Issue #3413126 by Wim Leers, phenaproxima: Add "maintain_index_table" to taxonomy_settings migration

Issue #2914251 by quietone, maxocub, masipila, larowlan: Move forum related logic from taxonomy migrations to new forum migrations

Issue #3209249 by quietone, smustgrave, bharath-kondeti, ankithashetty, KapilV, longwave, Spokje: Fix spelling for 29 migrate translation related words

Issue #3112452 by lalitware, guilhermevp, narendra.rajwar27, WagnerMelo, ravi.shankar, mradcliffe, adalbertov, himanshu_sindhwani, quondam, Vidushi Mehta, alexpott, longwave, anmolgoyal74: Fix indentation consistency in core's yaml files

Issue #3042533 by quietone, danflanagan8: D6 taxonomy term fields are not migrated with allowed vocabularies

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 #2936365 by quietone, mikelutz, heddn, larowlan, masipila, effulgentsia, maxocub, Gábor Hojtsy, webchick, phenaproxima, jhodgdon, catch: Migrate UI - allow modules to declare the state of their migrations

Revert "Issue #2979966 by quietone, PieterDC, masipila, heddn, Gábor Hojtsy: Migrate D7 i18n taxonomy term language"

This reverts commit 81543e17.

Issue #2979966 by quietone, PieterDC, masipila, heddn, Gábor Hojtsy: Migrate D7 i18n taxonomy term language

Issue #2859297 by quietone, masipila, jhodgdon, Gábor Hojtsy, heddn: Migrate taxonomy term references for D6 Node translations

Issue #2957381 by amateescu, GaëlG, alexpott, douggreen, jibran, catch: Data model problems with Vocabulary hierarchy

Issue #2975509 by quietone, masipila, gaydabura, jhodgdon, maxocub: Migrate D6 vocabulary language settings

Issue #2980996 by maxocub, masipila, mradcliffe, Gábor Hojtsy: Migrate Drupal 7 taxonomy term entity translations data to Drupal 8

Issue #2934799 by maxocub, Olarin, heddn, dww: d6_term_node_revision migration ignores a lot of items that it shouldn't

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

Issue #2711099 by heddn, Jo Fitzgerald, edysmp, edgewl2, alexpott, Charlotte17, mikeryan, masipila, quietone, maxocub, phenaproxima: Categorize migrations according to their type

Issue #2876085 by heddn, maxocub, phenaproxima, Jo Fitzgerald, vasi, quietone, yoroy, masipila, larowlan, neclimdul, krystalcode, catch: Before upgrading, audit for potential ID conflicts

Issue #2920598 by Jo Fitzgerald, quietone: Move d6_taxonomy_term_translation and test to content_translation

Issue #2917883 by quietone, TR, Jo Fitzgerald, masipila, phenaproxima: Rename 'migration_templates' directories in core modules to 'migrations'