diff --git a/.github/workflows/ci.yml b/.github/workflows/ci.yml
index 260829a..4fb1d66 100644
--- a/.github/workflows/ci.yml
+++ b/.github/workflows/ci.yml
@@ -48,9 +48,6 @@ jobs:
     steps:
       - name: Checkout
         uses: actions/checkout@v2
-        with:
-          # Make sure the actual branch is checked out when running on pull requests
-          ref: ${{ github.head_ref }}
 
       - name: Prettify code
         uses: creyD/prettier_action@v4.1.1
diff --git a/CREDITS b/CREDITS
index dfa5214..0a4527e 100644
--- a/CREDITS
+++ b/CREDITS
@@ -30,6 +30,9 @@ N: Ajith-stark
 E: ajith.kum.12342@gmail.com
 W: https://github.com/Ajith-stark
 
+N: akay
+W: https://github.com/akay
+
 N: Andmagdo
 W: https://github.com/andmagdo
 
diff --git a/css/leptonChrome.css b/css/leptonChrome.css
index 10ede0d..0e0a801 100644
--- a/css/leptonChrome.css
+++ b/css/leptonChrome.css
@@ -145,6 +145,54 @@
     border: 1px solid var(--input-border-color, var(--toolbar-field-border-color, ThreeDShadow)) !important;
     /* Original: 1px solid var(--input-border-color, var(--toolbar-field-border-color)) */
   }
+
+  /*= Drop Indicator Color #473 ================================================*/
+  treechildren::-moz-tree-cell-text(primary, dropOn),
+  treechildren::-moz-tree-drop-feedback,
+  vbox[part="drop-indicator-bar"] > image[part="drop-indicator"] {
+    background-color: var(--button-primary-bgcolor, var(--focus-outline-color)) !important;
+    /* Original: SelectedItem or AccentColor*/
+  }
+
+  #bookmarksPanel[lwt-sidebar="true"] {
+    --focus-outline-color: var(--in-content-focus-outline-color, AccentColor) !important;
+  }
+
+  /*= Menu color #477 ==========================================================*/
+  @media (-moz-windows-non-native-menus) {
+    :root {
+      /* Override some menu color variables for light browser themes. */
+      --menuitem-hover-background-color: #e0e0e6;
+      --menu-background-color: #f9f9fb;
+      --menu-color: #15141a;
+      --menuitem-disabled-hover-background-color: rgba(224, 224, 230, 0.4);
+      --menu-disabled-color: rgba(21, 20, 26, 0.4);
+      --menu-border-color: #cfcfd8;
+      --menu-icon-opacity: 0.7;
+      /* Declare menu colors for dark themes, but don't override anything yet. */
+      --dark-menuitem-hover-background-color: #52525e;
+      --dark-menu-background-color: #2b2a33;
+      --dark-menu-color: #fbfbfe;
+      --dark-menuitem-disabled-hover-background-color: rgba(82, 82, 94, 0.4);
+      --dark-menu-disabled-color: rgba(251, 251, 254, 0.4);
+      --dark-menu-border-color: #5b5b66;
+      --dark-menu-icon-opacity: 1;
+    }
+
+    /* Override the menu color variables for dark browser themes. */
+  }
+  @media (-moz-windows-non-native-menus) and (-moz-toolbar-prefers-color-scheme: dark),
+    (-moz-windows-non-native-menus) and (prefers-color-scheme: dark) {
+    :root {
+      --menuitem-hover-background-color: var(--dark-menuitem-hover-background-color);
+      --menu-background-color: var(--dark-menu-background-color);
+      --menu-color: var(--dark-menu-color);
+      --menuitem-disabled-hover-background-color: var(--dark-menuitem-disabled-hover-background-color);
+      --menu-disabled-color: var(--dark-menu-disabled-color);
+      --menu-border-color: var(--dark-menu-border-color);
+      --menu-icon-opacity: var(--dark-menu-icon-opacity);
+    }
+  }
 }
 /*= OS - Compatibility =======================================================*/
 @supports -moz-bool-pref("userChrome.compatibility.os") {
@@ -289,7 +337,7 @@
     }
 
