Base UI Disclosure and Tabs

Covered

• Accordion
• Collapsible
• Tabs

Routing cues

• "expand/collapse", "panel", "accordion value", "tab state", "activation", "transition" → this skill

Canonical references

• https://base-ui.com/react/components/accordion
• https://base-ui.com/react/components/collapsible
• https://base-ui.com/react/components/tabs

Maintenance

• Snapshot date: 2026-02-13
• Refresh cadence: quarterly
• Upstream changelog anchor: https://github.com/mui/base-ui/blob/master/CHANGELOG.md

References

• Disclosure/tab patterns