Issue #2942001 by dimitriskr, alexpott, gaurav.kapoor, smustgrave, andypost, almaudoh: Deprecate ThemeHandlerInterface::rebuildThemeData() and use extension.list.theme service instead

Issue #3113971 by Spokje, mondrake, acbramley, phenaproxima, andypost, murilohp, mpdonadio, ravi.shankar, pavnish, pifagor, vladbo, JeroenT, voleger, Taran2L: Replace REQUEST_TIME in services

Issue #3325557 by longwave, mondrake, kim.pepper: Enable more service autowiring by adding interface aliases to core modules

Issue #2932518 by kim.pepper, joachim, bradjones1, voleger, cliddell, gapple, Xano, andregp, andypost, neclimdul, rpayanm, Hardik_Patel_12, NWOM, smustgrave, dawehner, alexpott, daffie, larowlan, Berdir, mstrelan, xjm, dagmar: Deprecate watchdog_exception

Issue #3232095 by daffie, dww, longwave, andypost, catch, larowlan: [Symfony 6] Refactor the "update.root" service to return an object not a string

Issue #1538118 by dww, swentel, dawehner, pwolanin, sanduhrs, alexpott, ayushmishra206, Wim Leers, yogeshmpawar, mgifford, cilefen, David_Rothstein, drumm, larowlan, Heine, colan, tedbow, benjifisher, klausi, borisson_, quietone: Update status does not verify the identity or authenticity of the release history URL

Issue #3114785 by slootjes, longwave: [Symfony 5] Update deprecated short factory configurators in Yaml

Issue #2926068 by almaudoh, andypost, voleger, claudiu.cristea, Oleksiy, YurkinPark, yo30, alexpott, dawehner, Berdir: Deprecate system_rebuild_module_data() and remove usages in core

Issue #2042447 by David_Rothstein, joelpittet, stefan.r, SebCorbin, mpdonadio, steinmb, webchick, Cottser, miniwebs2, Vj, Gilbert Rehling, nuwe, yched, StuartJNCC, Fabianx, yktdan, herom: Install a module user interface does not install modules (or themes)

Issue #2367747 by Palashvijay4O, andypost, Alienpruts, Cottser, er.pushpinderrana, gaurav.pahuja, pfrenssen, rpayanm, vadim.hirbu: Remove usage of system_rebuild_theme_data()

Issue #1987888 by zengenuity, kim.pepper, disasm, vijaycs85, JB13, dawehner: Convert update_manual_status() to a new style controller.

Issue #2109035 by tim.plunkett, damiankloip, dawehner, chx: Make access checkers (much) easier to find.