diff --git a/src/loc/lcl/deu/diagnosticMessages/diagnosticMessages.generated.json.lcl b/src/loc/lcl/deu/diagnosticMessages/diagnosticMessages.generated.json.lcl
index c20900a5ab..6a88538b29 100644
--- a/src/loc/lcl/deu/diagnosticMessages/diagnosticMessages.generated.json.lcl
+++ b/src/loc/lcl/deu/diagnosticMessages/diagnosticMessages.generated.json.lcl
@@ -863,49 +863,55 @@
       </Item>
       <Item ItemId=";Add_0_to_existing_import_declaration_from_1_90015" ItemType="0" PsrId="306" Leaf="true">
         <Str Cat="Text">
-          <Val><![CDATA[Add '{0}' to existing import declaration from "{1}".]]></Val>
-          <Tgt Cat="Text" Stat="Loc" Orig="New">
+          <Val><![CDATA[Add '{0}' to existing import declaration from "{1}"]]></Val>
+          <Tgt Cat="Text" Stat="Update" Orig="New">
             <Val><![CDATA[Fügen Sie "{0}" zur vorhandenen Importdeklaration aus "{1}" hinzu.]]></Val>
           </Tgt>
           <Prev Cat="Text">
-            <Val><![CDATA[Add {0} to existing import declaration from {1}.]]></Val>
+            <Val><![CDATA[Add '{0}' to existing import declaration from "{1}".]]></Val>
           </Prev>
         </Str>
         <Disp Icon="Str" />
       </Item>
       <Item ItemId=";Add_index_signature_for_property_0_90017" ItemType="0" PsrId="306" Leaf="true">
         <Str Cat="Text">
-          <Val><![CDATA[Add index signature for property '{0}'.]]></Val>
-          <Tgt Cat="Text" Stat="Loc" Orig="New">
+          <Val><![CDATA[Add index signature for property '{0}']]></Val>
+          <Tgt Cat="Text" Stat="Update" Orig="New">
             <Val><![CDATA[Indexsignatur für die Eigenschaft "{0}" hinzufügen.]]></Val>
           </Tgt>
+          <Prev Cat="Text">
+            <Val><![CDATA[Add index signature for property '{0}'.]]></Val>
+          </Prev>
         </Str>
         <Disp Icon="Str" />
       </Item>
       <Item ItemId=";Add_missing_super_call_90001" ItemType="0" PsrId="306" Leaf="true">
         <Str Cat="Text">
-          <Val><![CDATA[Add missing 'super()' call.]]></Val>
-          <Tgt Cat="Text" Stat="Loc" Orig="New">
+          <Val><![CDATA[Add missing 'super()' call]]></Val>
+          <Tgt Cat="Text" Stat="Update" Orig="New">
             <Val><![CDATA[Fügen Sie den fehlenden super()-Aufruf hinzu.]]></Val>
           </Tgt>
+          <Prev Cat="Text">
+            <Val><![CDATA[Add missing 'super()' call.]]></Val>
+          </Prev>
         </Str>
         <Disp Icon="Str" />
       </Item>
       <Item ItemId=";Add_this_to_unresolved_variable_90008" ItemType="0" PsrId="306" Leaf="true">
         <Str Cat="Text">
-          <Val><![CDATA[Add 'this.' to unresolved variable.]]></Val>
-          <Tgt Cat="Text" Stat="Loc" Orig="New">
+          <Val><![CDATA[Add 'this.' to unresolved variable]]></Val>
+          <Tgt Cat="Text" Stat="Update" Orig="New">
             <Val><![CDATA[Der nicht aufgelösten Variablen "this." hinzufügen.]]></Val>
           </Tgt>
+          <Prev Cat="Text">
+            <Val><![CDATA[Add 'this.' to unresolved variable.]]></Val>
+          </Prev>
         </Str>
         <Disp Icon="Str" />
       </Item>
-      <Item ItemId=";Adding_a_tsconfig_json_file_will_help_organize_projects_that_contain_both_TypeScript_and_JavaScript__90009" ItemType="0" PsrId="306" Leaf="true">
