Update to the latest stable release. The main changes since the previous stable version in Fedora (19.05.3) are:

• Corrected saving formatting styles in the config dialogue.
• Allow to change the title etc. font again.
• Correctly output uppercase greek letters in TeX.
• Re-enable the old-style ESC commands.
• An updated hungarian translation.
• The new maxima command cartesian_product_list is now known to the autocompletion.
• Better xim compatibility.
• Correctly save the autosave interval.
• A better logic for saving on exit if autosave is on and the file cannot be created.