Topics include:

• What were the first feature/change ideas that got the wheels turning for Vue 3
• How Vue's underlying VNode data structure is changing and how that affects users who work directly with render functions
• How the h function works in Vue 3 and how it helps you write code that's more composable
• How many breaking changes are just removing deprecations vs. hard breaks and how a compatibility build is going to ease the upgrade process
• The new template compiler and how it will drastically increase performance
• What were the goals of the class-based component API and why was it cancelled?
• The new composition API and how it will help you write more reusable logic without the downsides of mixins or scoped slots
• A deep-dive into reactive vs. refs in the composition API
• How the composition API compares to hooks in React
• How provide/inject is being improved for Vue 3

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Links:

• Vue 3 source code on GitHub
• Vue RFCs
• Vue 3 Composition API