replicating this process—make backups of your settings, files and projects first! We assume no liability for any issues that may arise.
How it works:
1️⃣ Create the Nebula Setup under Rosetta:
Launch your DAW in Rosetta mode and open Nebula.
Choose your preferred Nebula configuration and save it as a “Nebula Setup.” under Setups.
Behind the scenes, a background process intercepts this setup and writes out a brand‑new plugin file in x86_64 format, piggy‑backing on Rosetta’s translation layer.
2️⃣ Restart your DAW without Rosetta:
Quit your DAW, disable the “Open using Rosetta” option, and relaunch it normally.
On rescan, Reaper and Logic (and hopefully every other modern DAW (we tested just Reaper, Logic and FLStudio 2024) will spot the freshly created x86_64 Nebula Setup plugin.
The DAW automatically bridges that plugin into your ARM environment—no Rosetta overhead, no fuss.
3️⃣ Enjoy :
Load your Nebula Setup just like any other plugin; no more need of Rosetta.
All our libraries should run (tested with Mammoth and parts or EAR)
This only works because it’s a bridged version of Nebula that taps into the exact same x86_64 code Rosetta normally uses, but in your DAW running without Roesetta.
A huge thank you to Raphaël Bellamy who helped me make this happen—it took a lot of time, but it was worth it.
Happy Easter, everyone! 🐰🌷

P.S. Personally, i'm a PC guy, so barely know what this is all about, but i'm guessing this may greatly help for M1 users with not only AITB libs but overall. The key is to use N4 instead of N4.5, with the workaround described by Mirco above. Hope it'll help!