Is there a reason macOS Tahoe 26 is showing up as an upgrade on my Mac?

Is it an OpenCore issue, or does my Mac think it supports Tahoe? Not planning on installing until it's officially supported by OpenCore, just curious.

https://preview.redd.it/9seajknycfpf1.png?width=1040&format=png&auto=webp&s=a367998416ebe956fa4dfc2517bde0049a4fdff5