nglayout.debug.disable xul fastload

The preference nglayout.debug.disable_xul_fastload controls whether or not XUL fastload is used.

Never set nglayout.debug.disable_xul_fastload to true in a production environment; it exists solely to aid in debugging. In particular, add-ons should never change this preference.

  • Type:boolean
  • Default value:  false (true in debug builds)
  • Exists by default: yes
  • Application support:?
  • Status: Active
  • Introduction:?
  • Bugs:


false (default)
XUL fastload is used.
XUL fastload is disabled.