| Platform | Supported for editing | Supported for viewing |
| Windows | - Windows 7
- Windows 8, 8.1
- Windows 10
| - Windows 7
- Windows 8, 8.1
- Windows 10
|
| OSX | - Mac OS X Mountain Lion (10.8)
- Mac OS X Mavericks (10.9)
- Mac OS X Yosemite (10.10)
| - Mac OS X Mountain Lion (10.8)
- Mac OS X Mavericks (10.9)
- Mac OS X Yosemite (10.10)
|
| Android | Android 4.1 to 5.0 | Android 4.1 to 5.0 |
| iOS | iOS 4.3 to 8 | iOS 4.3 to 8 |
Supported browsers
| Browser | Supported for editing | Supported for viewing |
| Chrome | Chrome 47, 48 | Chrome 47, 48 |
| Firefox | Firefox 38, 39 | Firefox 37, 38, 39 |
| Safari | Safari 8 & 9 | Safari 8 |
| Microsoft | Edge, Internet Explorer 11 | Internet Explorer 10, 11 |
Chrome for Android
| Chrome 42 - 44 | Chrome 42 - 44 |
| Mobile Safari | 9537.53 - 600.1.4 | 9537.53 - 600.1.4 |
Avalon tries to work across as many browsers as possible. Avalon should be usable on any currently supported browser or operating system and does not require any particular environment or platform. During development Avalon is tested against these browsers:
- Safari (Desktop)
- Chrome (Desktop)
- Safari (most recent version of iOS)
- Chrome (most recent version of Android)