Issue #3437178 by immaculatexavier, quietone, smustgrave, alexpott: Simplify getLegacyDrupalVersion()

Issue #3323990 by quietone, Akhil Babu, kevinquillen, benjifisher, mikelutz: Migrate Drupal reports wrong version of Drupal if pointed at a Drupal 9 or 10 database

Issue #2675006 by danflanagan8, robpowell, quietone: Write UnitTest for MigrationConfigurationTrait and fix Exception Handling

Issue #3189880 by mondrake, raman.b, Pooja Ganjage, daffie, Megha_kundar, dww, S_Bhandari: Use square brackets syntax in sql queries

Issue #2966856 by Gábor Hojtsy, quietone, alexpott, vuil, catch, heddn: Hide and disable Drupal Migrate Multilingual

Issue #2746541 by quietone, alexpott, maxocub, Wim Leers, mikelutz, jofitz, masipila, firewaller, Madhura BK, Gábor Hojtsy, catch, heddn, plach, hchonov: Migrate D6 and D7 node revision translations to D8

Issue #2679835 by quietone, Jo Fitzgerald, heddn, alexpott, phenaproxima, xjm, mikeryan: Improve exception handling in Migrate UI

Issue #2953360 by quietone, heddn, yogeshmpawar, phenaproxima, Gábor Hojtsy, maxocub, catch, alexpott, masipila: Experimental migrate_drupal_multilingual module

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

Issue #2940108 by yo30, quietone, maxocub: getLegacyDrupalVersion() returns string not int as documented

Issue #2682585 by heddn, dscl, hanoii, willwh, hussainweb: Rename MigrationCreationTrait as it no longer creates migrations - it configures them

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

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