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The format of the internal list of past reports (ReportArchive.nmis) has changed, and the first time you view the report archive for a particular report type that cache file will be converted and the operation will take a little bit longer than usual. It is recommended that you perform this view before your cron scripts create new report archives - you will likely have to shift-reload the archive view page once as it'll falsely report 'no existing reports' otherwise.
The cron scripts bin/opReports-weekly.sh and bin/opReports-daily.sh have been updated to create archival reports in both CSV and HTML format. You may need to adjust your own cron scripts in a similar fashion if you don't use the ones opReports ships with.
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