Hi, the hplip-common package still contains hplip 24, while version 25 was released a long time ago. V25 is necessary to support some printers and many scanners on Fedora 40+,
Use rpm-ostree to update hplip and hplip-gui and do not forget to also update the scanner plugin that is required to match the driver version. I think it also requires libsane-hpaio