ぱすきーもりもりのみなさま〜
> accommodating up to 100 device-bound passkeys (up from 25)

Now available for purchase: YubiKey 5 Series and Security Key Series with new 5.7 firmware  - Yubico https://www.yubico.com/blog/now-available-for-purchase-yubikey-5-series-and-security-key-series-with-new-5-7-firmware/