The "523" designation is often used as a catalog or search code for specific songs or segments within the Sone franchise. SONE Season 2: The Best Series of 2025
If you meant something else by (e.g., a typo for "Sony 523" or a model number), let me know and I can reframe the feature entirely.
If your plugins aren't loading, check if they are compatible with the updated API. Some older scripts may need to be updated to match the SONE 523 revision.