Do you know when the new version will come out?
There is no release date.
Isn't there something we can do in the meantime?
Unfortunately no, the option is to wait for the next version.
or can you download the previous image? (recalbox 7.2.2)
No, the Recalbox team is small and there is no way to support multiple versions of the system, so only the latest version is available.
If you want more information about this, it has already been explained in this thread: