diff --git a/src/loc/lcl/chs/diagnosticMessages/diagnosticMessages.generated.json.lcl b/src/loc/lcl/chs/diagnosticMessages/diagnosticMessages.generated.json.lcl
index 2173c674607..8fa22a4584b 100644
--- a/src/loc/lcl/chs/diagnosticMessages/diagnosticMessages.generated.json.lcl
+++ b/src/loc/lcl/chs/diagnosticMessages/diagnosticMessages.generated.json.lcl
@@ -2094,29 +2094,20 @@
         </Str>
         <Disp Icon="Str" />
       </Item>
-      <Item ItemId=";An_index_signature_parameter_type_cannot_be_a_type_alias_Consider_writing_0_Colon_1_Colon_2_instead_1336" ItemType="0" PsrId="306" Leaf="true">
+      <Item ItemId=";An_index_signature_parameter_type_cannot_be_a_literal_type_or_generic_type_Consider_using_a_mapped_o_1337" ItemType="0" PsrId="306" Leaf="true">
         <Str Cat="Text">
-          <Val><![CDATA[An index signature parameter type cannot be a type alias. Consider writing '[{0}: {1}]5D;: {2}' instead.]]></Val>
+          <Val><![CDATA[An index signature parameter type cannot be a literal type or generic type. Consider using a mapped object type instead.]]></Val>
           <Tgt Cat="Text" Stat="Loc" Orig="New">
-            <Val><![CDATA[索引签名参数类型不能为类型别名。请考虑改为编写“[{0}: {1}]5D;:{2}”。]]></Val>
+            <Val><![CDATA[索引签名参数类型不能为文本类型或泛型类型。请考虑改用映射的对象类型。]]></Val>
           </Tgt>
         </Str>
         <Disp Icon="Str" />
       </Item>
-      <Item ItemId=";An_index_signature_parameter_type_cannot_be_a_union_type_Consider_using_a_mapped_object_type_instead_1337" ItemType="0" PsrId="306" Leaf="true">
+      <Item ItemId=";An_index_signature_parameter_type_must_be_string_number_symbol_or_a_template_literal_type_1268" ItemType="0" PsrId="306" Leaf="true">
         <Str Cat="Text">
-          <Val><![CDATA[An index signature parameter type cannot be a union type. Consider using a mapped object type instead.]]></Val>
+          <Val><![CDATA[An index signature parameter type must be 'string', 'number', 'symbol', or a template literal type.]]></Val>
           <Tgt Cat="Text" Stat="Loc" Orig="New">
-            <Val><![CDATA[索引签名参数类型不能为联合类型。请考虑改用映射的对象类型。]]></Val>
-          </Tgt>
-        </Str>
-        <Disp Icon="Str" />
-      </Item>
-      <Item ItemId=";An_index_signature_parameter_type_must_be_either_string_or_number_1023" ItemType="0" PsrId="306" Leaf="true">
-        <Str Cat="Text">
-          <Val><![CDATA[An index signature parameter type must be either 'string' or 'number'.]]></Val>
-          <Tgt Cat="Text" Stat="Loc" Orig="New">
-            <Val><![CDATA[索引签名参数类型必须为 "string" 或 "number"。]]></Val>
+            <Val><![CDATA[索引签名参数类型必须是 “string”、“number”、“symbol”或模板文本类型。]]></Val>
           </Tgt>
         </Str>
         <Disp Icon="Str" />
@@ -5175,6 +5166,15 @@
         </Str>
         <Disp Icon="Str" />
       </Item>
+      <Item ItemId=";Duplicate_index_signature_for_type_0_2374" ItemType="0" PsrId="306" Leaf="true">
+        <Str Cat="Text">
+          <Val><![CDATA[Duplicate index signature for type '{0}'.]]></Val>
+          <Tgt Cat="Text" Stat="Loc" Orig="New">
+            <Val><![CDATA[类型“{0}”的索引签名重复。]]></Val>
+          </Tgt>
+        </Str>
+        <Disp Icon="Str" />
+      </Item>
       <Item ItemId=";Duplicate_label_0_1114" ItemType="0" PsrId="306" Leaf="true">
         <Str Cat="Text">
           <Val><![CDATA[Duplicate label '{0}'.]]></Val>
@@ -5187,15 +5187,6 @@
         </Str>
         <Disp Icon="Str" />
       </Item>
-      <Item ItemId=";Duplicate_number_index_signature_2375" ItemType="0" PsrId="306" Leaf="true">
-        <Str Cat="Text">
-          <Val><![CDATA[Duplicate number index signature.]]></Val>
-          <Tgt Cat="Text" Stat="Loc" Orig="New">
-            <Val><![CDATA[数字索引签名重复。]]></Val>