+      <Item ItemId=";Adding_a_tsconfig_json_file_will_help_organize_projects_that_contain_both_TypeScript_and_JavaScript__5068" ItemType="0" PsrId="306" Leaf="true">
         <Str Cat="Text">
           <Val><![CDATA[Adding a tsconfig.json file will help organize projects that contain both TypeScript and JavaScript files. Learn more at https://aka.ms/tsconfig.]]></Val>
-          <Tgt Cat="Text" Stat="Loc" Orig="New">
-            <Val><![CDATA[Das Hinzufügen einer "tsconfig.json"-Datei erleichtert die Organisation von Projekten, die sowohl TypeScript- als auch JavaScript-Dateien enthalten. Weitere Informationen finden Sie unter https://aka.ms/tsconfig.]]></Val>
-          </Tgt>
         </Str>
         <Disp Icon="Str" />
       </Item>
@@ -1535,10 +1541,13 @@
       </Item>
       <Item ItemId=";Call_decorator_expression_90028" ItemType="0" PsrId="306" Leaf="true">
         <Str Cat="Text">
-          <Val><![CDATA[Call decorator expression.]]></Val>
-          <Tgt Cat="Text" Stat="Loc" Orig="New">
+          <Val><![CDATA[Call decorator expression]]></Val>
+          <Tgt Cat="Text" Stat="Update" Orig="New">
             <Val><![CDATA[Rufen Sie den Decoratorausdruck auf.]]></Val>
           </Tgt>
+          <Prev Cat="Text">
+            <Val><![CDATA[Call decorator expression.]]></Val>
+          </Prev>
         </Str>
         <Disp Icon="Str" />
       </Item>
@@ -1949,31 +1958,37 @@
       </Item>
       <Item ItemId=";Change_0_to_1_90014" ItemType="0" PsrId="306" Leaf="true">
         <Str Cat="Text">
-          <Val><![CDATA[Change '{0}' to '{1}'.]]></Val>
-          <Tgt Cat="Text" Stat="Loc" Orig="New">
+          <Val><![CDATA[Change '{0}' to '{1}']]></Val>
+          <Tgt Cat="Text" Stat="Update" Orig="New">
             <Val><![CDATA[Ändern Sie "{0}" in "{1}".]]></Val>
           </Tgt>
           <Prev Cat="Text">
-            <Val><![CDATA[Change {0} to {1}.]]></Val>
+            <Val><![CDATA[Change '{0}' to '{1}'.]]></Val>
           </Prev>
         </Str>
         <Disp Icon="Str" />
       </Item>
       <Item ItemId=";Change_extends_to_implements_90003" ItemType="0" PsrId="306" Leaf="true">
         <Str Cat="Text">
-          <Val><![CDATA[Change 'extends' to 'implements'.]]></Val>
+          <Val><![CDATA[Change 'extends' to 'implements']]></Val>
           <Tgt Cat="Text" Stat="Loc" Orig="New">
             <Val><![CDATA["extends" in "implements" ändern]]></Val>
           </Tgt>
+          <Prev Cat="Text">
+            <Val><![CDATA[Change 'extends' to 'implements'.]]></Val>
+          </Prev>
         </Str>
         <Disp Icon="Str" />
       </Item>
       <Item ItemId=";Change_spelling_to_0_90022" ItemType="0" PsrId="306" Leaf="true">
         <Str Cat="Text">
-          <Val><![CDATA[Change spelling to '{0}'.]]></Val>
-          <Tgt Cat="Text" Stat="Loc" Orig="New">
+          <Val><![CDATA[Change spelling to '{0}']]></Val>
+          <Tgt Cat="Text" Stat="Update" Orig="New">
             <Val><![CDATA[Ändern Sie die Schreibweise in "{0}".]]></Val>
           </Tgt>
+          <Prev Cat="Text">
+            <Val><![CDATA[Change spelling to '{0}'.]]></Val>
+          </Prev>
