Implemented

src/MudBlazor.UnitTests.Viewer/TestComponents/Popover/PopoverPropertyTest.razor

@@ -5,6 +5,7 @@
 	<MudPopover Open="true" Style="my-custom-style:3px"
 				MaxHeight="@MaxHeight"
 				Paper="Paper"
+                DropShadow=@DropShadow
 				Elevation="Elevation"
 				Square="Square"
 				Fixed="Fixed"
@@ -31,4 +32,5 @@
 	[Parameter] public bool RelativeWidth { get; set; } = false;
 	[Parameter] public OverflowBehavior OverflowBehavior { get; set; } = OverflowBehavior.FlipNever;
 	[Parameter] public double Duration { get; set; } = 251;
+    [Parameter] public bool DropShadow { get; set; } = true; // Default
 }

src/MudBlazor.UnitTests/Components/PopoverTests.cs

@@ -855,6 +855,7 @@ public void MudPopover_DefaultValues()
 
             popover.MaxHeight.Should().BeNull();
             popover.Paper.Should().BeTrue();
+            popover.DropShadow.Should().BeTrue();
             popover.Elevation.Should().Be(8);
             popover.Square.Should().BeFalse();
             popover.Open.Should().BeFalse();
@@ -1032,6 +1033,17 @@ public void MudPopover_Property_OverflowBehavior(OverflowBehavior overflowBehavi
             popoverElement.ClassList.Should().Contain(new[] { "mud-popover-open", $"mud-popover-overflow-{expectedClass}", "my-custom-class" });
         }
 
+        [Test]
+        public void MudPopover_Property_DropShadow_False_NoElevation()
+        {
+            var comp = Context.RenderComponent<PopoverPropertyTest>(p => p.Add(
+                x => x.DropShadow, false));
+
+            var popoverElement = comp.Find(".test-popover-content").ParentElement;
+
+            popoverElement.ClassList.Should().NotContain("mud-elevation-8");
+        }
+
         [Test]
         public async Task MudPopover_WithDynamicContent()
         {

src/MudBlazor/Components/Popover/MudPopover.razor.cs

@@ -1,6 +1,4 @@
-using System;
-using System.Diagnostics.CodeAnalysis;
-using Microsoft.AspNetCore.Components;
+using Microsoft.AspNetCore.Components;
 using MudBlazor.Utilities;
 
 namespace MudBlazor
@@ -18,7 +16,7 @@ public partial class MudPopover : MudPopoverBase
                 .AddClass($"mud-popover-relative-width", RelativeWidth)
                 .AddClass($"mud-paper", Paper)
                 .AddClass($"mud-paper-square", Paper && Square)
-                .AddClass($"mud-elevation-{Elevation}", Paper)
+                .AddClass($"mud-elevation-{Elevation}", Paper && DropShadow)
                 .AddClass($"overflow-y-auto", MaxHeight != null)
                 .AddClass(Class)
                 .Build();
@@ -58,12 +56,19 @@ internal Direction ConvertDirection(Direction direction)
         [Category(CategoryTypes.Popover.Appearance)]
         public bool Paper { get; set; } = true;
 
+        /// <summary>
+        /// Determines whether the popover has a drop-shadow. Default is true.
+        /// </summary>
+        [Parameter]
+        [Category(CategoryTypes.Menu.Appearance)]
+        public bool DropShadow { get; set; } = true;
+
         /// <summary>
         /// The higher the number, the heavier the drop-shadow.
         /// </summary>
         [Parameter]
         [Category(CategoryTypes.Popover.Appearance)]
-        public int Elevation { set; get; } = 8;
+        public int Elevation { set; get; } = MudGlobal.Popover.Elevation;
 
         /// <summary>
         /// If true, border-radius is set to 0.

src/MudBlazor/Services/MudGlobal.cs

@@ -96,4 +96,12 @@ private static void OnDefaultExceptionHandler(Exception ex)
     {
         Console.Write(ex);
     }
+
+    public static class Popover
+    {
+        /// <summary>
+        /// The default elevation level for <see cref="MudPopover"/>.
+        /// </summary>
+        public static int Elevation { get; set; } = 8;
+    }
 }