-LyX 2.0 introduces support for some new external helper programs/libraries,
-while the support for some existing programs has been dropped. This
-particularly applies to spell checking and the thesaurus.
+- LyX links now against libmagic (http://www.darwinsys.com/file/) if it is
+ available at compile time. This improves the file format detection of
+ included graphics and other files. The old builtin format detection code
+ is used if libmagic is not available.