In our 7.8 release (here) we made the following change, which limited pipeline report durations to a maximum of 1 year in scope.  

HOT-15688 Pipeline Report: The date range filter is restricted to a maximum of one year.

We modified the date range filter to allow a maximum duration of one year.

This change was implemented as a performance fail-safe as we had an instance of a larger company running an unusually large lifetime report, which caused our servers to stall (affecting performance system-wide).

We understand some clients desire to run reasonably sized reports of a larger span (such as 3 years), so we have undone this change, with an intent to address system performance failsafe methods in other ways down the line.

MAJOR FEATURES

As of 8/8/23, users can run pipeline reports with date ranges larger than 12 months again.