Application and OS support

Application and OS support

Below please find an outline of the application and OS support for each b-ber Output format. The two output formats for the browser, the Reader and Web builds, are currently being pinned to last two browser versions and greater than 2% of global usage. In the future, this will be support will increase to greater than 1% of global usage.

Legend

• ✅ Full support
• ⚠️ Partial support
• 🚫 Not supported
• 🧪 Requires further testing

Output formats

EPUB

Application and OS	Version	Support	Notes
Books macOS	1.10+	✅
Books iOS	4.2.3+	✅
Marvin iOS	2.9.1+	✅
Google Play Books iOS		🧪
Google Play Books Android		🧪

Reader

Mobile

Application and OS	Versions	Support	Notes
Safari iOS	12.0+	✅
Chrome iOS	TK	✅
Chrome Android	75+	✅
UC Browser Android	12.12+	✅
Opera Mini	all	✅
Samsung Internet	9.2+	✅

Desktop

Application and OS	Versions	Support	Notes
Chrome macOS	74+	✅
Safari macOS	12.0+	✅
Firefox macOS	67+	⚠️	The break-before and break-after properties are not currently supported in Firefox.
Firefox Windows	TK	⚠️	The break-before and break-after properties are not currently supported in Firefox.
IE Windows	11+	🧪
Edge Windows	17+	🧪

Mobi

Application and OS	Versions	Support	Notes
Amazon Kindle macOS	1.26.1+	️⚠️	JavaScript is not fully supported by the Kindle application. Please see the Amazon Kindle Publishing Guidelines for more information.
Amazon Kindle iOS	6.21+	⚠️	JavaScript is not fully supported by the Kindle application. Please see the Amazon Kindle Publishing Guidelines for more information.
Amazon Kindle Android	Varies with device	🧪	JavaScript is not fully supported by the Kindle application. Please see the Amazon Kindle Publishing Guidelines for more information.
Amazon Kindle Paperwhite	2016+	⚠️	JavaScript is not fully supported by the Kindle application. Please see the Amazon Kindle Publishing Guidelines for more information.
Amazon Kindle Fire	2016+	🧪	JavaScript is not fully supported by the Kindle application. Please see the Amazon Kindle Publishing Guidelines for more information.

Web

Mobile

Application and OS	Versions	Support	Notes
Safari iOS	12.0+	✅
Chrome iOS	TK	✅
Chrome Android	75+	✅
UC Browser Android	12.12+	✅
Opera Mini	all	✅
Samsung Internet	9.2+	✅

Desktop

Application and OS	Versions	Support	Notes
Chrome macOS	74+	✅
Safari macOS	12.0+	✅
Firefox macOS	67+	✅
Firefox Windows	TK	🧪
IE Windows	11+	🧪
Edge Windows	17+	🧪

PDF

Platform	Versions	Support	Notes
Preview macOS	9.0	✅
Adobe Acrobat macOS	2019.012.20034	✅