Migrating from Astro 5 to Astro 6: A Real-World Breakdown 📖

I have been meaning to upgrade my personal site to Astro 6 for a while. The release notes sat in my open tabs for weeks, and every time I sat down to do it, I found an excuse to work on something else. This week, I finally ran out of excuses. I carved out an afternoon, ran npx @astrojs/upgrade , crossed my fingers, and expected a smooth ride. The dev server crashed immediately with a cryptic error about a missing tailwindcss package. I stared at the error for a minute. Then I did what any reason