     /*= Linux - Titlebar button at lwtheme =====================================*/
-    @supports not -moz-bool-pref("userChrome.compatiblity.os.linux_non_native_titlebar_button") {
+    @supports not -moz-bool-pref("userChrome.compatibility.os.linux_non_native_titlebar_button") {
       .titlebar-button:-moz-lwtheme {
         appearance: auto !important;
       }
@@ -334,16 +382,21 @@
     }
   }
   /*= Titlebar Container Size at maximized #384 ================================*/
-  @supports -moz-bool-pref("userChrome.compatibility.os.windows_maximized") {
-    @media (-moz-os-version: windows-win7),
-      (-moz-platform: windows-win7),
-      (-moz-os-version: windows-win8),
-      (-moz-platform: windows-win8),
-      (-moz-os-version: windows-win10),
-      (-moz-platform: windows-win10) {
-      :root[tabsintitlebar][sizemode="maximized"] #titlebar {
+  @media (-moz-os-version: windows-win7),
+    (-moz-platform: windows-win7),
+    (-moz-os-version: windows-win8),
+    (-moz-platform: windows-win8),
+    (-moz-os-version: windows-win10),
+    (-moz-platform: windows-win10) {
+    @supports not -moz-bool-pref("userChrome.compatibility.os.windows_maximized") {
+      :root[tabsintitlebar] #titlebar {
         /* -moz-default-appearance: -moz-window-titlebar */
         appearance: none !important;
+      }
+    }
+    @supports -moz-bool-pref("userChrome.compatibility.os.windows_maximized") {
+      :root[tabsintitlebar][sizemode="maximized"] #titlebar {
+        appearance: none !important;
         padding-top: 8px;
       }
     }
@@ -1310,14 +1363,14 @@
     html#main-window menupopup:not(.in-menulist) menuseparator {
       border-top: 1px solid var(--menu-border-color);
     }
-    html#main-window menupopup menu[disabled="true"],
-    html#main-window menupopup menu[_moz-menuactive="true"][disabled="true"],
-    html#main-window menupopup menuitem[disabled="true"],
-    html#main-window menupopup menuitem[_moz-menuactive="true"][disabled="true"] {
+    html#main-window menupopup:not(.in-menulist) menu[disabled="true"],
+    html#main-window menupopup:not(.in-menulist) menu[_moz-menuactive="true"][disabled="true"],
+    html#main-window menupopup:not(.in-menulist) menuitem[disabled="true"],
+    html#main-window menupopup:not(.in-menulist) menuitem[_moz-menuactive="true"][disabled="true"] {
       color: var(--menu-disabled-color) !important;
     }
-    html#main-window menupopup menu[_moz-menuactive="true"]:not([disabled="true"]),
-    html#main-window menupopup menuitem[_moz-menuactive="true"]:not([disabled="true"]) {
+    html#main-window menupopup:not(.in-menulist) menu[_moz-menuactive="true"]:not([disabled="true"]),
+    html#main-window menupopup:not(.in-menulist) menuitem[_moz-menuactive="true"]:not([disabled="true"]) {
       background-color: var(--menuitem-hover-background-color) !important;
       color: var(--menu-color) !important;
     }
@@ -1339,6 +1392,12 @@
       background-color: transparent !important;
     }
   }
+  @media (-moz-windows-non-native-menus) and (-moz-toolbar-prefers-color-scheme: light),
+    (-moz-windows-non-native-menus) and (prefers-color-scheme: light) {
+    :root[style*="background-noodles-right"] menupopup {
+      --toolbarbutton-hover-background: rgba(232, 224, 255, 0.11999999731779099) !important;
+    }
+  }
   @media not all and (-moz-gtk-csd-available) {
     window:is(#bookmarksPanel, #history-panel)[lwt-sidebar="true"] menupopup {
       --panel-color: var(--lwt-sidebar-text-color, var(--menu-color)) !important;
@@ -1378,7 +1437,7 @@
     window:is(#bookmarksPanel, #history-panel)[style*="--newtab-background-color: rgba(43, 42, 51, 1);"] menupopup {
       /* Default Dark Mode */
       --panel-color: var(--menu-color) !important;
-      --panel-background: var(--menu-background-color) !important;
+      --panel-background: var(--menu-background-color, -moz-menuhover) !important;
     }
   }
   /*== Info Bar Color ==========================================================*/
@@ -2720,6 +2779,10 @@
       treechildren::-moz-tree-separator(selected) {
         border-color: var(--organizer-selected-color) !important;
       }
+      treechildren::-moz-tree-cell-text(primary, dropOn),
+      treechildren::-moz-tree-drop-feedback {
+        background-color: var(--organizer-outline-color) !important;
+      }
 
       /*- Info Box -------------------------------------------------------------*/
       #detailsPane {
@@ -3214,13 +3277,21 @@
 @supports -moz-bool-pref("userChrome.padding.first_tab") {
   /* for First Tab Space */
   :root {
-    --space-left-tabbar: 8px;
+    --uc-space-left-tabbar: 8px;
     /* If the option is not specified, it is equivalent to 0px. */
   }
 
