I don't recall them advertising Thunderbolt compatibility, it was always an unadvertised feature. The blog post made it clear they're shipping all the Thunderb

I don't recall them advertising Thunderbolt compatibility, it was always an unadvertised feature. The blog post made it clear they're shipping all the Thunderbolt firmware improvements to the 11th gen as well, it's just minor hardware differences that are blocking a few test cases and official certification. It sounds like you can enable Thunderbolt relatively easily if you're okay with that caveat.