It might be helpful to direct people to the "Flight Hub" which seems updated and links to the blog posts. Since I found it indirectly from here, thought I would add here. Note: has seemingly every development path so use menu to jump to your builds.
https://learn.microsoft.com/en-us/windows-insider/flight-hub/
Every Insider build thread is pinned at the
top of this forum: https://answers.microsoft.com/en-us/insider/forum/all/latest-windows-insider-build-threadblog-links/198b7f50-d5cb-4bce-a86f-28fea6198c97