-  :root:not([tabsintitlebar]) #tabbrowser-tabs:not([positionpinnedtabs]),
-  :root:is([sizemode="maximized"], [sizemode="fullscreen"]) #tabbrowser-tabs:not([positionpinnedtabs]) {
-    padding-inline-start: var(--space-left-tabbar) !important;
+  @supports not -moz-bool-pref("userChrome.padding.first_tab.always") {
+    :root:not([tabsintitlebar]) #tabbrowser-tabs:not([positionpinnedtabs]),
+    :root:is([sizemode="maximized"], [sizemode="fullscreen"]) #tabbrowser-tabs:not([positionpinnedtabs]) {
+      padding-inline-start: var(--uc-space-left-tabbar) !important;
+    }
+  }
+  @supports -moz-bool-pref("userChrome.padding.first_tab.always") {
+    :root:not([tabsintitlebar]) #tabbrowser-tabs,
+    :root:is([sizemode="maximized"], [sizemode="fullscreen"]) #tabbrowser-tabs {
+      padding-inline-start: calc(var(--tab-overflow-pinned-tabs-width, 0px) + var(--uc-space-left-tabbar)) !important;
+    }
   }
 }
 @supports -moz-bool-pref("userChrome.padding.tabbar_width") {
@@ -3385,18 +3456,18 @@
 @supports -moz-bool-pref("userChrome.padding.drag_space") {
   /* for Extra Drag Space */
   :root {
-    --space-above-tabbar: 8px;
+    --uc-space-above-tabbar: 8px;
     /* If the option is not specified, it is equivalent to 0px. */
   }
 
   @media (-moz-os-version: windows-win10), (-moz-platform: windows-win10) {
     :root[tabsintitlebar][sizemode="normal"] #toolbar-menubar[autohide="true"] {
-      height: calc(var(--tab-min-height) + var(--space-above-tabbar) - var(--tabs-navbar-shadow-size));
+      height: calc(var(--tab-min-height) + var(--uc-space-above-tabbar) - var(--tabs-navbar-shadow-size));
     }
 
     @supports -moz-bool-pref("userChrome.padding.drag_space.maximized") {
       :root[tabsintitlebar][sizemode="maximized"] #toolbar-menubar[autohide="true"] {
-        height: calc(var(--tab-min-height) + var(--space-above-tabbar) - var(--tabs-navbar-shadow-size));
+        height: calc(var(--tab-min-height) + var(--uc-space-above-tabbar) - var(--tabs-navbar-shadow-size));
       }
     }
   }
@@ -3406,18 +3477,18 @@
     (-moz-platform: windows-win8),
     (-moz-gtk-csd-available) {
     :root[tabsintitlebar][sizemode="normal"] #toolbar-menubar[autohide="true"] {
-      height: calc(var(--tab-min-height) + var(--space-above-tabbar));
+      height: calc(var(--tab-min-height) + var(--uc-space-above-tabbar));
     }
 
     @supports -moz-bool-pref("userChrome.padding.drag_space.maximized") {
       :root[tabsintitlebar][sizemode="maximized"] #toolbar-menubar[autohide="true"] {
-        height: calc(var(--tab-min-height) + var(--space-above-tabbar));
+        height: calc(var(--tab-min-height) + var(--uc-space-above-tabbar));
       }
     }
   }
   @supports -moz-bool-pref("layout.css.osx-font-smoothing.enabled") {
     #TabsToolbar > .toolbar-items {
-      padding-top: var(--space-above-tabbar) !important;
+      padding-top: var(--uc-space-above-tabbar) !important;
     }
   }
   @media (-moz-os-version: windows-win7), (-moz-platform: windows-win7) {
@@ -3425,13 +3496,13 @@
     /* Add extra space to titlebar for dragging */
     :root[sizemode="normal"][chromehidden~="menubar"] #TabsToolbar > .toolbar-items,
     :root[sizemode="normal"] #toolbar-menubar[autohide="true"][inactive] + #TabsToolbar > .toolbar-items {
-      padding-top: calc(var(--space-above-tabbar) + 4px) !important;
+      padding-top: calc(var(--uc-space-above-tabbar) + 4px) !important;
     }
 
     @supports -moz-bool-pref("userChrome.padding.drag_space.maximized") {
       :root[sizemode="maximized"][chromehidden~="menubar"] #TabsToolbar > .toolbar-items,
       :root[sizemode="maximized"] #toolbar-menubar[autohide="true"][inactive] + #TabsToolbar > .toolbar-items {
-        padding-top: calc(var(--space-above-tabbar) + 4px) !important;
+        padding-top: calc(var(--uc-space-above-tabbar) + 4px) !important;
       }
     }
   }
@@ -3443,13 +3514,13 @@
     /* Add extra space to titlebar for dragging */
     :root[sizemode="normal"][chromehidden~="menubar"] #TabsToolbar > .toolbar-items,
     :root[sizemode="normal"] #toolbar-menubar[autohide="true"][inactive] + #TabsToolbar > .toolbar-items {
-      padding-top: var(--space-above-tabbar) !important;
+      padding-top: var(--uc-space-above-tabbar) !important;
     }
 
