+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.
+
+The following new LyX functions have been introduced:
+
+- LFUN_BRANCH_MASTER_ACTIVATE <branch>:
+ LFUN_BRANCH_MASTER_DEACTIVATE <branch>:
+ Activates or deactivates a branch in a master document from within
+ a child (as opposed to the existing LFUN_BRANCH_[DE]ACTIVATE, which
+ toggle the branch in the document itself).
+
+- LFUN_BUFFER_EXPORT_AS <format> <filename>
+ Equivalent to the new -export-to command-line switch (see above).
+
+- LFUN_CLIPBOARD_PASTE_SIMPLE ("clipboard-paste-simple")
+ Paste the clipboard contents as simple unformatted text.
+ This is also available through a new menu voice within the
+ [Edit]->[Paste Special...] sub-menu.
+
+- LFUN_VIEW_CLOSE
+ Close the current document view only, if there are no more views
+ on the document, either close or hide it (see the new preference
+ option \\close_buffer_with_last_view)
+
+The following LyX functions have been removed:
+
+//template, remove this entry later on
+- LFUN_NEXT_INSET_TOGGLE ("next-inset-toggle"): use "inset-toggle" instead.