What's the Difference Between Vue2 and Vue3?

I've been happily using Vue 2 for years. The ecosystem is thriving and it's simple to use - so why upgrade? This weekend, I decided to find out and make a video about my discoveries.

Vue 3 Docs: vuejs.org/guide/introduction.html
Migration guide: v3-migration.vuejs.org/recommendations.html
Pinia: pinia.vuejs.org/
Big Machine: bigmachine.io/