-          </Tgt>
-        </Str>
-        <Disp Icon="Str" />
-      </Item>
       <Item ItemId=";Duplicate_property_0_2718" ItemType="0" PsrId="306" Leaf="true">
         <Str Cat="Text">
           <Val><![CDATA[Duplicate property '{0}'.]]></Val>
@@ -5205,15 +5196,6 @@
         </Str>
         <Disp Icon="Str" />
       </Item>
-      <Item ItemId=";Duplicate_string_index_signature_2374" ItemType="0" PsrId="306" Leaf="true">
-        <Str Cat="Text">
-          <Val><![CDATA[Duplicate string index signature.]]></Val>
-          <Tgt Cat="Text" Stat="Loc" Orig="New">
-            <Val><![CDATA[字符串索引签名重复。]]></Val>
-          </Tgt>
-        </Str>
-        <Disp Icon="Str" />
-      </Item>
       <Item ItemId=";Dynamic_import_cannot_have_type_arguments_1326" ItemType="0" PsrId="306" Leaf="true">
         <Str Cat="Text">
           <Val><![CDATA[Dynamic import cannot have type arguments.]]></Val>
@@ -7308,6 +7290,15 @@
         </Str>
         <Disp Icon="Str" />
       </Item>
+      <Item ItemId=";Index_signature_for_type_0_is_missing_in_type_1_2329" ItemType="0" PsrId="306" Leaf="true">
+        <Str Cat="Text">
+          <Val><![CDATA[Index signature for type '{0}' is missing in type '{1}'.]]></Val>
+          <Tgt Cat="Text" Stat="Loc" Orig="New">
+            <Val><![CDATA[类型“{1}”中缺少类型“{0}”的索引签名。]]></Val>
+          </Tgt>
+        </Str>
+        <Disp Icon="Str" />
+      </Item>
       <Item ItemId=";Index_signature_in_type_0_only_permits_reading_2542" ItemType="0" PsrId="306" Leaf="true">
         <Str Cat="Text">
           <Val><![CDATA[Index signature in type '{0}' only permits reading.]]></Val>
@@ -7317,24 +7308,6 @@
         </Str>
         <Disp Icon="Str" />
       </Item>
-      <Item ItemId=";Index_signature_is_missing_in_type_0_2329" ItemType="0" PsrId="306" Leaf="true">
-        <Str Cat="Text">
-          <Val><![CDATA[Index signature is missing in type '{0}'.]]></Val>
-          <Tgt Cat="Text" Stat="Loc" Orig="New">
-            <Val><![CDATA[类型“{0}”中缺少索引签名。]]></Val>
-          </Tgt>
-        </Str>
-        <Disp Icon="Str" />
-      </Item>
-      <Item ItemId=";Index_signatures_are_incompatible_2330" ItemType="0" PsrId="306" Leaf="true">
-        <Str Cat="Text">
-          <Val><![CDATA[Index signatures are incompatible.]]></Val>
-          <Tgt Cat="Text" Stat="Loc" Orig="New">
-            <Val><![CDATA[索引签名不兼容。]]></Val>
-          </Tgt>
-        </Str>
-        <Disp Icon="Str" />
-      </Item>
       <Item ItemId=";Individual_declarations_in_merged_declaration_0_must_be_all_exported_or_all_local_2395" ItemType="0" PsrId="306" Leaf="true">
         <Str Cat="Text">
           <Val><![CDATA[Individual declarations in merged declaration '{0}' must be all exported or all local.]]></Val>
@@ -8700,15 +8673,6 @@
         </Str>
         <Disp Icon="Str" />
       </Item>
-      <Item ItemId=";Numeric_index_type_0_is_not_assignable_to_string_index_type_1_2413" ItemType="0" PsrId="306" Leaf="true">
-        <Str Cat="Text">
-          <Val><![CDATA[Numeric index type '{0}' is not assignable to string index type '{1}'.]]></Val>
-          <Tgt Cat="Text" Stat="Loc" Orig="New">
-            <Val><![CDATA[数字索引类型“{0}”不能赋给字符串索引类型“{1}”。]]></Val>
-          </Tgt>
-        </Str>
-        <Disp Icon="Str" />
-      </Item>
       <Item ItemId=";Numeric_literals_with_absolute_values_equal_to_2_53_or_greater_are_too_large_to_be_represented_accur_80008" ItemType="0" PsrId="306" Leaf="true">
         <Str Cat="Text">
           <Val><![CDATA[Numeric literals with absolute values equal to 2^53 or greater are too large to be represented accurately as integers.]]></Val>
@@ -10290,20 +10254,11 @@
         </Str>
         <Disp Icon="Str" />
