A Adobe staff member has dug with the archives and confirmed that any grandfathered 1TB won't be affected. MFT lens profiles are crafted in the data files from the digital camera, so Lightroom reads them in the data files. You may Develop your own using the lens profile editor, but https://www.nathanisoconsulting.com/blog/what-is-bcm-certification-and-why-is-it-crucial-in-saudi-arabia/