“…6. Timeline of planned and proposed near-and far-future instrumentation for high-energy nuclear physics, grouped into: the high-density frontier (green) with BESII [112], BM@N [113], MPD [114], LHCb fixed-target [94], NA62 [8], CEE [115], CBM [11], NA60+ [9], J-PARK-HI [12]; the high-energy frontier (red) with ALICE LS2 upgrades [96,97], sPHENIX [104], CMS LS3 upgrades [105] and ATLAS LS3 upgrades [106], ALICE ITS3 [111]; the small-x frontier (blue) with LHCb phase-1 upgrade [101], forward sPHENIX [80], forward STAR [81], FoCal [77], EIC [85]; the ultra-precision future (black): LHCb phase-2 upgrade [116], NGHI [117], FCC [5], SppS [118].…”