     @supports -moz-bool-pref("userChrome.padding.drag_space.maximized") {
       :root[sizemode="maximized"][chromehidden~="menubar"] #TabsToolbar > .toolbar-items,
       :root[sizemode="maximized"] #toolbar-menubar[autohide="true"][inactive] + #TabsToolbar > .toolbar-items {
-        padding-top: var(--space-above-tabbar) !important;
+        padding-top: var(--uc-space-above-tabbar) !important;
       }
     }
   }
@@ -4292,6 +4363,7 @@
     }
 
     #navigator-toolbox {
+      position: relative;
       z-index: 2;
     }
 
@@ -4335,7 +4407,9 @@
       }
     }
     #urlbar-container {
-      min-width: calc(24px + 2 * var(--toolbarbutton-inner-padding)) !important;
+      min-width: calc(
+        var(--uc-oneliner-urlbar-base-width, 50px) + 24px + 2 * var(--toolbarbutton-inner-padding)
+      ) !important;
     }
 
     #PersonalToolbar {
@@ -4406,6 +4480,7 @@
       }
 
       #navigator-toolbox {
+        position: relative;
         z-index: 2;
       }
 
@@ -4449,7 +4524,9 @@
         }
       }
       #urlbar-container {
-        min-width: calc(24px + 2 * var(--toolbarbutton-inner-padding)) !important;
+        min-width: calc(
+          var(--uc-oneliner-urlbar-base-width, 50px) + 24px + 2 * var(--toolbarbutton-inner-padding)
+        ) !important;
       }
 
       #PersonalToolbar {
@@ -7378,6 +7455,8 @@
     --uc-sidebar-activate-width-reverse: calc(-1 * var(--uc-sidebar-activate-width));
     --uc-sidebar-fullscreen-width: 4px;
     --uc-sidebar-shadow-color: #28282f;
+    --uc-autohide-sidebar-speed: 750ms;
+    --uc-autohide-fullscreen-sidebar-speed: 1s;
     --uc-autohide-sidebar-delay: 600ms;
     /* Wait 0.6s before hiding sidebar */
     z-index: 1 !important;
@@ -8141,7 +8220,8 @@
 
     @media (prefers-reduced-motion: no-preference) {
       #sidebar {
-        transition: min-width 750ms var(--animation-easing-function) var(--uc-autohide-sidebar-delay) !important;
+        transition: min-width var(--uc-autohide-sidebar-speed) var(--animation-easing-function)
+          var(--uc-autohide-sidebar-delay) !important;
       }
 
       #sidebar-box:is(:hover, :focus-within) > #sidebar {
@@ -8149,7 +8229,8 @@
       }
 
       :root[inFullscreen="true"] #sidebar-box {
-        transition: padding-inline-start 1s var(--animation-easing-function) var(--uc-autohide-sidebar-delay) !important;
+        transition: padding-inline-start var(--uc-autohide-fullscreen-sidebar-speed) var(--animation-easing-function)
+          var(--uc-autohide-sidebar-delay) !important;
       }
       :root[inFullscreen="true"] #sidebar-box:is(:hover, :focus-within) {
         transition-delay: 0ms !important;
@@ -8186,14 +8267,16 @@
 
     @media (prefers-reduced-motion: no-preference) {
       #sidebar-box {
-        transition: min-width 750ms var(--animation-easing-function) var(--uc-autohide-sidebar-delay) !important;
+        transition: min-width var(--uc-autohide-sidebar-speed) var(--animation-easing-function)
+          var(--uc-autohide-sidebar-delay) !important;
       }
       #sidebar-box:is(:hover, :focus-within) {
         transition-delay: 0ms !important;
       }
 
       :root[inFullscreen="true"] #sidebar-box {
-        transition: margin-inline-start 1s var(--animation-easing-function) var(--uc-autohide-sidebar-delay) !important;
+        transition: margin-inline-start var(--uc-autohide-fullscreen-sidebar-speed) var(--animation-easing-function)
+          var(--uc-autohide-sidebar-delay) !important;
       }
       :root[inFullscreen="true"] #sidebar-box[positionend="true"] {
         transition-property: margin-inline-end !important;
@@ -8600,6 +8683,8 @@
 
   #appMenu-proton-update-banner .toolbarbutton-text {
     margin-inline-start: 0 !important;
+    padding-inline-start: 0 !important;
+    /* FF v107 */
   }
 
   #appMenu-multiView .subviewbutton::before,
@@ -8612,10 +8697,7 @@
 
   #appMenu-proton-update-banner {
     margin-bottom: 2px !important;
-  }
-
-  #appMenu-proton-update-banner::before {
-    margin-inline-start: var(--arrowpanel-menuitem-padding-inline) !important;
+    padding-inline-start: var(--arrowpanel-menuitem-padding-inline) !important;
   }
 