       </Item>
-      <Item ItemId=";Property_0_of_type_1_is_not_assignable_to_numeric_index_type_2_2412" ItemType="0" PsrId="306" Leaf="true">
+      <Item ItemId=";Property_0_of_type_1_is_not_assignable_to_2_index_type_3_2411" ItemType="0" PsrId="306" Leaf="true">
         <Str Cat="Text">
-          <Val><![CDATA[Property '{0}' of type '{1}' is not assignable to numeric index type '{2}'.]]></Val>
+          <Val><![CDATA[Property '{0}' of type '{1}' is not assignable to '{2}' index type '{3}'.]]></Val>
           <Tgt Cat="Text" Stat="Loc" Orig="New">
-            <Val><![CDATA[类型“{1}”的属性“{0}”不能赋给数值索引类型“{2}”。]]></Val>
-          </Tgt>
-        </Str>
-        <Disp Icon="Str" />
-      </Item>
-      <Item ItemId=";Property_0_of_type_1_is_not_assignable_to_string_index_type_2_2411" ItemType="0" PsrId="306" Leaf="true">
-        <Str Cat="Text">
-          <Val><![CDATA[Property '{0}' of type '{1}' is not assignable to string index type '{2}'.]]></Val>
-          <Tgt Cat="Text" Stat="Loc" Orig="New">
-            <Val><![CDATA[类型“{1}”的属性“{0}”不能赋给字符串索引类型“{2}”。]]></Val>
+            <Val><![CDATA[类型“{1}”的属性“{0}”不能赋给“{2}”索引类型“{3}”。]]></Val>
           </Tgt>
         </Str>
         <Disp Icon="Str" />
@@ -14946,6 +14901,15 @@
         </Str>
         <Disp Icon="Str" />
       </Item>
+      <Item ItemId=";_0_and_1_index_signatures_are_incompatible_2330" ItemType="0" PsrId="306" Leaf="true">
+        <Str Cat="Text">
+          <Val><![CDATA['{0}' and '{1}' index signatures are incompatible.]]></Val>
+          <Tgt Cat="Text" Stat="Loc" Orig="New">
+            <Val><![CDATA[“{0}”和“{1}”索引签名不兼容。]]></Val>
+          </Tgt>
+        </Str>
+        <Disp Icon="Str" />
+      </Item>
       <Item ItemId=";_0_and_1_operations_cannot_be_mixed_without_parentheses_5076" ItemType="0" PsrId="306" Leaf="true">
         <Str Cat="Text">
           <Val><![CDATA['{0}' and '{1}' operations cannot be mixed without parentheses.]]></Val>
@@ -15126,6 +15090,24 @@
         </Str>
         <Disp Icon="Str" />
       </Item>
+      <Item ItemId=";_0_index_signatures_are_incompatible_2634" ItemType="0" PsrId="306" Leaf="true">
+        <Str Cat="Text">
+          <Val><![CDATA['{0}' index signatures are incompatible.]]></Val>
+          <Tgt Cat="Text" Stat="Loc" Orig="New">
+            <Val><![CDATA[“{0}”索引签名不兼容。]]></Val>
+          </Tgt>
+        </Str>
+        <Disp Icon="Str" />
+      </Item>
+      <Item ItemId=";_0_index_type_1_is_not_assignable_to_2_index_type_3_2413" ItemType="0" PsrId="306" Leaf="true">
+        <Str Cat="Text">
+          <Val><![CDATA['{0}' index type '{1}' is not assignable to '{2}' index type '{3}'.]]></Val>
+          <Tgt Cat="Text" Stat="Loc" Orig="New">
+            <Val><![CDATA[“{0}”索引类型“{1}”不能分配给“{2}”索引类型“{3}”。]]></Val>
+          </Tgt>
+        </Str>
+        <Disp Icon="Str" />
+      </Item>
       <Item ItemId=";_0_is_a_primitive_but_1_is_a_wrapper_object_Prefer_using_0_when_possible_2692" ItemType="0" PsrId="306" Leaf="true">
         <Str Cat="Text">
           <Val><![CDATA['{0}' is a primitive, but '{1}' is a wrapper object. Prefer using '{0}' when possible.]]></Val>
@@ -15531,6 +15513,12 @@
         </Str>
         <Disp Icon="Str" />
       </Item>
+      <Item ItemId=";arguments_cannot_be_referenced_in_property_initializers_2815" ItemType="0" PsrId="306" Leaf="true">
+        <Str Cat="Text">
+          <Val><![CDATA['arguments' cannot be referenced in property initializers.]]></Val>
+        </Str>
+        <Disp Icon="Str" />
+      </Item>
       <Item ItemId=";await_expressions_are_only_allowed_at_the_top_level_of_a_file_when_that_file_is_a_module_but_this_fi_1375" ItemType="0" PsrId="306" Leaf="true">
