When changing the extension view to nil from it previously being set, appropriate changes are made once... but _handleScrolling is then called, leading to incorrect content offsets until the view is scrolled back to the top. Disabling scroll handling temporarily while laying out the views fixes the problem.

TLYShyNavBar/TLYShyNavBarManager.m

@@ -363,7 +363,10 @@ static void * const kTLYShyNavBarManagerKVOContext = (void*)&kTLYShyNavBarManage
         self.extensionViewContainer.frame = bounds;
         [self.extensionViewContainer addSubview:view];
 
+        BOOL wasDisabled = self.disable;
+        self.disable = YES;
         [self layoutViews];
+        self.disable = wasDisabled;
     }
 }