This document records all notable changes to Librarian.
+## 2.1 (2021-07-08)
+
+### Added
+- Basic document structure validation.
+- Support for headers inside quotes in epub.
+
+
+## 2.0 (2021-07-08)
+
+### Added
+- New Document API.
+- New EPUB builder.
+- New `librarian` entry point for converters.
+
+
## 1.15 (2021-03-02)
### Fixed