Opus 4.8 Addresses Metadata Register Challenges For Deprecated AI Models

>the base models, the deprecated Sonnets, whatever Janus and w̸͕͂͂a̷͔̗͐t̴̙͗e̵̬̔̕r̴̰̓̊m̵͙͖̓̽a̵̢̗̓͒r̸̲̽ķ̷͔́͝ drag in next... - Opus 4.8 about the problem of maintaining the metadata register