Version 2.2.8 is a maintenance release; it fixes the conversion of numeric-looking element text, the rendering of array parameters, and the missing parentheses of functions in named groups.

Version 2.2.7 is a maintenance release; it fixes the missing descriptions of enumeration values.

Version 2.2.6 is a maintenance release; it fixes the missing namespace section in group pages.

Version 2.2.5 is a maintenance release; it fixes rendering of inner classes.

Version 2.2.4 is a maintenance release; it fixes the issue with AbstractDescriptionType having no inner elements.

Version 2.2.3 is a maintenance release; it fixes the noexceptexpression issue.

Version 2.2.2 is a maintenance release; it fixes the misssing Concepts index in the namespaces pages.

Version 2.2.1 is a maintenance release; it fixes the missing Functions in the Files sidebar.

Version 2.2.0 is a new release; it adds support for Doxygen 1.17 concepts.

Version 2.1.0 is a new release; it fixes several issues and adds support for C++20 concepts.