Issue #2843147 by Wim Leers, e0ipso, gabesullice, dagmar, xjm, effulgentsia, webchick, dww, Berdir, dawehner, colan, mgalalm, govind.maloo, das-peter, jludwig, ndobromirov, martin107, abhisekmazumdar, nuez, catch, amateescu, pwolanin, mallezie, borisson_, jibran, voleger, plach, GeduR, Grimreaper, apupiales, Sutharsan, RenatoG, michaellander, sergesemashko, dbt102, hampercm, dremy, rpayanm, chriscalip, tstoeckler, keopx, skyredwang, Spleshka, RajeevK, matthew.perry, kaysenlau, jazzdrive3, dsdeiz, ebeyrent, acbramley, deviantintegral, samuel.mortenson, DamienMcKenna, mohit_aghera, ibustos, dpolant, garphy: Add JSON:API to core as a stable module

Issue #2505283 by quietone, maxocub, Jo Fitzgerald, mikeryan, Pavan B S, penyaskito, chriscalip, phenaproxima: Handle import of private files

Issue #2746671 by Jo Fitzgerald, stella, andrewmacpherson, hussainweb, tom friedhof, chriscalip, mikeryan: CCK field data not available for D7 taxonomy term migrations

Revert "Issue #2746671 by Jo Fitzgerald, stella, andrewmacpherson, hussainweb, tom friedhof, chriscalip: CCK field data not available for D7 taxonomy term migrations"

This reverts commit 11cb2b73.

Issue #2746671 by Jo Fitzgerald, stella, andrewmacpherson, hussainweb, tom friedhof, chriscalip: CCK field data not available for D7 taxonomy term migrations

Issue #939462 by lauriii, Antti J. Salminen, NROTC_Webmaster, mbrett5062, tim.plunkett, tostinni, rteijeiro, dvessel, cilefen, barraponto, theapi, joelpittet, Xano, tuutti, drzraf, Fabianx, markcarver, xjm, catch, Cottser, sun, jenlampton, effulgentsia, davidhernandez, kscheirer, akalata, andypost, hass, rooby, jhodgdon, fubhy, becw, MXT, mlncn, lemunet, chriscalip, mike stewart, PavanL, kevinquillen, gleroux02: Specific preprocess functions for theme hook suggestions are not invoked

Issue #2167109 by Berdir, sun, alexpott, ACF, acrollet, adamdicarlo, Albert Volkman, andreiashu, andyceo, andypost, anenkov, aspilicious, barbun, beejeebus, boombatower, cam8001, chriscalip, chx, cosmicdreams, dagmar, damiankloip, dawehner, deviance, disasm, dixon_, dstol, ebrowet, Gábor Hojtsy, heyrocker, Hydra, ianthomas_uk, japicoder, jcisio, jibran, julien, justafish, jvns, KarenS, kbasarab, kim.pepper, larowlan, Lars Toomre, leschekfm, Letharion, LinL, lirantal, Lukas von Blarer, marcingy, Mike Wacker, mrf, mtift, mtunay, n3or, nadavoid, nick_schuch, Niklas Fiekas, ParisLiakos, pcambra, penyaskito, pfrenssen, plopesc, Pol, Rok Žlender, rvilar, swentel, tim.plunkett, tobiasb, tsvenson, typhonius, vasi1186, vijaycs85, wamilton, webchick, webflo, wizonesolutions, xjm, yched, YesCT, znerol: Remove Variable subsystem.

- Patch #1703164 by chriscalip, kbasarab, no_commit_credit, aspilicious: Fixed Convert book settings to the new configuration system.