+
+The math editor has been mostly rewritten. This begun as a general
+cleanup, but it turns out that many new features happened in this
+process, among which:
+
+- many of the known bugs or annoyances in mathed have been fixed.
+
+- possibility to display all standard latex and amsmath symbols (and
+ also the \mathcal, \mathbb, and \mathfrak fonts)as long as the
+ relevant fonts have been made available to the X server
+
+- support for many amsmath features
+ Commands: xrightarrow, xleftarrow, substack, underset, dddot
+ over/under arrows (e.g. underleftarrow).
+ Environments: align, alignat, xalignat, xxalignat, multline, gather
+ split, gathered, aligned, cases, subarray, pmatrix, bmatrix, vmatrix,
+ Vmatrix
+
+- Preliminary support for xymatrix
+
+- Support for horizontal and vertical lines in arrays.
+
+- Improvements to the parser
+
+- Improvements to math text mode
+
+- (Better) support for nested macros
+
+- Enable size changes to arrays after creation (add/delete rows/columns)
+
+- Support for changing font or displaystyle on a selection
+
+- GUI support provided for many more features
+