- Filters:
- Newly available
- Widely available
- Limited availability
- One missing engine
- Discouraged
- All features
- Browser releases:
- Chrome 141
- Chrome Android 141
- Edge
- Firefox 143
- Firefox for Android 143
- Safari 26
- Safari on iOS 26
New features in Firefox 143 (released on 2025-09-16)
-
::details-content
Limited availabilityThe
::details-content
pseudo-element selects the expandable content of a<details>
element, excluding the<summary>
.Baseline availability blocked since September 2025 by Safari (1 months)
- Chrome 131 Released on 2024-11-12
- Chrome Android 131 Released on 2024-11-12
- Edge 131 Released on 2024-11-14
- Firefox 143 Released on 2025-09-16
- Firefox for Android 143 Released on 2025-09-16
- Safari ❌
- Safari on iOS ❌