   #appMenu-fxa-status2,
@@ -8646,7 +8728,7 @@
   #appMenu-multiView .subviewbutton::before,
   #appMenu-proton-update-banner::before,
   #downloadsHistory .button-icon,
-  .subviewbutton > image {
+  .subviewbutton:not(#appMenu-proton-update-banner) > image {
     fill: currentColor !important;
     fill-opacity: var(--toolbarbutton-icon-fill-opacity) !important;
     -moz-context-properties: fill !important;
diff --git a/css/leptonContent.css b/css/leptonContent.css
index 30e337e..0e0d42c 100644
--- a/css/leptonContent.css
+++ b/css/leptonContent.css
@@ -2676,6 +2676,10 @@
         treechildren::-moz-tree-separator(selected) {
           border-color: var(--organizer-selected-color) !important;
         }
+        treechildren::-moz-tree-cell-text(primary, dropOn),
+        treechildren::-moz-tree-drop-feedback {
+          background-color: var(--organizer-outline-color) !important;
+        }
 
         /*- Info Box -------------------------------------------------------------*/
         #detailsPane {
diff --git a/src/autohide/sidebar/_overlap.scss b/src/autohide/sidebar/_overlap.scss
index c282701..40b720b 100644
--- a/src/autohide/sidebar/_overlap.scss
+++ b/src/autohide/sidebar/_overlap.scss
@@ -30,7 +30,7 @@
 
 @include Animate {
   #sidebar {
-    transition: min-width 750ms var(--animation-easing-function) var(--uc-autohide-sidebar-delay) !important;
+    transition: min-width var(--uc-autohide-sidebar-speed) var(--animation-easing-function) var(--uc-autohide-sidebar-delay) !important;
   }
 
   #sidebar-box:is(:hover, :focus-within) > #sidebar {
@@ -38,7 +38,7 @@
   }
 
   :root[inFullscreen="true"] #sidebar-box {
-    transition: padding-inline-start 1s var(--animation-easing-function) var(--uc-autohide-sidebar-delay) !important;
+    transition: padding-inline-start var(--uc-autohide-fullscreen-sidebar-speed) var(--animation-easing-function) var(--uc-autohide-sidebar-delay) !important;
 
     &:is(:hover, :focus-within) {
       transition-delay: 0ms !important;
diff --git a/src/autohide/sidebar/_static.scss b/src/autohide/sidebar/_static.scss
index c1756c2..41ff435 100644
--- a/src/autohide/sidebar/_static.scss
+++ b/src/autohide/sidebar/_static.scss
@@ -32,7 +32,7 @@
 
 @include Animate {
   #sidebar-box {
-    transition: min-width 750ms var(--animation-easing-function) var(--uc-autohide-sidebar-delay) !important;
+    transition: min-width var(--uc-autohide-sidebar-speed) var(--animation-easing-function) var(--uc-autohide-sidebar-delay) !important;
 
     &:is(:hover, :focus-within) {
       transition-delay: 0ms !important;
@@ -40,7 +40,7 @@
   }
 
   :root[inFullscreen="true"] #sidebar-box {
-    transition: margin-inline-start 1s var(--animation-easing-function) var(--uc-autohide-sidebar-delay) !important;
+    transition: margin-inline-start var(--uc-autohide-fullscreen-sidebar-speed) var(--animation-easing-function) var(--uc-autohide-sidebar-delay) !important;
 
     &[positionend="true"] {
       transition-property: margin-inline-end !important;
diff --git a/src/compatibility/_os.scss b/src/compatibility/_os.scss
index 905289e..c3a3ebf 100644
--- a/src/compatibility/_os.scss
+++ b/src/compatibility/_os.scss
@@ -131,7 +131,7 @@
   }
 
   /*= Linux - Titlebar button at lwtheme =====================================*/
-  @include NotOption("userChrome.compatiblity.os.linux_non_native_titlebar_button") {
+  @include NotOption("userChrome.compatibility.os.linux_non_native_titlebar_button") {
     .titlebar-button:-moz-lwtheme {
       appearance: auto !important;
     }
@@ -183,14 +183,22 @@ $_os_linuxDefaultShadow: 0 0 4px rgba(128, 128, 142, 0.5);
 }
 
 /*= Titlebar Container Size at maximized #384 ================================*/
-@include Option("userChrome.compatibility.os.windows_maximized") {
-  @include OS($win) {
-    :root[tabsintitlebar][sizemode="maximized"] #titlebar {
-      /* -moz-default-appearance: -moz-window-titlebar */
-      appearance: none !important;
+@include OS($win) {
+  :root[tabsintitlebar] {
+    @include NotOption("userChrome.compatibility.os.windows_maximized") {
+      #titlebar {
+        // Prevent #476 FF v105 above
+        /* -moz-default-appearance: -moz-window-titlebar */
+        appearance: none !important;
+      }
+    }
+    @include Option("userChrome.compatibility.os.windows_maximized") {
+      &[sizemode="maximized"] #titlebar {
+        appearance: none !important;
 
