• hooks: suppressRefError improvement (#1618) (59d3498)

• useMouseAndTouchTrackers: dependency array (#1612) (59246b6)

• hooks: return boolean for aria-selected (#1603) (ee2a828)

• highlightedIndex: do not highlight disabled items (#1601) (4bf894b)

• types: replace index with number (#1592) (74ce0f5)

• hooks: fix highlight on arrow key opening (#1591) (b7f6765)

• hooks: do not highlight disabled items on menu open (#1587) (87a8137)

• a11yStatus: pass correct dependency array (#1586) (57981b2)

• V9 (#1582) (5b0d503)

• Release Downshift v9.

Why: Release the changes in:

• https://github.com/downshift-js/downshift/pull/1580
• https://github.com/downshift-js/downshift/pull/1579
• https://github.com/downshift-js/downshift/pull/1583

Closes https://github.com/downshift-js/downshift/issues/1322. Closes https://github.com/downshift-js/downshift/issues/1244. Closes https://github.com/downshift-js/downshift/issues/1227 Closes https://github.com/downshift-js/downshift/issues/1225.

How: Merged the PRs in this branch.

Checklist:

• [x] Documentation
• [x] Tests
• [x] TypeScript Types
• [ ] Flow Types
• [x] Ready to be merged

• hooks: remove mouse and touch events on unmount (#1581) (7997f76)