Previous rumors were reporting that Intel may start outsourcing for some 10 nm and 7 nm CPUs in the next few years, but the latest financial report suggests that the company will not rely too much on external fabs. Apparently, Intel managed to fix its 7 nm nodes and will produce most of the 2023 CPU in its own fabs, while the 10 nm nodes should become fully working this year with quadrupled supply unit growth.
https://www.notebookcheck.net/Intel-to-produce-most-of-the-7-nm-CPUs-releasing-in-2023-on-its-own-fixed-nodes-some-parts-will-still-be-outsourced.516363.0.html