ALICE LS3 upgrades and ALICE 3 For the LHC Run 4 starting in the year 2029: two upgrade projects are being undertaken in ALICE: A new Inner Tracking System (ITS3) A Forward Calorimeter: FoCal ALICE 3 is the next-generation heavy-ion experiment for Run 5 of the LHC and beyond. ITS 3 FOCAL ALICE 3