Release Notes: Lots of new features, and fixes for a number of bugs that could cause segfaults when loading diagrams. Some of the new APIs are not finished (most notably the properties code), so if you are writing new objects for dia, it is probably best to ignore those APIs.
Release Notes: Fixes for problems with copying image and bezier objects, and a new (incomplete) CGM export filter.
Release Notes: Fixes for crashing bugs, a new maintainer, customizable sheets by editing XML files now, a new bezierline object, enhancements to the zoom and move tools, plugs for some memory leaks, and better integration with the GNOME file manager.
Release Notes: A new printing dialog with "Fit to page" and landscape printing, new circuit objects, bug fixes, and memory leak plugs.
Release Notes: Undo/Redo, printing support, the ability to create new objects in XML, an export to SVG feature, lots of new objects, use of g_module for dll loading, creaton of better EPS files, and lots of bugfixes.
Release Notes: Some i18n bugfixes.
Release Notes: Internationalization, preferences handling, image handling (requires imlib), new objects plus various new features, improvements and bugfixes.
Release Notes: Layer system, xml file format, ER-modeling objects, new uml and network objects, better properties dialogs, fixed postscript output, gtk 1.1.x features, align objects function, bugfixes, cleanups, and more.