diff --git a/toonz/sources/common/tfx/tfx.cpp b/toonz/sources/common/tfx/tfx.cpp
index 90a0f36..4b3a708 100644
--- a/toonz/sources/common/tfx/tfx.cpp
+++ b/toonz/sources/common/tfx/tfx.cpp
@@ -1002,7 +1002,10 @@ TFx *TFx::getLinkedFx() const {
 
 //--------------------------------------------------
 
-void TFx::setFxVersion(int v) { m_imp->m_attributes.setFxVersion(v); }
+void TFx::setFxVersion(int v) {
+  m_imp->m_attributes.setFxVersion(v);
+  onFxVersionSet();
+}
 
 //--------------------------------------------------
 
diff --git a/toonz/sources/include/tfx.h b/toonz/sources/include/tfx.h
index a462ead..78ac433 100644
--- a/toonz/sources/include/tfx.h
+++ b/toonz/sources/include/tfx.h
@@ -505,6 +505,7 @@ public:
 
   void setFxVersion(int);
   int getFxVersion() const;
+  virtual void onFxVersionSet() {}
 
 public:
   // Id-related functions
diff --git a/toonz/sources/toonzqt/fxsettings.cpp b/toonz/sources/toonzqt/fxsettings.cpp
index 40bc869..a0e1863 100644
--- a/toonz/sources/toonzqt/fxsettings.cpp
+++ b/toonz/sources/toonzqt/fxsettings.cpp
@@ -194,7 +194,10 @@ void ParamsPage::setPageField(TIStream &is, const TFxP &fx, bool isVertical) {
       is.matchEndTag();
       /*-- Layout設定名とFxParameterの名前が一致するものを取得 --*/
       TParamP param = fx->getParams()->getParam(name);
-      if (param) {
+      bool isHidden =
+          (param) ? fx->getParams()->getParamVar(name)->isHidden() : true;
+
+      if (param && !isHidden) {
         std::string paramName = fx->getFxType() + "." + name;
         QString str =
             QString::fromStdWString(TStringTable::translate(paramName));
@@ -315,6 +318,17 @@ void ParamsPage::setPageField(TIStream &is, const TFxP &fx, bool isVertical) {
             modeChanger = field;
             break;
           }
+          // modeChanger may be in another vbox in the page
+          if (!modeChanger) {
+            QList<ModeChangerParamField *> allModeChangers =
+                findChildren<ModeChangerParamField *>();
+            for (auto field : allModeChangers) {
+              if (field->getParamName().toStdString() == modeSensitiveStr) {
+                modeChanger = field;
+                break;
+              }
+            }
+          }
           assert(modeChanger);
           tmpWidget = new ModeSensitiveBox(this, modeChanger, modes);
         }
@@ -567,8 +581,7 @@ void ParamsPage::setFx(const TFxP &currentFx, const TFxP &actualFx, int frame) {
   for (int i = 0; i < (int)m_fields.size(); i++) {
     ParamField *field = m_fields[i];
     QString fieldName = field->getParamName();
-
-    TFxP fx = getCurrentFx(currentFx, actualFx->getFxId());
+    TFxP fx           = getCurrentFx(currentFx, actualFx->getFxId());
     assert(fx.getPointer());
     TParamP currentParam =
         currentFx->getParams()->getParam(fieldName.toStdString());
@@ -1096,6 +1109,8 @@ void ParamViewer::setFx(const TFxP &currentFx, const TFxP &actualFx, int frame,
   if (name == "macroFx") {
     TMacroFx *macroFx = dynamic_cast<TMacroFx *>(currentFx.getPointer());
     if (macroFx) name = macroFx->getMacroFxType();
+  } else {
+    name += std::to_string(actualFx->getFxVersion());
   }
 
   int currentIndex = -1;
diff --git a/toonz/sources/toonzqt/paramfield.cpp b/toonz/sources/toonzqt/paramfield.cpp
index e9b5e78..e3a1605 100644
--- a/toonz/sources/toonzqt/paramfield.cpp
+++ b/toonz/sources/toonzqt/paramfield.cpp
@@ -1320,7 +1320,7 @@ ModeSensitiveBox::ModeSensitiveBox(QWidget *parent, QCheckBox *checkBox)
 //-----------------------------------------------------------------------------
 
 void ModeSensitiveBox::onModeChanged(int modeValue) {
-  bool wasVisible = isVisible();
+  bool wasVisible = isVisibleTo(parentWidget());
   m_currentMode   = modeValue;
   if (wasVisible == m_modes.contains(modeValue)) return;
   setVisible(!wasVisible);