Controls

Counter
User
Theme

Subscription Patterns

Full Store0

Re-renders on ANY change

counter: 0theme: lightuser: Alex
Counter Only0

Only when counter changes

0
User Only0

Only when user changes

Alexalex@example.com
Theme Only0

Only when theme changes

light
Computed0

Only when counter / 10 changes

0
Conditional0

Counter only when theme is dark

0
useStoreReducer0

Updates without re-rendering this component

Consumer0

Render-prop pattern

counter: 0theme: light

Nested Components

Each level subscribes independently

Level 1 (counter/in consumer)0
0
Level 2 (email)0
alex@example.com
Level 3 (theme)0
light