Sweeping !37306 from 21.0 to master. Improve message handling in FastCaloSim Extrapolator (!37544) · Merge requests · atlas / athena · GitLab

Atlas Nightlybuild requested to merge cherry-pick-4798d6ca9a9-master into master Oct 23, 2020

Improve message handling in FastCaloSim Extrapolator

See merge request !37306 (merged)