         </Str>
         <Disp Icon="Str" />
       </Item>
@@ -2345,37 +2360,49 @@
       </Item>
       <Item ItemId=";Declare_method_0_90023" ItemType="0" PsrId="306" Leaf="true">
         <Str Cat="Text">
-          <Val><![CDATA[Declare method '{0}'.]]></Val>
-          <Tgt Cat="Text" Stat="Loc" Orig="New">
+          <Val><![CDATA[Declare method '{0}']]></Val>
+          <Tgt Cat="Text" Stat="Update" Orig="New">
             <Val><![CDATA[Methode "{0}" deklarieren.]]></Val>
           </Tgt>
+          <Prev Cat="Text">
+            <Val><![CDATA[Declare method '{0}'.]]></Val>
+          </Prev>
         </Str>
         <Disp Icon="Str" />
       </Item>
       <Item ItemId=";Declare_property_0_90016" ItemType="0" PsrId="306" Leaf="true">
         <Str Cat="Text">
-          <Val><![CDATA[Declare property '{0}'.]]></Val>
-          <Tgt Cat="Text" Stat="Loc" Orig="New">
+          <Val><![CDATA[Declare property '{0}']]></Val>
+          <Tgt Cat="Text" Stat="Update" Orig="New">
             <Val><![CDATA[Eigenschaft "{0}" deklarieren.]]></Val>
           </Tgt>
+          <Prev Cat="Text">
+            <Val><![CDATA[Declare property '{0}'.]]></Val>
+          </Prev>
         </Str>
         <Disp Icon="Str" />
       </Item>
       <Item ItemId=";Declare_static_method_0_90024" ItemType="0" PsrId="306" Leaf="true">
         <Str Cat="Text">
-          <Val><![CDATA[Declare static method '{0}'.]]></Val>
-          <Tgt Cat="Text" Stat="Loc" Orig="New">
+          <Val><![CDATA[Declare static method '{0}']]></Val>
+          <Tgt Cat="Text" Stat="Update" Orig="New">
             <Val><![CDATA[Statische Methode "{0}" deklarieren.]]></Val>
           </Tgt>
+          <Prev Cat="Text">
+            <Val><![CDATA[Declare static method '{0}'.]]></Val>
+          </Prev>
         </Str>
         <Disp Icon="Str" />
       </Item>
       <Item ItemId=";Declare_static_property_0_90027" ItemType="0" PsrId="306" Leaf="true">
         <Str Cat="Text">
-          <Val><![CDATA[Declare static property '{0}'.]]></Val>
-          <Tgt Cat="Text" Stat="Loc" Orig="New">
+          <Val><![CDATA[Declare static property '{0}']]></Val>
+          <Tgt Cat="Text" Stat="Update" Orig="New">
             <Val><![CDATA[Deklarieren Sie die statische Eigenschaft "{0}".]]></Val>
           </Tgt>
+          <Prev Cat="Text">
+            <Val><![CDATA[Declare static property '{0}'.]]></Val>
+          </Prev>
         </Str>
         <Disp Icon="Str" />
       </Item>
@@ -2453,10 +2480,13 @@
       </Item>
       <Item ItemId=";Disable_checking_for_this_file_90018" ItemType="0" PsrId="306" Leaf="true">
         <Str Cat="Text">
-          <Val><![CDATA[Disable checking for this file.]]></Val>
-          <Tgt Cat="Text" Stat="Loc" Orig="New">
+          <Val><![CDATA[Disable checking for this file]]></Val>
+          <Tgt Cat="Text" Stat="Update" Orig="New">
             <Val><![CDATA[Überprüfung für diese Datei deaktivieren.]]></Val>
           </Tgt>
+          <Prev Cat="Text">
+            <Val><![CDATA[Disable checking for this file.]]></Val>
+          </Prev>
         </Str>
         <Disp Icon="Str" />
       </Item>
@@ -3722,28 +3752,37 @@
       </Item>
