Extension Blocklisting:New Attribute Crashes Since Last Request

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Currently we use requests for extension blocklists to determine "Active Daily Users" ADU. This isn't an accurate name as ADU actually is just active installs.

Problem

We are working on pulling ADU into http://crash-stats.mozilla.com in order to give context to our crash trend reports. ADU is a shaky baseline for the following reasons

  • users may opt-out of submitting a crash and we have no way of knowing the opt-out rate
  • crashes are throttled so ADU to number of crashes have to be adjusted on a product/version basis

Proposed Change

If we added a new attribute to the blocklist request *Crashes Since Last Request* then we would have a more accurate baseline for looking at crash velocity and severity.

Work Required

TBD

Privacy

The #1 priority is user privacy and this does not trump our commitment to code quality.

It seems like this change would be compatible with the spirit of our current policy, but that a change needs to be made to "Blocklist Feature" where it lists the exact information sent.