Tags give the ability to mark specific points in history as being important
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release/21.2.97.0ff324a08 · ·AthDerivation cache for several groups, some HION formats showing in red. 
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release/21.6.29ac4303fa · ·Following MR were used for this release: https://gitlab.cern.ch/atlas/athena/-/merge_requests/32972 https://gitlab.cern.ch/atlas/athena/-/merge_requests/32961 https://gitlab.cern.ch/atlas/athena/-/merge_requests/32944 https://gitlab.cern.ch/atlas/athena/-/merge_requests/32918 https://gitlab.cern.ch/atlas/athena/-/merge_requests/32907 https://gitlab.cern.ch/atlas/athena/-/merge_requests/32905 https://gitlab.cern.ch/atlas/athena/-/merge_requests/32903 https://gitlab.cern.ch/atlas/athena/-/merge_requests/32880 https://gitlab.cern.ch/atlas/athena/-/merge_requests/32876 
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release/21.6.281a6ccbf7 · ·new MRs: Adding helper for MadSpin on LHE stand-alone https://gitlab.cern.ch/atlas/athena/-/merge_requests/32513 Remove DCubeClient package https://gitlab.cern.ch/atlas/athena/-/merge_requests/32546 Update Sherpa to version 2.2.10 https://gitlab.cern.ch/atlas/athena/-/merge_requests/32762 
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release/21.9.63289ab68 · ·Candidate simulation release for first-round 21.9 Physics Validation, with updated HepMcParticleLink to avoid aliasing of eventIndex. 
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