Issue #3340712 by e0ipso, alexpott, larowlan, dww, _pratik_, catch, penyaskito, mherchel, pdureau, jonathanshaw, mglaman, idiaz.roncero, geek-merlin, ctrlADel, mrweiner, bnjmnm, longwave, guschilds, cosmicdreams, dreamleaf, ckrina, Gábor Hojtsy, lauriii, unstatu, markconroy, nod_: Add Single Directory Components as a new experimental module

Issue #3003150 by bnjmnm, oknate, seanB, hoebekewim, BR0kEN, a.hover, guschilds, phenaproxima, larowlan: Media library causes validation errors when it is used in a required field of a nested form

Issue #177124 by hgoto, roblav, mrfelton, AjitS, wturrell, lyricnz, ADLongwell, tim.plunkett, effulgentsia, sun, GoddamnNoise, Liam Morland, Xano, drumm, guschilds, cilefen: Form validation messages appear in incorrect order

Issue #2077387 by wadmiraal, guschilds: Fixed Taxonomy term is improperly deleted when only one of two parents is deleted.