Issue #2669074 by kim.pepper, Berdir, gaydabura, andypost, ravi.shankar, KapilV, Wim Leers, bradjones1, nickolaj, alexpott, mondrake, 20th, yogeshmpawar, gaurav.kapoor, voleger, Pavan B S, Neslee Canil Pinto, aerozeppelin, Cameron Tod, daffie, dhruveshdtripathi, abramm, Nono95230, s.messaris, Mile23, claudiu.cristea, larowlan, catch, jibran, SpadXIII: Convert file_create_url() & file_url_transform_relative() to service, deprecate it

Issue #3048498 by jonathan1055, Lendude, naveenvalecha, klausi, alexpott, Gábor Hojtsy: [≈Nov. 11] Fix Drupal.Commenting.Deprecated coding standard

Issue #2940038 by Sweetchuck, drunken monkey, rajeshwari10, borisson_: Use $this in @return PhpDoc comments instead of the name of the current class or interface

Issue #2901730 by mfernea, ankitjain28may, idebr: Fix 'Squiz.WhiteSpace.FunctionSpacing' coding standard

Issue #2652138 by phenaproxima, mondrake, nabiyllin, Gravypower, alexpott, Wim Leers, claudiu.cristea: Image styles do not play nicely with SVGs

Issue #2665992 by alexpott, klausi, heykarthikwithu, xjm, tstoeckler: @file is not required for classes, interfaces and traits

Issue #2479487 by claudiu.cristea, legolasbo, mondrake, yched, alexpott, jhedstrom, dawehner, Wim Leers: ImageStyles can be deleted while having dependent configuration

Issue #1494670 by Liam Morland, jhedstrom, Wim Leers, mfb: References to CSS, JS, and similar files should be root-relative URLs: avoids mixed content warnings & fewer bytes to send

Issue #1364670 by mondrake, mrfelton, dinarcon, das-peter, zuuperman, er.pushpinderrana, cchanana, drupaldrop, fietserwin: ImageStyle::transformDimensions unable to deal with all effects

Issue #2246647 by mpdonadio, cilefen, YesCT, tim.plunkett: Rename PluginBag to LazyPluginCollection.

Issue #2330899 by attiks, Jelle_S, fietserwin: Allow image effects to change the MIME type + extension, add a convert image effect.

Issue #2251223 by tim.plunkett: ConfigurableImageEffectInterface should use ConfigurablePluginInterface and PluginFormInterface.

Issue #1987712 by dawehner, claudiu.cristea, damiankloip, andypost: Convert file_download() to a new style controller.

Issue #1391694 by tim.plunkett, aspilicious, fago, pounard, plach, Crell, msonnabaum, tstoeckler: Use type-hinting for entity-parameters.