The new code for preferences management seems to have several issues. See: https://bugzilla.wikimedia.org/show_bug.cgi?id=19261 https://bugzilla.wikimedia.org/show_bug.cgi?id=19245
Another bug (the one cause of which I went to Bugzilla): The image size limit always gets reset to 320x240px cause the 'selected="selected"' misses (at least sometimes, I have not yet managed to recognize the pattern). Maybe other settings are affected too.
Perhaps the changes to the preferences interface should be reverted, cause this causes damage to the user's preferences. (Of course only if the bugs cannot be fixed quickly.)
Marcus Buck