Issue #3124762 by Spokje, dww, johnwebdev, paulocs, piyuesh23, Suresh Prabhu Parkala, Deepak Goyal, catch, larowlan, rpsu, xjm, andypost, alexpott, daffie, longwave, fgm, Wim Leers, anmolgoyal74: Add 'lifecycle' key to .info.yml files

Issue #3072702 by alexpott, Wim Leers, mikelutz, xjm, catch, Berdir, tedbow, webchick, shaal, Mixologic, heddn: Core extensions should not need to specify the new core_version_requirement in *.info.yml files so that 9.0.x can be installed

Issue #2798891 by ankitjain28may, trobey, TR: Define project dependencies in core module .info files

Issue #2796173 by tim.plunkett, samuel.mortenson, xjm, jibran, effulgentsia, dawehner, swentel, tedbow, phenaproxima, larowlan, yoroy, dsnopek, tacituseu, japerry, webchick, amateescu, aspilicious: Add experimental Field Layout module to allow entity view/form modes to switch between layouts