-      // Prevent sideeffect #370
-      padding-top: 8px; // Don't use margin-top for reserved fullscreen animation
+        // Prevent sideeffect #370
+        padding-top: 8px; // Don't use margin-top for reserved fullscreen animation
+      }
     }
   }
 }
diff --git a/src/compatibility/_theme.scss b/src/compatibility/_theme.scss
index 0d43087..ff7e352 100644
--- a/src/compatibility/_theme.scss
+++ b/src/compatibility/_theme.scss
@@ -123,3 +123,50 @@ menu {
 html|input.findbar-textbox {
   border: 1px solid var(--input-border-color, var(--toolbar-field-border-color, ThreeDShadow)) !important; /* Original: 1px solid var(--input-border-color, var(--toolbar-field-border-color)) */
 }
+
+/*= Drop Indicator Color #473 ================================================*/
+treechildren::-moz-tree-cell-text(primary, dropOn),
+treechildren::-moz-tree-drop-feedback,
+vbox[part="drop-indicator-bar"] > image[part="drop-indicator"] {
+  background-color: var(--button-primary-bgcolor, var(--focus-outline-color)) !important; /* Original: SelectedItem or AccentColor*/
+}
+
+#bookmarksPanel[lwt-sidebar="true"] {
+  --focus-outline-color: var(--in-content-focus-outline-color, AccentColor) !important;
+}
+
+/*= Menu color #477 ==========================================================*/
+@media (-moz-windows-non-native-menus) {
+  :root {
+    /* Override some menu color variables for light browser themes. */
+    --menuitem-hover-background-color: #e0e0e6;
+    --menu-background-color: #f9f9fb;
+    --menu-color: #15141a;
+    --menuitem-disabled-hover-background-color: rgba(224, 224, 230, 0.4);
+    --menu-disabled-color: rgba(21, 20, 26, 0.4);
+    --menu-border-color: #cfcfd8;
+    --menu-icon-opacity: 0.7;
+
+    /* Declare menu colors for dark themes, but don't override anything yet. */
+    --dark-menuitem-hover-background-color: #52525e;
+    --dark-menu-background-color: #2b2a33;
+    --dark-menu-color: #fbfbfe;
+    --dark-menuitem-disabled-hover-background-color: rgba(82, 82, 94, 0.4);
+    --dark-menu-disabled-color: rgba(251, 251, 254, 0.4);
+    --dark-menu-border-color: #5b5b66;
+    --dark-menu-icon-opacity: 1;
+  }
+
+  /* Override the menu color variables for dark browser themes. */
+  @include Dark {
+    :root {
+      --menuitem-hover-background-color: var(--dark-menuitem-hover-background-color);
+      --menu-background-color: var(--dark-menu-background-color);
+      --menu-color: var(--dark-menu-color);
+      --menuitem-disabled-hover-background-color: var(--dark-menuitem-disabled-hover-background-color);
+      --menu-disabled-color: var(--dark-menu-disabled-color);
+      --menu-border-color: var(--dark-menu-border-color);
+      --menu-icon-opacity: var(--dark-menu-icon-opacity);
+    }
+  }
+}
diff --git a/src/icons/layout/_panel.scss b/src/icons/layout/_panel.scss
index 546fd63..bce5576 100644
--- a/src/icons/layout/_panel.scss
+++ b/src/icons/layout/_panel.scss
@@ -39,6 +39,7 @@
 }
 #appMenu-proton-update-banner .toolbarbutton-text {
   margin-inline-start: 0 !important;
+  padding-inline-start: 0 !important; /* FF v107 */
 }
 
 #appMenu-multiView .subviewbutton::before,
@@ -50,9 +51,7 @@
 }
 #appMenu-proton-update-banner {
   margin-bottom: 2px !important;
-}
-#appMenu-proton-update-banner::before {
-  margin-inline-start: var(--arrowpanel-menuitem-padding-inline) !important;
+  padding-inline-start: var(--arrowpanel-menuitem-padding-inline) !important;
 }
 #appMenu-fxa-status2,
 #appMenu-zoom-controls2, /* Legacy v104 */
@@ -80,7 +79,7 @@
 #appMenu-multiView .subviewbutton::before,
 #appMenu-proton-update-banner::before,
 #downloadsHistory .button-icon,
-.subviewbutton > image {
+.subviewbutton:not(#appMenu-proton-update-banner) > image {
   fill: currentColor !important;
   fill-opacity: var(--toolbarbutton-icon-fill-opacity) !important;
   -moz-context-properties: fill !important;
diff --git a/src/library/_proton.scss b/src/library/_proton.scss
index 86ba436..8a1d961 100644
--- a/src/library/_proton.scss
+++ b/src/library/_proton.scss
@@ -275,6 +275,11 @@ treechildren {
   &::-moz-tree-separator(selected) {
     border-color: var(--organizer-selected-color) !important;
   }
+
+  &::-moz-tree-cell-text(primary, dropOn),
+  &::-moz-tree-drop-feedback {
+    background-color: var(--organizer-outline-color) !important;
+  }
 }
 
