diff --git a/picard/const/__init__.py b/picard/const/__init__.py
index bbea7551e..709834db9 100644
--- a/picard/const/__init__.py
+++ b/picard/const/__init__.py
@@ -78,6 +78,7 @@ from picard.const.attributes import MB_ATTRIBUTES
 RELEASE_FORMATS = {}
 RELEASE_PRIMARY_GROUPS = {}
 RELEASE_SECONDARY_GROUPS = {}
+RELEASE_STATUS = {}
 for k, v in MB_ATTRIBUTES.items():
     if k.startswith('DB:medium_format/name:'):
         RELEASE_FORMATS[v] = v
@@ -85,6 +86,8 @@ for k, v in MB_ATTRIBUTES.items():
         RELEASE_PRIMARY_GROUPS[v] = v
     elif k.startswith('DB:release_group_secondary_type/name:'):
         RELEASE_SECONDARY_GROUPS[v] = v
+    elif k.startswith('DB:release_status/name:'):
+        RELEASE_STATUS[v] = v
 
 # Release countries
 from picard.const.countries import RELEASE_COUNTRIES  # noqa: F401 # pylint: disable=unused-import
diff --git a/picard/const/attributes.py b/picard/const/attributes.py
index 4a4cc00e4..6eba5b89a 100644
--- a/picard/const/attributes.py
+++ b/picard/const/attributes.py
@@ -98,6 +98,7 @@ MB_ATTRIBUTES = {
     'DB:medium_format/name:080': 'VinylDisc (DVD side)',
     'DB:medium_format/name:081': 'VinylDisc (Vinyl side)',
     'DB:medium_format/name:082': 'VinylDisc (CD side)',
+    'DB:medium_format/name:083': 'Microcassette',
     'DB:release_group_primary_type/name:001': 'Album',
     'DB:release_group_primary_type/name:002': 'Single',
     'DB:release_group_primary_type/name:003': 'EP',
@@ -114,4 +115,8 @@ MB_ATTRIBUTES = {
     'DB:release_group_secondary_type/name:009': 'Mixtape/Street',
     'DB:release_group_secondary_type/name:010': 'Demo',
     'DB:release_group_secondary_type/name:011': 'Audio drama',
+    'DB:release_status/name:001': 'Official',
+    'DB:release_status/name:002': 'Promotion',
+    'DB:release_status/name:003': 'Bootleg',
+    'DB:release_status/name:004': 'Pseudo-Release',
 }
diff --git a/picard/ui/edittagdialog.py b/picard/ui/edittagdialog.py
index e0e116997..e3656f1b7 100644
--- a/picard/ui/edittagdialog.py
+++ b/picard/ui/edittagdialog.py
@@ -2,6 +2,7 @@
 #
 # Picard, the next-generation MusicBrainz tagger
 # Copyright (C) 2011 Michael Wiencek
+# Copyright (C) 2019 Philipp Wolfer
 #
 # This program is free software; you can redistribute it and/or
 # modify it under the terms of the GNU General Public License
@@ -22,12 +23,26 @@ from PyQt5 import (
     QtWidgets,
 )
 
+from picard.const import (
+    RELEASE_COUNTRIES,
+    RELEASE_FORMATS,
+    RELEASE_PRIMARY_GROUPS,
+    RELEASE_SECONDARY_GROUPS,
+    RELEASE_STATUS,
+)
 from picard.util.tags import TAG_NAMES
 
 from picard.ui import PicardDialog
 from picard.ui.ui_edittagdialog import Ui_EditTagDialog
 
 
+AUTOCOMPLETE_RELEASE_TYPES = [s.lower() for s
+                              in sorted(RELEASE_PRIMARY_GROUPS) + sorted(RELEASE_SECONDARY_GROUPS)]
+AUTOCOMPLETE_RELEASE_STATUS = sorted([s.lower() for s in RELEASE_STATUS])
+AUTOCOMPLETE_RELEASE_COUNTRIES = sorted(RELEASE_COUNTRIES, key=str.casefold)
+AUTOCOMPLETE_RELEASE_FORMATS = sorted(RELEASE_FORMATS, key=str.casefold)
+
+
 class TagEditorDelegate(QtWidgets.QItemDelegate):
 
     def createEditor(self, parent, option, index):
@@ -40,10 +55,26 @@ class TagEditorDelegate(QtWidgets.QItemDelegate):
             editor.setMinimumSize(QtCore.QSize(0, 80))
         else:
             editor = super().createEditor(parent, option, index)
+        completer = None
         if tag in ('date', 'originaldate'):
             editor.setPlaceholderText(_('YYYY-MM-DD'))
         elif tag == 'originalyear':
             editor.setPlaceholderText(_('YYYY'))
+        elif tag == 'releasetype':
+            completer = QtWidgets.QCompleter(AUTOCOMPLETE_RELEASE_TYPES, editor)
+        elif tag == 'releasestatus':
+            completer = QtWidgets.QCompleter(AUTOCOMPLETE_RELEASE_STATUS, editor)
+            completer.setModelSorting(QtWidgets.QCompleter.CaseInsensitivelySortedModel)
+        elif tag == 'releasecountry':
+            completer = QtWidgets.QCompleter(AUTOCOMPLETE_RELEASE_COUNTRIES, editor)
+            completer.setModelSorting(QtWidgets.QCompleter.CaseInsensitivelySortedModel)
+        elif tag == 'media':
+            completer = QtWidgets.QCompleter(AUTOCOMPLETE_RELEASE_FORMATS, editor)
+            completer.setModelSorting(QtWidgets.QCompleter.CaseInsensitivelySortedModel)
+        if editor and completer:
+            completer.setCompletionMode(QtWidgets.QCompleter.UnfilteredPopupCompletion)
+            completer.setCaseSensitivity(QtCore.Qt.CaseInsensitive)
+            editor.setCompleter(completer)
         return editor
 
     def get_tag_name(self, index):
diff --git a/setup.py b/setup.py
index 76623dd55..6b83dd4a3 100644
--- a/setup.py
+++ b/setup.py
@@ -572,6 +572,7 @@ class picard_update_constants(Command):
             'DB:medium_format/name',
             'DB:release_group_primary_type/name',
             'DB:release_group_secondary_type/name',
+            'DB:release_status/name',
         )
         with open(attributes_potfile, 'rb') as f:
             log.info('Parsing %s' % attributes_potfile)