diff --git a/uppsrc/Core/JSON.cpp b/uppsrc/Core/JSON.cpp
index f06f308f1..e18bdfd18 100644
--- a/uppsrc/Core/JSON.cpp
+++ b/uppsrc/Core/JSON.cpp
@@ -203,6 +203,18 @@ template<> void Jsonize(JsonIO& io, int& var)
 	}
 }
 
+template<> void Jsonize(JsonIO& io, byte& var)
+{
+	double v = var;
+	Jsonize(io, v);
+	if(io.IsLoading()) {
+		if(v >= 0 && v <= 255 && (int)v == v)
+			var = (byte)v;
+		else
+			throw JsonizeError("integer 0-255 expected");
+	}
+}
+
 template<> void Jsonize(JsonIO& io, int16& var)
 {
 	double v = var;
diff --git a/uppsrc/Core/JSON.h b/uppsrc/Core/JSON.h
index 767bfb283..de77de9e0 100644
--- a/uppsrc/Core/JSON.h
+++ b/uppsrc/Core/JSON.h
@@ -221,6 +221,7 @@ bool LoadFromJsonFile(T& var, const char *file = NULL)
 }
 
 template<> void Jsonize(JsonIO& io, int& var);
+template<> void Jsonize(JsonIO& io, byte& var);
 template<> void Jsonize(JsonIO& io, int16& var);
 template<> void Jsonize(JsonIO& io, int64& var);
 template<> void Jsonize(JsonIO& io, double& var);
diff --git a/uppsrc/Core/src.tpp/Jsonize_en-us.tpp b/uppsrc/Core/src.tpp/Jsonize_en-us.tpp
index 81ce6fa1c..4017c5d0d 100644
--- a/uppsrc/Core/src.tpp/Jsonize_en-us.tpp
+++ b/uppsrc/Core/src.tpp/Jsonize_en-us.tpp
@@ -134,6 +134,9 @@ returns false in case of error. If [%-*@3 file] is NULL, ConfigFile(GetExeTitle(
 [s3; &]
 [s5;:Jsonize`(JsonIO`&`,int`&`): [@(0.0.255) template]_<>_[@(0.0.255) void]_[* Jsonize]([_^JsonIO^ J
 sonIO][@(0.0.255) `&]_[*@3 io], [@(0.0.255) int`&]_[*@3 var])&]
+[s5;:Upp`:`:Jsonize`(Upp`:`:JsonIO`&`,Upp`:`:byte`&`): [@(0.0.255) template]_<>_[@(0.0.255) v
+oid]_[* Jsonize]([_^Upp`:`:JsonIO^ JsonIO][@(0.0.255) `&]_[*@3 io], [_^Upp`:`:byte^ byte][@(0.0.255) `&
+]_[*@3 var])&]
 [s5;:Jsonize`(JsonIO`&`,int16`&`): [@(0.0.255) template]_<>_[@(0.0.255) void]_[* Jsonize]([_^JsonIO^ J
 sonIO][@(0.0.255) `&]_[*@3 io], [_^int16^ int16][@(0.0.255) `&]_[*@3 var])&]
 [s5;:Jsonize`(JsonIO`&`,int64`&`): [@(0.0.255) template]_<>_[@(0.0.255) void]_[* Jsonize]([_^JsonIO^ J
@@ -167,6 +170,7 @@ which leads to somewhat unnatural results when key [%-*@4 K] is
 String or WString. [%-* StringMap ]alternative variant encodes 
 map as JSON object with keys equal to map keys.&]
 [s3;%% &]
+[s3;%% &]
 [s4;%% &]
 [s5;:JsonizeBySerialize`(JsonIO`&`,T`&`): [@(0.0.255) template]_<[@(0.0.255) class]_[*@4 T]>
 _[@(0.0.255) void]_[* JsonizeBySerialize]([_^JsonIO^ JsonIO][@(0.0.255) `&]_[*@3 jio], 
diff --git a/uppsrc/CtrlLib/ArrayCtrl.h b/uppsrc/CtrlLib/ArrayCtrl.h
index 4ed5148b9..e6a97e5b2 100644
--- a/uppsrc/CtrlLib/ArrayCtrl.h
+++ b/uppsrc/CtrlLib/ArrayCtrl.h
@@ -120,7 +120,7 @@ public:
 		Column();
 
 // deprecated (due to overloading issues)
-		Column& Ctrls(Callback1<One<Ctrl>&> factory); // deprecated
+		Column& Ctrls(Callback1<One<Ctrl>&> factory);
 		Column& Ctrls(void (*factory)(One<Ctrl>&)) { return Ctrls(Event<int, One<Ctrl>&>([=](int, One<Ctrl>& h) { factory(h); })); }
 		Column& Ctrls(Event<int, One<Ctrl>&> factory);
 		Column& Ctrls(void (*factory)(int, One<Ctrl>&)) { return Ctrls(Event<int, One<Ctrl>&>([=](int a, One<Ctrl>& b){ factory(a, b); })); }