MakeMKV outputs progress to stderr. You can parse it and update KeyDB:

handles this automatically by downloading keys from its own servers. However, serves two vital purposes: Bridging the Gap : Community databases (like those found at FindVUK Online

Even with the file in the directory, you should force the path for reliability:

Generally, . MakeMKV is designed to be self-sufficient. It uses its own internal logic and "hashed keys" that it downloads automatically from its own servers to decrypt discs.

Elias sighed, leaning back in his chair. It was a 4K UHD release of an obscure sci-fi classic—one he’d waited months for. Normally, MakeMKV handled things automatically via internet updates , but this disc variant was too new, or maybe too rare. The hashed keys hadn't reached the central server yet.