Extension:E3 Experiments

The E3 Experiments extension provides a scaffold for members of the Editor engagement experiments team to use when deploying simple experiments.

Recent changes
https://gerrit.wikimedia.org/r/gitweb?p=mediawiki/extensions/E3Experiments.git&a=rss

Installation
You also need to install:
 * Extension:EventLogging which logs the acceptance and completion of open tasks.
 * Extension:ClickTracking for Account creation user experience experiment (which in turn requires Extension:UserDailyContribs)
 * Extension:Vector which provides the "Exclude me from feature experiments" user preference under "Appearance"