Sweeping !40988 from 21.2 to master. Adding support for truth-label-based jet mass scale uncertainties (!41053) · Merge requests · atlas / athena · GitLab

Atlas Nightlybuild requested to merge cherry-pick-a712a6f7fdf-master into master Feb 25, 2021

Adding support for truth-label-based jet mass scale uncertainties

See merge request !40988 (merged)