about:support is partially broken in 7.0a3
"Graphics" and others are not visible, and
Troubleshoot data provider failed: graphics
TypeError: loseExt is null Troubleshoot.jsm:164
snapshot re[/gre/modules/Troubleshoot.jsm:164:9](/gre/modules/Troubleshoot.jsm:164:9)
onload chrome://global/content/aboutSupport.js:23:3
TypeError: invalid 'in' operand data aboutSupport.js:279:1