and you can find an overview of the new features here:
http://wiki.lyx.org/LyX/NewInLyX20
-Known issues with LyX 2.0 can be found at the following addresses:
-http://wiki.lyx.org/Devel/LyX20Road
-http://www.lyx.org/trac/wiki/BugTrackerHome
-
-
If you think you found a bug in LyX 2.0.0, either e-mail the LyX
developers' mailing list (lyx-devel at lists.lyx.org), or open a bug
report at http://www.lyx.org/trac/wiki/BugTrackerHome
are advised to provide automatic installation of thesaurus disctionaries
in the installation process (analoguous to the spellchecker installation).
+3.) Lilypond
+There is now direct support for Lilypond-book. Note that LyX requires at
+least version 2.14 for proper work.
+
Known issues in version 2.0.0
-----------------------------