       <Item ItemId=";Ignore_this_error_message_90019" ItemType="0" PsrId="306" Leaf="true">
         <Str Cat="Text">
-          <Val><![CDATA[Ignore this error message.]]></Val>
-          <Tgt Cat="Text" Stat="Loc" Orig="New">
+          <Val><![CDATA[Ignore this error message]]></Val>
+          <Tgt Cat="Text" Stat="Update" Orig="New">
             <Val><![CDATA[Diese Fehlermeldung ignorieren.]]></Val>
           </Tgt>
+          <Prev Cat="Text">
+            <Val><![CDATA[Ignore this error message.]]></Val>
+          </Prev>
         </Str>
         <Disp Icon="Str" />
       </Item>
       <Item ItemId=";Implement_inherited_abstract_class_90007" ItemType="0" PsrId="306" Leaf="true">
         <Str Cat="Text">
-          <Val><![CDATA[Implement inherited abstract class.]]></Val>
+          <Val><![CDATA[Implement inherited abstract class]]></Val>
           <Tgt Cat="Text" Stat="Loc" Orig="New">
             <Val><![CDATA[Geerbte abstrakte Klasse implementieren]]></Val>
           </Tgt>
+          <Prev Cat="Text">
+            <Val><![CDATA[Implement inherited abstract class.]]></Val>
+          </Prev>
         </Str>
         <Disp Icon="Str" />
       </Item>
       <Item ItemId=";Implement_interface_0_90006" ItemType="0" PsrId="306" Leaf="true">
         <Str Cat="Text">
-          <Val><![CDATA[Implement interface '{0}'.]]></Val>
-          <Tgt Cat="Text" Stat="Loc" Orig="New">
+          <Val><![CDATA[Implement interface '{0}']]></Val>
+          <Tgt Cat="Text" Stat="Update" Orig="New">
             <Val><![CDATA[Schnittstelle "{0}" implementieren]]></Val>
           </Tgt>
+          <Prev Cat="Text">
+            <Val><![CDATA[Implement interface '{0}'.]]></Val>
+          </Prev>
         </Str>
         <Disp Icon="Str" />
       </Item>
@@ -3758,10 +3797,13 @@
       </Item>
       <Item ItemId=";Import_0_from_module_1_90013" ItemType="0" PsrId="306" Leaf="true">
         <Str Cat="Text">
-          <Val><![CDATA[Import '{0}' from module "{1}".]]></Val>
-          <Tgt Cat="Text" Stat="Loc" Orig="New">
+          <Val><![CDATA[Import '{0}' from module "{1}"]]></Val>
+          <Tgt Cat="Text" Stat="Update" Orig="New">
             <Val><![CDATA[Import von "{0}" aus Modul "{1}".]]></Val>
           </Tgt>
+          <Prev Cat="Text">
+            <Val><![CDATA[Import '{0}' from module "{1}".]]></Val>
+          </Prev>
         </Str>
         <Disp Icon="Str" />
       </Item>
@@ -3908,37 +3950,49 @@
       </Item>
       <Item ItemId=";Infer_parameter_types_from_usage_95012" ItemType="0" PsrId="306" Leaf="true">
         <Str Cat="Text">
-          <Val><![CDATA[Infer parameter types from usage.]]></Val>
-          <Tgt Cat="Text" Stat="Loc" Orig="New">
+          <Val><![CDATA[Infer parameter types from usage]]></Val>
+          <Tgt Cat="Text" Stat="Update" Orig="New">
             <Val><![CDATA[Leiten Sie Parametertypen aus der Nutzung ab.]]></Val>
           </Tgt>
+          <Prev Cat="Text">
+            <Val><![CDATA[Infer parameter types from usage.]]></Val>
+          </Prev>
         </Str>
         <Disp Icon="Str" />
       </Item>
       <Item ItemId=";Infer_type_of_0_from_usage_95011" ItemType="0" PsrId="306" Leaf="true">
         <Str Cat="Text">
-          <Val><![CDATA[Infer type of '{0}' from usage.]]></Val>
