Release date: Oct 29, 2021 CMSSW_12_2_0_pre1 Changes since CMSSW_12_1_0_pre5: compare to previous CMSDIST Changes between Tags REL/CMSSW_12_1_0_pre5/slc7_amd64_gcc900 and REL/CMSSW_12_2_0_pre1/slc7_amd64_gcc900: compare to previous