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We review progress in the global QCD analysis by the CTEQ-TEA group since thepublication of CT18 parton distribution functions (PDFs) in the proton.Specifically, we discuss comparisons of CT18 NNLO predictions with the LHC 13TeV measurements as well as with the FNAL SeaQuest and BNL STAR data on leptonpair production. The specialized CT18X PDFs approximating saturation effectsare compared with the CT18sx PDFs obtained using NLL/NLO small-$x$ resummation.Short summaries are presented for the special CT18 parton distributions withfitted charm and with lattice QCD inputs. A recent comparative analysis of theimpact of deuteron nuclear effects on the parton distributions by the CTEQ-JLaband CTEQ-TEA groups is summarized.

NNLO constraints on proton PDFs from the SeaQuest and STAR experiments and other developments in the CTEQ-TEA global analysis