-          <Tgt Cat="Text" Stat="Loc" Orig="New">
+          <Val><![CDATA[Infer type of '{0}' from usage]]></Val>
+          <Tgt Cat="Text" Stat="Update" Orig="New">
             <Val><![CDATA[Leiten Sie den Typ von "{0}" aus der Nutzung ab.]]></Val>
           </Tgt>
+          <Prev Cat="Text">
+            <Val><![CDATA[Infer type of '{0}' from usage.]]></Val>
+          </Prev>
         </Str>
         <Disp Icon="Str" />
       </Item>
       <Item ItemId=";Initialize_property_0_in_the_constructor_90020" ItemType="0" PsrId="306" Leaf="true">
         <Str Cat="Text">
-          <Val><![CDATA[Initialize property '{0}' in the constructor.]]></Val>
-          <Tgt Cat="Text" Stat="Loc" Orig="New">
+          <Val><![CDATA[Initialize property '{0}' in the constructor]]></Val>
+          <Tgt Cat="Text" Stat="Update" Orig="New">
             <Val><![CDATA[Eigenschaft '{0}' im Konstruktor initialisieren.]]></Val>
           </Tgt>
+          <Prev Cat="Text">
+            <Val><![CDATA[Initialize property '{0}' in the constructor.]]></Val>
+          </Prev>
         </Str>
         <Disp Icon="Str" />
       </Item>
       <Item ItemId=";Initialize_static_property_0_90021" ItemType="0" PsrId="306" Leaf="true">
         <Str Cat="Text">
-          <Val><![CDATA[Initialize static property '{0}'.]]></Val>
-          <Tgt Cat="Text" Stat="Loc" Orig="New">
+          <Val><![CDATA[Initialize static property '{0}']]></Val>
+          <Tgt Cat="Text" Stat="Update" Orig="New">
             <Val><![CDATA[Statische Eigenschaft '{0}' initialisieren.]]></Val>
           </Tgt>
+          <Prev Cat="Text">
+            <Val><![CDATA[Initialize static property '{0}'.]]></Val>
+          </Prev>
         </Str>
         <Disp Icon="Str" />
       </Item>
@@ -4469,10 +4523,13 @@
       </Item>
       <Item ItemId=";Make_super_call_the_first_statement_in_the_constructor_90002" ItemType="0" PsrId="306" Leaf="true">
         <Str Cat="Text">
-          <Val><![CDATA[Make 'super()' call the first statement in the constructor.]]></Val>
-          <Tgt Cat="Text" Stat="Loc" Orig="New">
+          <Val><![CDATA[Make 'super()' call the first statement in the constructor]]></Val>
+          <Tgt Cat="Text" Stat="Update" Orig="New">
             <Val><![CDATA[Legen Sie den super()-Aufruf als erste Anweisung im Konstruktor fest.]]></Val>
           </Tgt>
+          <Prev Cat="Text">
+            <Val><![CDATA[Make 'super()' call the first statement in the constructor.]]></Val>
+          </Prev>
         </Str>
         <Disp Icon="Str" />
       </Item>
@@ -5381,10 +5438,13 @@
       </Item>
       <Item ItemId=";Prefix_0_with_an_underscore_90025" ItemType="0" PsrId="306" Leaf="true">
         <Str Cat="Text">
-          <Val><![CDATA[Prefix '{0}' with an underscore.]]></Val>
-          <Tgt Cat="Text" Stat="Loc" Orig="New">
+          <Val><![CDATA[Prefix '{0}' with an underscore]]></Val>
+          <Tgt Cat="Text" Stat="Update" Orig="New">
             <Val><![CDATA[Präfix "{0}" mit einem Unterstrich.]]></Val>
           </Tgt>
+          <Prev Cat="Text">
+            <Val><![CDATA[Prefix '{0}' with an underscore.]]></Val>
+          </Prev>
         </Str>
         <Disp Icon="Str" />
