diff --git a/Telegram/BUILD b/Telegram/BUILD
index d6a0ff812d..a35ed06147 100644
--- a/Telegram/BUILD
+++ b/Telegram/BUILD
@@ -1817,6 +1817,8 @@ plist_fragment(
             </dict>
         </dict>
     </array>
+    <key>CADisableMinimumFrameDurationOnPhone</key>
+    <true/>
     """.format(
         telegram_bundle_id = telegram_bundle_id,
     )
diff --git a/submodules/Display/Source/ListView.swift b/submodules/Display/Source/ListView.swift
index a19511a0db..1a00e6fd5d 100644
--- a/submodules/Display/Source/ListView.swift
+++ b/submodules/Display/Source/ListView.swift
@@ -2,6 +2,7 @@ import UIKit
 import AsyncDisplayKit
 import SwiftSignalKit
 import UIKitRuntimeUtils
+import ObjCRuntimeUtils
 
 private let infiniteScrollSize: CGFloat = 10000.0
 private let insertionAnimationDuration: Double = 0.4
@@ -822,11 +823,27 @@ open class ListView: ASDisplayNode, UIScrollViewAccessibilityDelegate, UIGesture
     }
     
     private var generalAccumulatedDeltaY: CGFloat = 0.0
+    private var previousDidScrollTimestamp: Double = 0.0
     
     private func updateScrollViewDidScroll(_ scrollView: UIScrollView, synchronous: Bool) {
         if self.ignoreScrollingEvents || scroller !== self.scroller {
             return
         }
+
+        /*let timestamp = CACurrentMediaTime()
+        if !self.previousDidScrollTimestamp.isZero {
+            let delta = timestamp - self.previousDidScrollTimestamp
+            if delta < 0.1 {
+                print("Scrolling delta: \(delta)")
+            }
+        }
+        self.previousDidScrollTimestamp = timestamp
+
+        if let displayLink = self.scroller.getIvarValue("_scrollHeartbeat") as? CADisplayLink {
+            if #available(iOS 10.0, *) {
+                displayLink.preferredFramesPerSecond = 120
+            }
+        }*/
             
         //CATransaction.begin()
         //CATransaction.setDisableActions(true)
@@ -854,7 +871,7 @@ open class ListView: ASDisplayNode, UIScrollViewAccessibilityDelegate, UIGesture
             self.trackingOffset += -deltaY
         }
         
-        self.enqueueUpdateVisibleItems(synchronous: synchronous)
+        self.enqueueUpdateVisibleItems(synchronous: true)
         
         var useScrollDynamics = false
         
diff --git a/submodules/ObjCRuntimeUtils/Source/ObjCRuntimeUtils/RuntimeUtils.h b/submodules/ObjCRuntimeUtils/Source/ObjCRuntimeUtils/RuntimeUtils.h
index f60b4f83d8..efdfd1f48b 100644
--- a/submodules/ObjCRuntimeUtils/Source/ObjCRuntimeUtils/RuntimeUtils.h
+++ b/submodules/ObjCRuntimeUtils/Source/ObjCRuntimeUtils/RuntimeUtils.h
@@ -22,6 +22,8 @@ typedef enum {
 - (id _Nullable)associatedObjectForKey:(void const * _Nonnull)key;
 - (bool)checkObjectIsKindOfClass:(Class _Nonnull)targetClass;
 - (void)setClass:(Class _Nonnull)newClass;
++ (NSArray<NSString *> * _Nonnull)getIvarList:(Class _Nonnull)classValue;
+- (id _Nullable)getIvarValue:(NSString * _Nonnull)name;
 
 - (NSNumber * _Nullable)floatValueForKeyPath:(NSString * _Nonnull)keyPath;
 
diff --git a/submodules/ObjCRuntimeUtils/Source/ObjCRuntimeUtils/RuntimeUtils.m b/submodules/ObjCRuntimeUtils/Source/ObjCRuntimeUtils/RuntimeUtils.m
index 742c98fb6c..3e708424e6 100644
--- a/submodules/ObjCRuntimeUtils/Source/ObjCRuntimeUtils/RuntimeUtils.m
+++ b/submodules/ObjCRuntimeUtils/Source/ObjCRuntimeUtils/RuntimeUtils.m
@@ -109,6 +109,34 @@
     } else {
         return nil;
     }
++ (NSArray<NSString *> * _Nonnull)getIvarList:(Class _Nonnull)classValue {
+    NSMutableArray<NSString *> *result = [[NSMutableArray alloc] init];
+
+    unsigned int varCount;
+
+    Ivar *vars = class_copyIvarList(classValue, &varCount);
+
+    for (int i = 0; i < varCount; i++) {
+        Ivar var = vars[i];
+
+        const char* name = ivar_getName(var);
+        const char* typeEncoding = ivar_getTypeEncoding(var);
+
+        [result addObject:[NSString stringWithFormat:@"%s: %s", name, typeEncoding]];
+    }
+
+    free(vars);
+
+    return result;
+}
+
+- (id _Nullable)getIvarValue:(NSString * _Nonnull)name {
+    Ivar ivar = class_getInstanceVariable([self class], [name UTF8String]);
+    if (!ivar){
+       return nil;
+    }
+    id value = object_getIvar(self, ivar);
+    return value;
 }
 
 @end
diff --git a/submodules/TelegramUI/Sources/PeerInfo/Panes/PeerInfoVisualMediaPaneNode.swift b/submodules/TelegramUI/Sources/PeerInfo/Panes/PeerInfoVisualMediaPaneNode.swift
index 9a5af497b4..a66f2a017f 100644
--- a/submodules/TelegramUI/Sources/PeerInfo/Panes/PeerInfoVisualMediaPaneNode.swift
+++ b/submodules/TelegramUI/Sources/PeerInfo/Panes/PeerInfoVisualMediaPaneNode.swift
@@ -1066,8 +1066,10 @@ final class PeerInfoVisualMediaPaneNode: ASDisplayNode, PeerInfoPaneNode, UIScro
         
         self.updateHeaderFlashing(animated: true)
     }
+
+    private var previousDidScrollTimestamp: Double = 0.0
     
-    func scrollViewDidScroll(_ scrollView: UIScrollView) {
+    func scrollViewDidScroll(_ scrollView: UIScrollView) {        
         if let (size, sideInset, bottomInset, visibleHeight, _, _, presentationData) = self.currentParams {
             self.updateVisibleItems(size: size, sideInset: sideInset, bottomInset: bottomInset, visibleHeight: visibleHeight, theme: presentationData.theme, strings: presentationData.strings, synchronousLoad: false)
             
diff --git a/versions.json b/versions.json
index a3127779d2..443b8984a7 100644
--- a/versions.json
+++ b/versions.json
@@ -1,5 +1,5 @@
 {
-    "app": "8.1",
+    "app": "8.1.2",
     "bazel": "4.0.0",
     "xcode": "12.5.1"
 }