diff --git a/platform/editor-ui-api/src/com/intellij/ide/ui/UISettings.kt b/platform/editor-ui-api/src/com/intellij/ide/ui/UISettings.kt
index 76e70201b5e4..adb1a28a6a8c 100644
--- a/platform/editor-ui-api/src/com/intellij/ide/ui/UISettings.kt
+++ b/platform/editor-ui-api/src/com/intellij/ide/ui/UISettings.kt
@@ -475,14 +475,19 @@ class UISettings @NonInjectable constructor(private val notRoamableOptions: NotR
     val shadowInstance: UISettings
       get() = instanceOrNull ?: UISettings(NotRoamableUiSettings())
 
-    @JvmField
-    val FORCE_USE_FRACTIONAL_METRICS = SystemProperties.getBooleanProperty("idea.force.use.fractional.metrics", SystemInfo.isMacOSCatalina)
+    @JvmStatic
+    val PREFERRED_FRACTIONAL_METRICS_VALUE: Any
+      get() {
+        return if (!Registry.`is`("ide.disable.fractionalMetrics", false)
+                   && SystemProperties.getBooleanProperty("idea.force.use.fractional.metrics", SystemInfo.isMacOSCatalina))
+          RenderingHints.VALUE_FRACTIONALMETRICS_ON
+        else
+          RenderingHints.VALUE_FRACTIONALMETRICS_OFF
+      }
 
     @JvmStatic
     fun setupFractionalMetrics(g2d: Graphics2D) {
-      if (FORCE_USE_FRACTIONAL_METRICS) {
-        g2d.setRenderingHint(RenderingHints.KEY_FRACTIONALMETRICS, RenderingHints.VALUE_FRACTIONALMETRICS_ON)
-      }
+      g2d.setRenderingHint(RenderingHints.KEY_FRACTIONALMETRICS, PREFERRED_FRACTIONAL_METRICS_VALUE)
     }
 
     /**
diff --git a/platform/lang-impl/src/com/intellij/refactoring/suggested/SignatureChangePresentation.kt b/platform/lang-impl/src/com/intellij/refactoring/suggested/SignatureChangePresentation.kt
index 9fdad7fb7f38..8547f4d0441f 100644
--- a/platform/lang-impl/src/com/intellij/refactoring/suggested/SignatureChangePresentation.kt
+++ b/platform/lang-impl/src/com/intellij/refactoring/suggested/SignatureChangePresentation.kt
@@ -33,7 +33,7 @@ class SignatureChangePresentation(
   private val dummyFontRenderContext = FontRenderContext(
     AffineTransform(),
     AntialiasingType.getKeyForCurrentScope(false),
-    if (UISettings.FORCE_USE_FRACTIONAL_METRICS) RenderingHints.VALUE_FRACTIONALMETRICS_ON else RenderingHints.VALUE_FRACTIONALMETRICS_OFF
+    UISettings.PREFERRED_FRACTIONAL_METRICS_VALUE
   )
 
   val requiredSize by lazy {
diff --git a/platform/platform-impl/src/com/intellij/ide/ui/laf/LafManagerImpl.java b/platform/platform-impl/src/com/intellij/ide/ui/laf/LafManagerImpl.java
index bf7f0907ed4d..577e52abd53e 100644
--- a/platform/platform-impl/src/com/intellij/ide/ui/laf/LafManagerImpl.java
+++ b/platform/platform-impl/src/com/intellij/ide/ui/laf/LafManagerImpl.java
@@ -600,10 +600,7 @@ public final class LafManagerImpl extends LafManager implements PersistentStateC
 
     uiDefaults.put(RenderingHints.KEY_TEXT_ANTIALIASING, AntialiasingType.getKeyForCurrentScope(false));
     uiDefaults.put(RenderingHints.KEY_TEXT_LCD_CONTRAST, UIUtil.getLcdContrastValue());
-    uiDefaults.put(RenderingHints.KEY_FRACTIONALMETRICS,
-                   UISettings.FORCE_USE_FRACTIONAL_METRICS
-                   ? RenderingHints.VALUE_FRACTIONALMETRICS_ON
-                   : RenderingHints.VALUE_FRACTIONALMETRICS_OFF);
+    uiDefaults.put(RenderingHints.KEY_FRACTIONALMETRICS, UISettings.getPREFERRED_FRACTIONAL_METRICS_VALUE());
 
     for (Frame frame : Frame.getFrames()) {
       updateUI(frame);
diff --git a/platform/util/resources/misc/registry.properties b/platform/util/resources/misc/registry.properties
index 772ae1d54996..9867e8069fdd 100644
--- a/platform/util/resources/misc/registry.properties
+++ b/platform/util/resources/misc/registry.properties
@@ -1350,7 +1350,10 @@ ide.text.effect.new.scale=true
 ide.text.effect.new.scale.description=Enables scalable effect painter for text
 ide.text.effect.new.metrics=true
 ide.text.effect.new.metrics.description=Use line metrics to calculate text offset in the effect painter
-
+ide.disable.fractionalMetrics=false
+ide.disable.fractionalMetrics.restartRequired=true
+ide.disable.fractionalMetrics.description=Fractional metrics are used by default in macOS Catalina to improve font rendering. \
+    In some cases it may cause slowdown and the key allows switch them off
 ide.intellij.laf.enable.animation=false
 ide.intellij.laf.enable.animation.description=Provides visually smooth switching between LAFs