* [#15339](http://bugzilla.scilab.org/show_bug.cgi?id=15339): `uigetfont()` returned garbage on user cancellation.
* [#15340](http://bugzilla.scilab.org/show_bug.cgi?id=15340): Scilab did not build against lucene 6.1.0.
* [#15342](http://bugzilla.scilab.org/show_bug.cgi?id=15342): `replot()` and `Reframe to contents` failed on graphics with xstring objects.
+* [#15347](http://bugzilla.scilab.org/show_bug.cgi?id=15347): `toeplitz` failed with rationals.
* [#15354](http://bugzilla.scilab.org/show_bug.cgi?id=15354): `invr(%s^2)` returned 0 instead of `1/%s^2`. For any scalar number, polynomial or rational `a`, `coffg(a)` returned `0` instead of `1`. `coffg([])` yielded an error. `invr` and `coffg` had no unitary tests. The `coffg` help page was inaccurate and unclear.
* [#15375](http://bugzilla.scilab.org/show_bug.cgi?id=15375): A .zcos file opened as a palette was greyed out.