My Jenkins job is failing on missing c extensions. See https://jenkins.plone.org/job/plip-dx-siteroot/10/testReport/
Maybe @gforcada or @tisto know something about this?
I'm sure I didn't touch Products.DateRecurringIndex
https://jenkins.plone.org/job/plip-dx-siteroot/10/testReport/Products.DateRecurringIndex/tests/Startup/