In particular, we know that many users have auto-updates enabled but would prefer not to participate in Studies and that’s a reasonable preference,' he says – admitting that even he had this turned off. “It was great that we are able to use the Studies system, but it was also an imperfect tool that we pressed into service, and that had some undesirable side effects. “We need a mechanism to be able to quickly push updates to our users even when - especially when - everything else is down. Rescorla also acknowledges that the Studies mechanism wasn’t the best way to push emergency updates to users. “We’re still working out the details here, but at minimum we need to inventory everything of this nature.” “We should have a much better way of tracking the status of everything in Firefox that is a potential time bomb and making sure that we don’t find ourselves in a situation where one goes off unexpectedly,” he says. He says the firm will be running a formal post-mortem next week and will publish a list of changes it intends to make. Rescorla accepts Mozilla needs to adjust its processes so that this and similar incidents are less likely to happen - and that when they do happen, issues need to be easier to fix.

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