Issue #3112295 by mondrake, Taran2L, acbramley, cliddell, mpdonadio, smustgrave, Hardik_Patel_12, AkashKumar07, ravi.shankar, alexpott, andypost, daffie, JeroenT, vladbo, pifagor, voleger: Replace REQUEST_TIME in rest of OO code (except for tests)

Issue #3259712 by quietone, smustgrave, joachim: Add migration plugin ID to Migrate Drupal UI's log messages

Issue #2937515 by Spokje, quietone, idebr, longwave, SherFengChong, anweshasinha, borisson_, mfernea, xjm, bbrala, daffie, Berdir: Fix Drupal.Array.Array.[ArrayClosingIndentation, ArrayIndentation] coding standard

Issue #2925899 by quietone, Wim Leers, ravi.shankar, vsujeetkumar, benjifisher, alexpott, mikelutz, larowlan, mpp: MigrateUpgradeImportBatch does not use source_private_file_path & source_base_path correctly, making it impossible to have public & private files in separate locations

Revert "Issue #3112295 by mpdonadio, Hardik_Patel_12, daffie, JeroenT, Vlad Bo, pifagor, voleger, alexpott: Replace REQUEST_TIME in OO code w/o access to the container"

This reverts commit d23b4cc8.

Issue #3112295 by mpdonadio, Hardik_Patel_12, daffie, JeroenT, Vlad Bo, pifagor, voleger, alexpott: Replace REQUEST_TIME in OO code w/o access to the container

Issue #2935256 by Jo Fitzgerald, voleger, kim.pepper, ibustos, Yogesh Pawar, catch, jibran: Remove all usages of drupal_get_message and drupal_set_message in modules

Issue #2912348 by maxocub, Jo Fitzgerald, masipila, heddn, phenaproxima: Handle entity_references related to Drupal 6 and 7 node translations with different IDs

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

Issue #2687851 by quietone, mikeryan, heddn, xjm, catch: Refactor run() method on Migrate UI batch and remove the $operation parameter

Issue #2690389 by reszli, mikeryan, Gábor Hojtsy, juancasantito, zsofi.major, edgewl2, alexpott, jlbellido, penyaskito: Fix string translation in MigrateUpgradeRunBatch

Issue #2695297 by mikeryan, ohthehugemanatee, quietone, vasi, Sharique, chx, benjy, phenaproxima, heddn, benjifisher: Refactor EntityFile and use process plugins instead

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

Issue #2683421 by xjm, alexpott, hussainweb: Remove incremental and rollback options from the UI (and add them back when they are more stable)

Issue #2676222 by alexpott, johnrosswvsu: Move MigrationInterface out of the migrate\Entity namspace now they are plugins

Issue #2625696 by chx, benjy, alexpott, catch, mikeryan, andypost, phenaproxima: Make migrations themselves plugins instead of config entities

Issue #2281691 by xjm, mikeryan, Gábor Hojtsy, alexpott, tim.plunkett, webchick, abhishek-anand, quietone, yoroy, stevepurkiss, benjy, Bojhan, Ryan Weal, aleksip, anavarre, hussainweb, er.pushpinderrana, cilefen, Luukyb, Jo Fitzgerald: User interface for migration-based upgrades