Last modified: 2014-02-12 23:53:55 UTC
Lots of people have complained that arrows do not appear on sections and thus sections cannot be opened. I finally replicated it on a Nokia E75-1 Series 60 3.2 Symbian OS/9.3 stock browser
The bug seems to occur when the DOMContentLoaded event is never fired. https://gerrit.wikimedia.org/r/28396 fixes it