diff --git a/arch-config/.mozilla/firefox/default-release/chrome/LEPTON b/arch-config/.mozilla/firefox/default-release/chrome/LEPTON
index 6d16ca49..ee651d6c 100644
--- a/arch-config/.mozilla/firefox/default-release/chrome/LEPTON
+++ b/arch-config/.mozilla/firefox/default-release/chrome/LEPTON
@@ -1,3 +1,3 @@
 [Info]
-Ver=v4.5.6
+Ver=v4.5.9
 Branch=photon-style
diff --git a/arch-config/.mozilla/firefox/default-release/chrome/README.org b/arch-config/.mozilla/firefox/default-release/chrome/README.org
index aeeef0db..7f2ed008 100644
--- a/arch-config/.mozilla/firefox/default-release/chrome/README.org
+++ b/arch-config/.mozilla/firefox/default-release/chrome/README.org
@@ -97,7 +97,7 @@
    bash -c "$(curl -fsSL https://raw.githubusercontent.com/black7375/Firefox-UI-Fix/master/install.sh)"
    #+END_SRC
 
-   Windows users: Run powershell as administrator
+   Windows users: Run with powershell
    #+BEGIN_SRC powershell
    Powershell -c "Set-ExecutionPolicy Bypass -Scope Process -Force; [System.Net.ServicePointManager]::SecurityProtocol = [System.Net.ServicePointManager]::SecurityProtocol -bor 3072; iwr https://raw.githubusercontent.com/black7375/Firefox-UI-Fix/master/install.ps1 -useb | iex"
    #+END_SRC
@@ -167,7 +167,8 @@
   Please follow the [[https://github.com/black7375/Firefox-UI-Fix/wiki/Installation-Guide][Installation Guide]], \\
   or set =about:config='s =svg.context-properties.content.enabled= to =true= .
 
-  - *Some panel menu items doesn't show* \\
+  - *The closed button and some panel menu icons are not visible.* \\
+    [[https://user-images.githubusercontent.com/77958663/130395848-7af58241-bbbf-4273-bb62-14382c44098d.png]]
     [[https://user-images.githubusercontent.com/25581533/120487528-93b40200-c3a5-11eb-98ad-3498beb9f38e.png]]
 
   Please follow the [[https://github.com/black7375/Firefox-UI-Fix/wiki/Installation-Guide][Installation Guide]], \\
@@ -178,5 +179,5 @@
     [[https://user-images.githubusercontent.com/25581533/123761424-5746c980-d8b1-11eb-9a0f-83fb305f9f08.png]]
     [[https://user-images.githubusercontent.com/25581533/123762962-d4bf0980-d8b2-11eb-8492-d497d330c72a.png]]
 
-  I didn't put all the icons like before.\\
-  [[https://user-images.githubusercontent.com/25581533/123602947-dd4b0d80-d7e8-11eb-93a6-2b263bdd99f7.png]]
+    I didn't put all the icons like before.\\
+    [[https://user-images.githubusercontent.com/25581533/123602947-dd4b0d80-d7e8-11eb-93a6-2b263bdd99f7.png]]
diff --git a/arch-config/.mozilla/firefox/default-release/chrome/userChrome.css b/arch-config/.mozilla/firefox/default-release/chrome/userChrome.css
index 700dd106..4b7be7f4 100644
--- a/arch-config/.mozilla/firefox/default-release/chrome/userChrome.css
+++ b/arch-config/.mozilla/firefox/default-release/chrome/userChrome.css
@@ -5,25 +5,26 @@
 
 /** Default Thme - Contrast ***************************************************/
 /*= Lightmode - Color darker =================================================*/
-:root[lwtheme-mozlightdark]:not([lwthemetextcolor="bright"]), /* Legacy */
+:root[lwtheme-mozlightdark]:not([lwthemetextcolor="bright"]), /* Legacy - v96 */
 :root[style*="--lwt-accent-color: rgb(240, 240, 244); --lwt-text-color: rgba(21, 20, 26);"] {
   --lwt-accent-color: rgb(229, 229, 235) !important; /* Original: rgb(240, 240, 244) */
 }
-@media (-moz-os-version: windows-win10) {
-  :root[lwtheme-mozlightdark]:not([lwthemetextcolor="bright"]) #navigator-toolbox,  /* Legacy */
+@media (-moz-os-version: windows-win10), /* Legacy - v99 */
+       (-moz-platform: windows-win10) {
+  :root[lwtheme-mozlightdark]:not([lwthemetextcolor="bright"]) #navigator-toolbox,  /* Legacy - v96 */
   :root[style*="--lwt-accent-color: rgb(240, 240, 244); --lwt-text-color: rgba(21, 20, 26);"] {
     background-color: var(--lwt-accent-color) !important;
   }
 }
 @supports -moz-bool-pref("layout.css.osx-font-smoothing.enabled") {
-  :root[lwtheme-mozlightdark]:not([lwthemetextcolor="bright"]) #navigator-toolbox,  /* Legacy */
+  :root[lwtheme-mozlightdark]:not([lwthemetextcolor="bright"]) #navigator-toolbox,  /* Legacy - v96 */
   :root[style*="--lwt-accent-color: rgb(240, 240, 244); --lwt-text-color: rgba(21, 20, 26);"] {
     background-color: var(--lwt-accent-color) !important;
   }
 }
 
