I had a conversation on HN w/ a MS engineer last week about the System.Numerics improvements:

https://news.ycombinator.com/item?id=34793453

This stuff is super exciting to me. I've been using the SIMD-accelerated numerics for a side-project.

.NET8 is also an LTS version, so we are going to be upgrading to this for our B2B product sometime this year or early next. We had to skip over 7 due to our constraints, so we will be going from 6=>8.