         <Str Cat="Text">
           <Val><![CDATA['await' expressions are only allowed at the top level of a file when that file is a module, but this file has no imports or exports. Consider adding an empty 'export {}' to make this file a module.]]></Val>
diff --git a/src/loc/lcl/deu/diagnosticMessages/diagnosticMessages.generated.json.lcl b/src/loc/lcl/deu/diagnosticMessages/diagnosticMessages.generated.json.lcl
index c32b0892b0b..25a29ba3509 100644
--- a/src/loc/lcl/deu/diagnosticMessages/diagnosticMessages.generated.json.lcl
+++ b/src/loc/lcl/deu/diagnosticMessages/diagnosticMessages.generated.json.lcl
@@ -15507,6 +15507,15 @@
         </Str>
         <Disp Icon="Str" />
       </Item>
+      <Item ItemId=";arguments_cannot_be_referenced_in_property_initializers_2815" ItemType="0" PsrId="306" Leaf="true">
+        <Str Cat="Text">
+          <Val><![CDATA['arguments' cannot be referenced in property initializers.]]></Val>
+          <Tgt Cat="Text" Stat="Loc" Orig="New">
+            <Val><![CDATA[Auf "arguments" kann in Eigenschaftsinitialisierern nicht verwiesen werden.]]></Val>
+          </Tgt>
+        </Str>
+        <Disp Icon="Str" />
+      </Item>
       <Item ItemId=";await_expressions_are_only_allowed_at_the_top_level_of_a_file_when_that_file_is_a_module_but_this_fi_1375" ItemType="0" PsrId="306" Leaf="true">
         <Str Cat="Text">
           <Val><![CDATA['await' expressions are only allowed at the top level of a file when that file is a module, but this file has no imports or exports. Consider adding an empty 'export {}' to make this file a module.]]></Val>
diff --git a/src/loc/lcl/ita/diagnosticMessages/diagnosticMessages.generated.json.lcl b/src/loc/lcl/ita/diagnosticMessages/diagnosticMessages.generated.json.lcl
index 018ef89a0c2..c38478b8d2e 100644
--- a/src/loc/lcl/ita/diagnosticMessages/diagnosticMessages.generated.json.lcl
+++ b/src/loc/lcl/ita/diagnosticMessages/diagnosticMessages.generated.json.lcl
@@ -2097,12 +2097,18 @@
       <Item ItemId=";An_index_signature_parameter_type_cannot_be_a_literal_type_or_generic_type_Consider_using_a_mapped_o_1337" ItemType="0" PsrId="306" Leaf="true">
         <Str Cat="Text">
           <Val><![CDATA[An index signature parameter type cannot be a literal type or generic type. Consider using a mapped object type instead.]]></Val>
+          <Tgt Cat="Text" Stat="Loc" Orig="New">
+            <Val><![CDATA[Un tipo di parametro della firma dell'indice non può essere un tipo di valore letterale o un tipo generico. Considerare l'utilizzo di un tipo di oggetto con mapping.]]></Val>
+          </Tgt>
         </Str>
         <Disp Icon="Str" />
       </Item>
       <Item ItemId=";An_index_signature_parameter_type_must_be_string_number_symbol_or_a_template_literal_type_1268" ItemType="0" PsrId="306" Leaf="true">
         <Str Cat="Text">
           <Val><![CDATA[An index signature parameter type must be 'string', 'number', 'symbol', or a template literal type.]]></Val>
+          <Tgt Cat="Text" Stat="Loc" Orig="New">
+            <Val><![CDATA[Un tipo di parametro della firma dell'indice deve essere 'stringa', 'numero', 'simbolo' o un tipo di valore letterale del modello.]]></Val>
+          </Tgt>
         </Str>
         <Disp Icon="Str" />
       </Item>
@@ -5163,6 +5169,9 @@
       <Item ItemId=";Duplicate_index_signature_for_type_0_2374" ItemType="0" PsrId="306" Leaf="true">
         <Str Cat="Text">
           <Val><![CDATA[Duplicate index signature for type '{0}'.]]></Val>
+          <Tgt Cat="Text" Stat="Loc" Orig="New">
+            <Val><![CDATA[Firma dell'indice duplicata per il tipo '{0}'.]]></Val>
+          </Tgt>
         </Str>
         <Disp Icon="Str" />
       </Item>