 /*- Info Box -------------------------------------------------------------*/
diff --git a/src/padding/_drag_space.scss b/src/padding/_drag_space.scss
index 2cfa38e..07e0f75 100644
--- a/src/padding/_drag_space.scss
+++ b/src/padding/_drag_space.scss
@@ -1,7 +1,7 @@
 /* for Extra Drag Space */
 // https://searchfox.org/mozilla-esr78/search?q=--space-above-tabbar&path=&case=false&regexp=false
 :root {
-  --space-above-tabbar: 8px; /* If the option is not specified, it is equivalent to 0px. */
+  --uc-space-above-tabbar: 8px; /* If the option is not specified, it is equivalent to 0px. */
 }
 
 //-- Mixin ---------------------------------------------------------------------
@@ -33,28 +33,28 @@
 
 @include OS($win10) {
   @include _dragSpaceHeight {
-    height: calc(var(--tab-min-height) + var(--space-above-tabbar) - var(--tabs-navbar-shadow-size));
+    height: calc(var(--tab-min-height) + var(--uc-space-above-tabbar) - var(--tabs-navbar-shadow-size));
   }
 }
 @include OS($win7, $win8, $linux) {
   @include _dragSpaceHeight {
-    height: calc(var(--tab-min-height) + var(--space-above-tabbar));
+    height: calc(var(--tab-min-height) + var(--uc-space-above-tabbar));
   }
 }
 
 @include OS($mac) {
   #TabsToolbar > .toolbar-items {
-    padding-top: var(--space-above-tabbar) !important;
+    padding-top: var(--uc-space-above-tabbar) !important;
   }
 }
 @include OS($win7) {
   /* Add 4px extra margin on top of the tabs toolbar on Windows 7. */
   @include _dragSpacePadding {
-    padding-top: calc(var(--space-above-tabbar) + 4px) !important;
+    padding-top: calc(var(--uc-space-above-tabbar) + 4px) !important;
   }
 }
 @include OS($win8, $win10, $linux) {
   @include _dragSpacePadding {
-    padding-top: var(--space-above-tabbar) !important;
+    padding-top: var(--uc-space-above-tabbar) !important;
   }
 }
diff --git a/src/padding/_first_tab.scss b/src/padding/_first_tab.scss
index 64c3033..508a964 100644
--- a/src/padding/_first_tab.scss
+++ b/src/padding/_first_tab.scss
@@ -1,9 +1,18 @@
 /* for First Tab Space */
 :root {
-  --space-left-tabbar: 8px; /* If the option is not specified, it is equivalent to 0px. */
+  --uc-space-left-tabbar: 8px; /* If the option is not specified, it is equivalent to 0px. */
 }
 
-:root:not([tabsintitlebar]) #tabbrowser-tabs:not([positionpinnedtabs]),
-:root:is([sizemode="maximized"], [sizemode="fullscreen"]) #tabbrowser-tabs:not([positionpinnedtabs]) {
-  padding-inline-start: var(--space-left-tabbar) !important;
+@include NotOption("userChrome.padding.first_tab.always") {
+  :root:not([tabsintitlebar]) #tabbrowser-tabs:not([positionpinnedtabs]),
+  :root:is([sizemode="maximized"], [sizemode="fullscreen"]) #tabbrowser-tabs:not([positionpinnedtabs]) {
+    padding-inline-start: var(--uc-space-left-tabbar) !important;
+  }
+}
+
+@include Option("userChrome.padding.first_tab.always") {
+  :root:not([tabsintitlebar]) #tabbrowser-tabs,
+  :root:is([sizemode="maximized"], [sizemode="fullscreen"]) #tabbrowser-tabs {
+    padding-inline-start: calc(var(--tab-overflow-pinned-tabs-width, 0px) +  var(--uc-space-left-tabbar)) !important;
+  }
 }
diff --git a/src/sidebar/_overlap.scss b/src/sidebar/_overlap.scss
index 8c9f29f..75a4465 100644
--- a/src/sidebar/_overlap.scss
+++ b/src/sidebar/_overlap.scss
@@ -11,6 +11,9 @@
     --uc-sidebar-activate-width-reverse: calc(-1 * var(--uc-sidebar-activate-width));
     --uc-sidebar-fullscreen-width: 4px;
     --uc-sidebar-shadow-color: #28282F;
+
+    --uc-autohide-sidebar-speed: 750ms;
+    --uc-autohide-fullscreen-sidebar-speed: 1s;
     --uc-autohide-sidebar-delay: 600ms; /* Wait 0.6s before hiding sidebar */
 
     z-index: 1 !important;
diff --git a/src/tabbar/_one_liner.scss b/src/tabbar/_one_liner.scss
index 4742d4f..540d2ad 100644
--- a/src/tabbar/_one_liner.scss
+++ b/src/tabbar/_one_liner.scss
@@ -27,6 +27,7 @@
 }
 
