Latest News

• 2026-04-24 — Expat 2.8.0 has been released, includes security fixes
• 2026-03-17 — Expat 2.7.5 has been released, includes security fixes
• 2026-01-31 — Expat 2.7.4 has been released, includes security fixes
• 2025-09-24 — Expat 2.7.3 has been released, includes security fixes
• 2025-09-16 — Expat 2.7.2 has been released, includes security fixes
• Past news entries

What is Expat?

Welcome to Expat, a stream-oriented XML parser library written in C.
Expat excels with files too large to fit RAM, and where performance and flexibility are crucial.

There are a number of applications, libraries and hardware using Expat, as well as bindings and 3rd-party wrappers. Expat is packaged everywhere.

Please continue reading with:

• Getting Started
• XML Security
• Common Pitfalls

If you have found a bug, please report it so it gets fixed. Thank you!

The Expat development team