       </Item>
@@ -5834,10 +5894,13 @@
       </Item>
       <Item ItemId=";Remove_declaration_for_Colon_0_90004" ItemType="0" PsrId="306" Leaf="true">
         <Str Cat="Text">
-          <Val><![CDATA[Remove declaration for: '{0}'.]]></Val>
-          <Tgt Cat="Text" Stat="Loc" Orig="New">
+          <Val><![CDATA[Remove declaration for: '{0}']]></Val>
+          <Tgt Cat="Text" Stat="Update" Orig="New">
             <Val><![CDATA[Deklaration entfernen für: {0}]]></Val>
           </Tgt>
+          <Prev Cat="Text">
+            <Val><![CDATA[Remove declaration for: '{0}'.]]></Val>
+          </Prev>
         </Str>
         <Disp Icon="Str" />
       </Item>
@@ -6257,10 +6320,13 @@
       </Item>
       <Item ItemId=";Rewrite_as_the_indexed_access_type_0_90026" ItemType="0" PsrId="306" Leaf="true">
         <Str Cat="Text">
-          <Val><![CDATA[Rewrite as the indexed access type '{0}'.]]></Val>
-          <Tgt Cat="Text" Stat="Loc" Orig="New">
+          <Val><![CDATA[Rewrite as the indexed access type '{0}']]></Val>
+          <Tgt Cat="Text" Stat="Update" Orig="New">
             <Val><![CDATA[Als indizierten Zugriffstyp "{0}" neu schreiben.]]></Val>
           </Tgt>
+          <Prev Cat="Text">
+            <Val><![CDATA[Rewrite as the indexed access type '{0}'.]]></Val>
+          </Prev>
         </Str>
         <Disp Icon="Str" />
       </Item>
@@ -6372,12 +6438,9 @@
         </Str>
         <Disp Icon="Str" />
       </Item>
-      <Item ItemId=";Specify_ECMAScript_target_version_Colon_ES3_default_ES5_ES2015_ES2016_ES2017_or_ESNEXT_6015" ItemType="0" PsrId="306" Leaf="true">
+      <Item ItemId=";Specify_ECMAScript_target_version_Colon_ES3_default_ES5_ES2015_ES2016_ES2017_ES2018_or_ESNEXT_6015" ItemType="0" PsrId="306" Leaf="true">
         <Str Cat="Text">
-          <Val><![CDATA[Specify ECMAScript target version: 'ES3' (default), 'ES5', 'ES2015', 'ES2016', 'ES2017', or 'ESNEXT'.]]></Val>
-          <Tgt Cat="Text" Stat="Loc" Orig="New">
-            <Val><![CDATA[ECMAScript-Zielversion angeben: ES3 (Standard), ES5, ES2015, ES2016, ES2017 oder ESNEXT.]]></Val>
-          </Tgt>
+          <Val><![CDATA[Specify ECMAScript target version: 'ES3' (default), 'ES5', 'ES2015', 'ES2016', 'ES2017','ES2018' or 'ESNEXT'.]]></Val>
         </Str>
         <Disp Icon="Str" />
       </Item>
@@ -7329,12 +7392,9 @@
         </Str>
         <Disp Icon="Str" />
       </Item>
-      <Item ItemId=";Type_0_is_not_assignable_to_type_1_Two_different_types_with_this_name_exist_but_they_are_unrelated_90010" ItemType="0" PsrId="306" Leaf="true">
+      <Item ItemId=";Type_0_is_not_assignable_to_type_1_Two_different_types_with_this_name_exist_but_they_are_unrelated_2719" ItemType="0" PsrId="306" Leaf="true">
         <Str Cat="Text">
           <Val><![CDATA[Type '{0}' is not assignable to type '{1}'. Two different types with this name exist, but they are unrelated.]]></Val>
-          <Tgt Cat="Text" Stat="Loc" Orig="New">
-            <Val><![CDATA[Typ "{0}" kann nicht zu Typ "{1}" zugewiesen werden. Es sind zwei verschiedene Typen mit diesem Namen vorhanden, diese sind jedoch nicht verwandt.]]></Val>
-          </Tgt>
         </Str>
         <Disp Icon="Str" />
       </Item>