For discussion on the framework comparison:
https://acode-browser.usatlas.bnl.gov/lxr/source/athena/PhysicsAnalysis/Algorithms/MuonAnalysisAlgorithms/Root/MuonIsolationAlg.cxx
Muons of the Zmumu sample that pass the CxAOD framework but not easyjet fail at line 61 of that file.
The remaining discrepancy for the Zee sample is solved (see line 39).
https://acode-browser.usatlas.bnl.gov/lxr/source/athena/PhysicsAnalysis/Algorithms/EgammaAnalysisAlgorithms/Root/EgammaIsGoodOQSelectionTool.cxx.
https://twiki.cern.ch/twiki/bin/view/AtlasProtected/EGammaIdentificationRun2#Removal_of_Electron_Photon_clust