 #navigator-toolbox {
+  position: relative;
   z-index: 2;
 }
 
@@ -71,7 +72,7 @@
 }
 
 #urlbar-container {
-  min-width: calc(24px + 2 * var(--toolbarbutton-inner-padding)) !important; // Original: calc(350px + 24px + 2 * var(--toolbarbutton-inner-padding))
+  min-width: calc(var(--uc-oneliner-urlbar-base-width, 50px) + 24px + 2 * var(--toolbarbutton-inner-padding)) !important; // Original: calc(350px + 24px + 2 * var(--toolbarbutton-inner-padding))
 }
 
 #PersonalToolbar {
diff --git a/src/theme/_fully_color.scss b/src/theme/_fully_color.scss
index 67f48f6..3f230c7 100644
--- a/src/theme/_fully_color.scss
+++ b/src/theme/_fully_color.scss
@@ -32,18 +32,18 @@ html#main-window menupopup:not(.in-menulist) {
       menuseparator {
         border-top: 1px solid var(--menu-border-color);
       }
-    }
 
-    menu,
-    menuitem {
-      &[disabled="true"],
-      &[_moz-menuactive="true"][disabled="true"] {
-        color: var(--menu-disabled-color) !important;
-      }
+      menu,
+      menuitem {
+        &[disabled="true"],
+        &[_moz-menuactive="true"][disabled="true"] {
+          color: var(--menu-disabled-color) !important;
+        }
 
-      &[_moz-menuactive="true"]:not([disabled="true"]) {
-        background-color: var(--menuitem-hover-background-color) !important;
-        color: var(--menu-color) !important;
+        &[_moz-menuactive="true"]:not([disabled="true"]) {
+          background-color: var(--menuitem-hover-background-color) !important;
+          color: var(--menu-color) !important;
+        }
       }
     }
 
@@ -58,6 +58,13 @@ html#main-window menupopup:not(.in-menulist) {
       }
     }
   }
+
+  @include Light {
+    :root[style*="background-noodles-right"] menupopup {
+      // Alphen Glow Theme - Like darkmode
+      --toolbarbutton-hover-background: rgba(232, 224, 255, 0.11999999731779099)!important;
+    }
+  }
 }
 
 // TODO: `OS` not covered case
@@ -102,7 +109,7 @@ html#main-window menupopup:not(.in-menulist) {
     window:is(#bookmarksPanel, #history-panel)[style*="--newtab-background-color: rgba(43, 42, 51, 1);"]    menupopup {
     /* Default Dark Mode */
     --panel-color: var(--menu-color) !important;
-    --panel-background: var(--menu-background-color) !important;
+    --panel-background: var(--menu-background-color, -moz-menuhover) !important;
   }
 }
 
diff --git a/src/theme/_proton_color.scss b/src/theme/_proton_color.scss
index cd69e70..cc44b85 100644
--- a/src/theme/_proton_color.scss
+++ b/src/theme/_proton_color.scss
@@ -156,4 +156,3 @@
     --dialog-warning-text-color: var(--red-40);
   }
 }
-
diff --git a/user.js b/user.js
index 6fd773e..4d50428 100644
--- a/user.js
+++ b/user.js
@@ -66,7 +66,7 @@ user_pref("userChrome.rounding.square_tab",            true);
 // user_pref("userChrome.compatibility.navbar_top_border",    true);
 // user_pref("userChrome.compatibility.dynamic_separator",    true); // Need dynamic_seperator
 
-// user_pref("userChrome.compatiblity.os.linux_non_native_titlebar_button", true);
+// user_pref("userChrome.compatibility.os.linux_non_native_titlebar_button", true);
 // user_pref("userChrome.compatibility.os.windows_maximized", true);
 
 // == Theme Custom Settings ====================================================
@@ -116,6 +116,7 @@ user_pref("userChrome.rounding.square_tab",            true);
 // user_pref("userChrome.rounding.square_checklabel",          true);
 
 // user_pref("userChrome.padding.first_tab",                   true);
+// user_pref("userChrome.padding.first_tab.always",            true);
 // user_pref("userChrome.padding.drag_space",                  true);
 // user_pref("userChrome.padding.drag_space.maximized",        true);