+-export-to <format> <dest> (-E <format> <dest>)
+
+ Allows one to perform a batch export of the LyX file that is opened
+ to the specified destination file <dest> and format <format>.
+ For example, to create a PDF of a LyX document, you can run:
+ lyx -export-to pdf /path/to/dest.pdf /path/to/source.lyx
+ See the manual page for details.
+ This functionality is also available via a new menu voice
+ Export->Export As..., that pops up a dialog allowing one to
+ choose the export format, as well as the destination pathname.
+ Also, it is available via the mini-buffer (or the -x switch)
+ through a proper new LFUN (see below).
+
+The Advanced Find and Replace feature now supports cancel of a long
+search operation by hitting the ESC key.
+
+The following pref variables were changed in 2.1:
+
+- \\close_buffer_with_last_view [yes|no|ask]
+ When user closes the last view on a document, close the document
+ as well ("yes"), or hide the document ("no"), or ask the user
+ ("ask").
+
+The following pref variables are obsoleted in 2.1:
+
+- \\default_language
+- \\default_papersize
+
+To set the default language and paper size for new documents, use the
+"Save As Document Defaults" button in Document > Settings.
+
+The support for ArmTeX (a special typesetting engine for Armenian) was removed.
+Writing text in Armenian is now possible in a native way using XeTeX.