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This preference turns on app.update.mode and allows automatic download and install to take place.

Possible values and their effects


ask the user what he wants to do when an update is available

true (default)

download and install updates automatically, possibly with a warning if incompatible extensions are installed (see app.update.mode)


First checked in

2005-06-28 by Ben Goodger

Has an effect in

  • Firefox
  • SeaMonkey

Related preferences