diff --git a/msg/json/fa.json b/msg/json/fa.json
index 29048132b..301f11a5d 100644
--- a/msg/json/fa.json
+++ b/msg/json/fa.json
@@ -6,7 +6,8 @@
 			"Alirezaaa",
 			"Mehran",
 			"MohandesWiki",
-			"Dalba"
+			"Dalba",
+			"Hamisun"
 		]
 	},
 	"VARIABLES_DEFAULT_NAME": "مورد",
@@ -27,6 +28,8 @@
 	"DISABLE_BLOCK": "غیرفعال‌سازی بلوک",
 	"ENABLE_BLOCK": "فعال‌سازی بلوک",
 	"HELP": "راهنما",
+	"UNDO": "واگردانی",
+	"REDO": "واگردانی",
 	"CHAT": "با همکارتان با نوشتن در این کادر چت کنید!",
 	"AUTH": "لطفا این اپلیکیشن را ثبت کنید و آثارتان را فعال کنید تا ذخیره شود و اجازهٔ اشتراک‌گذاری توسط شما داده شود.",
 	"ME": "من",
diff --git a/msg/json/hu.json b/msg/json/hu.json
index 1f94407f0..2f1e38b4f 100644
--- a/msg/json/hu.json
+++ b/msg/json/hu.json
@@ -32,6 +32,8 @@
 	"DISABLE_BLOCK": "Blokk letiltása",
 	"ENABLE_BLOCK": "Blokk engedélyezése",
 	"HELP": "Súgó",
+	"UNDO": "Visszavonás",
+	"REDO": "Újra",
 	"CHAT": "Ebben a mezőben tudsz a közreműködőkkel beszélgetni!",
 	"AUTH": "Kérjük, engedélyezd az alkalmazásnak munkád elmentését és megosztását.",
 	"ME": "Én",
diff --git a/msg/json/is.json b/msg/json/is.json
index 57715ec0f..686749d55 100644
--- a/msg/json/is.json
+++ b/msg/json/is.json
@@ -4,7 +4,8 @@
 			"Jonbg",
 			"아라",
 			"Gaddi00",
-			"Sveinki"
+			"Sveinki",
+			"Sveinn í Felli"
 		]
 	},
 	"VARIABLES_DEFAULT_NAME": "atriði",
@@ -25,6 +26,8 @@
 	"DISABLE_BLOCK": "Óvirkja kubb",
 	"ENABLE_BLOCK": "Virkja kubb",
 	"HELP": "Hjálp",
+	"UNDO": "Afturkalla",
+	"REDO": "Endurtaka",
 	"CHAT": "Spjallaðu við félaga með því að skrifa í þennan reit!",
 	"AUTH": "Vinsamlegast heimilaðu þetta forrit svo að hægt sé að vista verk þitt og svo að þú megir deila því",
 	"ME": "Mig",
diff --git a/msg/json/qqq.json b/msg/json/qqq.json
index f744764b5..d8d1ab08b 100644
--- a/msg/json/qqq.json
+++ b/msg/json/qqq.json
@@ -100,7 +100,7 @@
 	"LOGIC_NEGATE_TOOLTIP": "tooltip - See [https://en.wikipedia.org/wiki/Logical_negation https://en.wikipedia.org/wiki/Logical_negation].",
 	"LOGIC_BOOLEAN_HELPURL": "url - Information about the logic values ''true'' and ''false''.  Consider using the translation of [https://en.wikipedia.org/wiki/Truth_value https://en.wikipedia.org/wiki/Truth_value] if it exists in your language.",
 	"LOGIC_BOOLEAN_TRUE": "block text - The word for the [https://en.wikipedia.org/wiki/Truth_value logical value] ''true''.",
-	"LOGIC_BOOLEAN_FALSE": "block text - The word for the [https://en.wikipedia.org/wiki/Truth_value logical value] ''false''.",
+	"LOGIC_BOOLEAN_FALSE": "block text - The word for the [https://en.wikipedia.org/wiki/Truth_value logical value] ''false''.\n{{Identical|False}}",
 	"LOGIC_BOOLEAN_TOOLTIP": "tooltip - Indicates that the block returns either of the two possible [https://en.wikipedia.org/wiki/Truth_value logical values].",
 	"LOGIC_NULL_HELPURL": "url - Provide a link to the translation of [https://en.wikipedia.org/wiki/Nullable_type https://en.wikipedia.org/wiki/Nullable_type], if it exists in your language; otherwise, do not worry about translating this advanced concept.",
 	"LOGIC_NULL": "block text - In computer languages, ''null'' is a special value that indicates that no value has been set.  You may use your language's word for 'nothing' or 'invalid'.",
diff --git a/msg/json/zh-hans.json b/msg/json/zh-hans.json
index 66d902404..4d346c204 100644
--- a/msg/json/zh-hans.json
+++ b/msg/json/zh-hans.json
@@ -7,7 +7,8 @@
 			"Qiyue2001",
 			"Xiaomingyan",
 			"Yfdyh000",
-			"아라"
+			"아라",
+			"Hudafu"
 		]
 	},
 	"VARIABLES_DEFAULT_NAME": "项目",
@@ -25,7 +26,7 @@
 	"COLLAPSE_ALL": "折叠块",
 	"EXPAND_BLOCK": "展开块",
 	"EXPAND_ALL": "展开块",
-	"DISABLE_BLOCK": "禁用块",
+	"DISABLE_BLOCK": "停用块",
 	"ENABLE_BLOCK": "启用块",
 	"HELP": "帮助",
 	"UNDO": "撤销",
@@ -91,11 +92,11 @@
 	"LOGIC_OPERATION_TOOLTIP_OR": "如果至少有一个输入结果为真，则返回真。",
 	"LOGIC_OPERATION_OR": "或",
 	"LOGIC_NEGATE_HELPURL": "https://zh.wikipedia.org/wiki/逻辑非",
-	"LOGIC_NEGATE_TITLE": "并非%1",
+	"LOGIC_NEGATE_TITLE": "非%1",
 	"LOGIC_NEGATE_TOOLTIP": "如果输入结果为假，则返回真；如果输入结果为真，则返回假。",
 	"LOGIC_BOOLEAN_TRUE": "真",
-	"LOGIC_BOOLEAN_FALSE": "错",
-	"LOGIC_BOOLEAN_TOOLTIP": "同时返回真或假。",
+	"LOGIC_BOOLEAN_FALSE": "假",
+	"LOGIC_BOOLEAN_TOOLTIP": "返回真或假。",
 	"LOGIC_NULL": "空",
 	"LOGIC_NULL_TOOLTIP": "返回空值。",
 	"LOGIC_TERNARY_HELPURL": "https://zh.wikipedia.org/wiki/条件运算符",
@@ -134,7 +135,7 @@
 	"MATH_IS_ODD": "是奇数",
 	"MATH_IS_PRIME": "是质数",
 	"MATH_IS_WHOLE": "为整数",
-	"MATH_IS_POSITIVE": "是正值",
+	"MATH_IS_POSITIVE": "为正",
 	"MATH_IS_NEGATIVE": "为负",
 	"MATH_IS_DIVISIBLE_BY": "可被整除",
 	"MATH_IS_TOOLTIP": "如果数字是偶数、奇数、非负整数、正数、负数或如果它可被某数字整除，则返回真或假。",