Get ready for Readium Dev Day 2027 in Bologna, Italy!
After a successful first edition of the Readium Dev Day in Prague, we're preparing our next event alongside the 2027 Digital Publishing Summit next June!
Latest
Release Note · Swift Toolkit Version 4.0.0-alpha.2
Release Note · Kotlin Toolkit Version 3.4.0
Powered by Readium · Muhammed Salah on building digital bridges between publishers and readers
Release Note · Swift Toolkit Version 4.0.0-alpha.1
Release Note · July 2026: New features in the TS Toolkit
Release Note · Swift Toolkit Version 3.11.0
Mobile
Release Note · Swift Toolkit Version 4.0.0-alpha.2
We are happy to announce the second alpha of the Readium Swift Toolkit 4.0. This pre-release brings support for EPUBs mixing reflowable text with full-bleed, fixed-layout pages, makes opening and streaming LCP publications much faster, and fixes a number of long-standing issues.
Release Note · Kotlin Toolkit Version 3.4.0
Release Note · Swift Toolkit Version 3.11.0
Release Note · Kotlin Toolkit Version 3.2.0
Release Note · Swift Toolkit Version 3.9.0
Release Note · Swift Toolkit Version 3.8.0
What's New in Readium Mobile? · Q4 2025
Videos
Powered by Readium · Muhammed Salah on building digital bridges between publishers and readers
A few weeks ago, we met with Muhammed Salah, Digital Products Manager at Samawy, to discuss the company's vision and ambitions. We focused on the way that Samawy channels Readium technologies in both their user-facing platform and their internal ebook production pipeline.
What's New in Readium Mobile? · Q4 2025
Powered by Readium · Robert Cartolano on advocating for interoperable standards in academic libraries
What's New in Readium Mobile? · Q3 2025
What's New in Readium Web? · Q3 2025
Powered by Readium · Jonathan Greenberg on open-access publishing and accessibility in academia
Formats & Expectations: EPUB, Web and Web Publications
Web
Release Note · July 2026: New features in the TS Toolkit
We are pleased to announce the implementation of the Decorator API in TS-Toolkit, along with Timeline support for HTML publications, tree-shakeable ESM-only builds, and a new Helpers package.
Support for RTL and CJK in Readium Web
Audiobooks support in Readium Web
Content Protection in Readium Web
Using custom fonts with Readium Web
What's New in Readium Web? · Q3 2025