While there is no official "DLC CODEX" update—as "CODEX" typically refers to third-party scene groups—you can find high-quality information for a blog post regarding the legitimate updates and community-driven enhancements.
If you want, I can:
Pirated flight sim content is a favorite vector for malware. Scenery files are large (multiple GB), making them ideal for hiding payloads. Many users report that “CODEX updates” found on unverified torrents actually contain: x plane 11 global scenery dlccodex upd
18;write_to_target_document1b;_p5_saerqCNClptQP8sXqqQI_100;57; 0;a6a;0;5e9; 0;11c5;0;2b8e; X-Plane 11 - Global Scenery: Europe в Steam While there is no official "DLC CODEX" update—as