According to Dan Garry, the Apps team is now sending sections=all
instead of sections=0 on recent iOS app requests. The result is that
apps will be underreported, since the existing implementation of the
pageview definition does not know this.[0]

I've filed a phabricator ticket,[1] but this is just a note to make
sure it's surfaced more widely - pageviews-based requests using the
"New" definition are not currently reliable for apps. This is the Nth
reminder to !analytics that if you're planning on (a) asking analytics
for data and (b) getting useful numbers, it's probably nice to tell
them about this sort of change /before/ you make it.

[0] https://github.com/wikimedia/analytics-refinery-source/blob/master/refinery-core/src/main/java/org/wikimedia/analytics/refinery/core/Pageview.java#L131
[1] https://phabricator.wikimedia.org/T93255

--
Oliver Keyes
Research Analyst
Wikimedia Foundation

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