Expand todo

Author: JoviDeCroock

TODO.md

@@ -2,3 +2,11 @@
 - https://github.com/preactjs/preact/pull/4358
 - https://github.com/preactjs/preact/pull/4361
 - https://github.com/preactjs/preact/pull/4460
+- https://github.com/preactjs/preact/pull/4453
+- Backing VNodes
+- Separate mount/update paths
+- Rethink TypeScript types
+- Put createPortal into core
+- Implement hydration 2.0
+- Think about primitives when it comes to streaming
+  - i.e. Streamed boundary loads faster on client than it streams in from server