Intel has announced that a raft of processors based on the Coffee Lake architecture have reached the end of their life. This new notice encompasses Core i3-, i5- and i7-8xxx CPUs. It also extends to certain Pentium Gold and Celeron desktop chipsets.
https://www.notebookcheck.net/Intel-s-latest-discontinuation-notice-includes-some-8th-gen-Intel-core-i7-processors.467667.0.html