The plain-English version
Apple’s declarative interface framework for expressing views in terms of data and state.
Why it matters
It encourages a view to describe its current appearance while the framework handles updates.
Let’s make it click
A habit count changes and the corresponding label updates from the current state.
Vibe Bro’s heads-up
A view’s temporary state should not be mistaken for durable storage that survives reinstall or every process termination.
The docs behind it
Documentation links checked .
Editorial review · October 28, 2026
Supported: Apple's Observation session transcript supports state-driven UI updates and view-associated model lifetime. The entry's durable-storage caution is original guidance, not a persistence guarantee.