@@ -7284,6 +7293,9 @@
       <Item ItemId=";Index_signature_for_type_0_is_missing_in_type_1_2329" ItemType="0" PsrId="306" Leaf="true">
         <Str Cat="Text">
           <Val><![CDATA[Index signature for type '{0}' is missing in type '{1}'.]]></Val>
+          <Tgt Cat="Text" Stat="Loc" Orig="New">
+            <Val><![CDATA[La firma dell'indice per il tipo '{0}' manca nel tipo '{1}'.]]></Val>
+          </Tgt>
         </Str>
         <Disp Icon="Str" />
       </Item>
@@ -10245,6 +10257,9 @@
       <Item ItemId=";Property_0_of_type_1_is_not_assignable_to_2_index_type_3_2411" ItemType="0" PsrId="306" Leaf="true">
         <Str Cat="Text">
           <Val><![CDATA[Property '{0}' of type '{1}' is not assignable to '{2}' index type '{3}'.]]></Val>
+          <Tgt Cat="Text" Stat="Loc" Orig="New">
+            <Val><![CDATA[La proprietà '{0}' del tipo '{1}' non è assegnabile al tipo di indice '{2}' '{3}'.]]></Val>
+          </Tgt>
         </Str>
         <Disp Icon="Str" />
       </Item>
@@ -14889,6 +14904,9 @@
       <Item ItemId=";_0_and_1_index_signatures_are_incompatible_2330" ItemType="0" PsrId="306" Leaf="true">
         <Str Cat="Text">
           <Val><![CDATA['{0}' and '{1}' index signatures are incompatible.]]></Val>
+          <Tgt Cat="Text" Stat="Loc" Orig="New">
+            <Val><![CDATA[Le firme dell'indice '{0}' e '{1}' non sono compatibili.]]></Val>
+          </Tgt>
         </Str>
         <Disp Icon="Str" />
       </Item>
@@ -15075,12 +15093,18 @@
       <Item ItemId=";_0_index_signatures_are_incompatible_2634" ItemType="0" PsrId="306" Leaf="true">
         <Str Cat="Text">
           <Val><![CDATA['{0}' index signatures are incompatible.]]></Val>
+          <Tgt Cat="Text" Stat="Loc" Orig="New">
+            <Val><![CDATA[Le firme dell'indice '{0}' non sono compatibili.]]></Val>
+          </Tgt>
         </Str>
         <Disp Icon="Str" />
       </Item>
       <Item ItemId=";_0_index_type_1_is_not_assignable_to_2_index_type_3_2413" ItemType="0" PsrId="306" Leaf="true">
         <Str Cat="Text">
           <Val><![CDATA['{0}' index type '{1}' is not assignable to '{2}' index type '{3}'.]]></Val>
+          <Tgt Cat="Text" Stat="Loc" Orig="New">
+            <Val><![CDATA[Il tipo di indice '{0}' '{1}' non è assegnabile al tipo di indice '{2}' '{3}'.]]></Val>
+          </Tgt>
         </Str>
         <Disp Icon="Str" />
       </Item>
diff --git a/src/loc/lcl/jpn/diagnosticMessages/diagnosticMessages.generated.json.lcl b/src/loc/lcl/jpn/diagnosticMessages/diagnosticMessages.generated.json.lcl
index 65b2a235fbe..c35c2fc4b3c 100644
--- a/src/loc/lcl/jpn/diagnosticMessages/diagnosticMessages.generated.json.lcl
+++ b/src/loc/lcl/jpn/diagnosticMessages/diagnosticMessages.generated.json.lcl
@@ -15513,6 +15513,15 @@
         </Str>
         <Disp Icon="Str" />
       </Item>
+      <Item ItemId=";arguments_cannot_be_referenced_in_property_initializers_2815" ItemType="0" PsrId="306" Leaf="true">
+        <Str Cat="Text">
+          <Val><![CDATA['arguments' cannot be referenced in property initializers.]]></Val>
+          <Tgt Cat="Text" Stat="Loc" Orig="New">
+            <Val><![CDATA[プロパティ初期化子で 'arguments' を参照することはできません。]]></Val>
+          </Tgt>
+        </Str>
+        <Disp Icon="Str" />
+      </Item>
       <Item ItemId=";await_expressions_are_only_allowed_at_the_top_level_of_a_file_when_that_file_is_a_module_but_this_fi_1375" ItemType="0" PsrId="306" Leaf="true">
         <Str Cat="Text">
           <Val><![CDATA['await' expressions are only allowed at the top level of a file when that file is a module, but this file has no imports or exports. Consider adding an empty 'export {}' to make this file a module.]]></Val>