Framework mainboards with 12th gen Intel CPUs have yet to become available. For repairing or replacement purposes, however, these 11th gen CPU mainboards are now on sale complete with CAD and electrical documentation for tinkerers.
https://www.notebookcheck.net/Framework-Laptop-mainboard-is-now-available-directly-from-the-company-starting-at-400-USD.615138.0.html
PC enthusiast back then: "Ambushed FDA truck today w/ tons of LN2; will need it ALL to break that 8 GHz record".
Same now: "Hello Reddit; my new laptop LEGO part has arrived, and it was just $349!"