 /*= Darkmode - Color lighter =================================================*/
-:root[lwtheme-mozlightdark][lwthemetextcolor="bright"], /* Legacy */
+:root[lwtheme-mozlightdark][lwthemetextcolor="bright"], /* Legacy - v96 */
 :root[style*="--lwt-accent-color: rgb(28, 27, 34); --lwt-text-color: rgba(251, 251, 254);"] {
   --toolbar-bgcolor: rgba(43, 42, 51, 5) !important; /* Original: rgba(43, 42, 51, 1) */
 }
@@ -36,6 +37,11 @@
   border-radius: 4px;
 }
 
+/*= Remote Tabs Panel's Bottom Padding =======================================*/
+#PanelUI-remotetabs #PanelUI-remotetabs-main {
+  margin-bottom: 6px;
+}
+
 /*= Identity Popup Icon Crop =================================================*/
 .identity-popup-security-connection.identity-button {
   padding-block: 1px !important;
@@ -94,9 +100,7 @@ menu[disabled="true"] {
   }
 }
 :root[lwtheme-image] #navigator-toolbox:-moz-lwtheme {
-  background-image: var(
-    --lwt-additional-images
-  ) !important; /* Original: var(--lwt-header-image), var(--lwt-additional-images); */
+  background-image: var(--lwt-header-image), var(--lwt-additional-images) !important;
   background-repeat: var(--lwt-background-tiling) !important;
   background-position: var(--lwt-background-alignment) !important;
   background-color: unset !important; /* Original:  var(--lwt-accent-color) */
@@ -104,18 +108,21 @@ menu[disabled="true"] {
 
 /* Navbar Border */
 #navigator-toolbox:-moz-lwtheme {
-  --tabs-border-color: rgba(0, 0, 0, 0.3);
+  --tabs-border-color: rgba(0, 0, 0, 0.3); /* Legacy: v96 */
+  --lwt-tabs-border-color: rgba(0, 0, 0, 0.3);
 }
 
 /** OS - Compatibility ********************************************************/
 /*= Windows 7, 8 - Tab Bar Background *****************************************/
-@media (-moz-os-version: windows-win7), (-moz-os-version: windows-win8) {
+@media (-moz-os-version: windows-win7), (-moz-os-version: windows-win8), /* Legacy - v99 */
+       (-moz-platform: windows-win7), (-moz-platform: windows-win8) {
   /* Header Color */
   :root:not([lwtheme-image]):-moz-lwtheme {
     background-color: var(--lwt-accent-color) !important;
   }
 }
-@media (-moz-os-version: windows-win7) {
+@media (-moz-os-version: windows-win7), /* Legacy - v99 */
+       (-moz-platform: windows-win7) {
   #TabsToolbar:-moz-lwtheme {
     color: var(--lwt-text-color) !important;
   }
@@ -126,14 +133,16 @@ menu[disabled="true"] {
     background-image: unset !important;
   }
 }
-@media (-moz-os-version: windows-win8) {
+@media (-moz-os-version: windows-win8), /* Legacy - v99 */
+       (-moz-platform: windows-win8) {
   #navigator-toolbox:-moz-lwtheme {
     color: var(--lwt-text-color) !important;
   }
 }
 
 /*= Windows 7, 8 - Menu Active Color =========================================*/
-@media (-moz-os-version: windows-win7), (-moz-os-version: windows-win8) {
+@media (-moz-os-version: windows-win7), (-moz-os-version: windows-win8), /* Legacy - v99 */
+       (-moz-platform: windows-win7), (-moz-platform: windows-win8) {
   menupopup > menu,
   menupopup > menuitem,
   #context-navigation > menuitem {
@@ -150,6 +159,12 @@ menu[disabled="true"] {
     background-color: color-mix(in srgb, currentColor 20%, transparent) !important; /* Original: -moz-menuhover */
   }
 
+  menulist > menupopup > menuitem[_moz-menuactive="true"],
+  menulist > menupopup > menu[_moz-menuactive="true"] {
+    background-color: highlight !important;
+    color: highlighttext !important;
+  }
+
   #PlacesToolbar menu,
   #PlacesToolbar menuitem,
   #BMB_bookmarksPopup menu,
@@ -164,7 +179,8 @@ menu[disabled="true"] {
   }
 }
 
-@media (-moz-os-version: windows-win7) {
+@media (-moz-os-version: windows-win7), /* Legacy - v99 */
+       (-moz-platform: windows-win7) {
   menu[_moz-menuactive="true"],
   menuitem[_moz-menuactive="true"] {
     background-color: color-mix(in srgb, -moz-menuhover 5%, transparent) !important;
@@ -188,7 +204,8 @@ menu[disabled="true"] {
     color: unset !important; /* Original: black */
   }
 }
-@media (-moz-os-version: windows-win8) {
+@media (-moz-os-version: windows-win8), /* Legacy - v99 */
+       (-moz-platform: windows-win8) {
   menu[_moz-menuactive="true"],
   menuitem[_moz-menuactive="true"] {
     background-color: color-mix(in srgb, -moz-menuhover 17%, transparent) !important;
@@ -270,7 +287,8 @@ menu[disabled="true"] {
 }
 
 /*= Windows7 - Aero Based Theme ==============================================*/
-@media (-moz-os-version: windows-win7) {
+@media (-moz-os-version: windows-win7), /* Legacy - v99 */
+       (-moz-platform: windows-win7) {
   #TabsToolbar:not(:-moz-lwtheme) {
     --background-color: rgb(229, 229, 235);
   }
@@ -301,7 +319,8 @@ menu[disabled="true"] {
 }
 
 /*= Windows10 - UWP like color ===============================================*/
-@media (-moz-os-version: windows-win10) {
+@media (-moz-os-version: windows-win10), /* Legacy - v99 */
+       (-moz-platform: windows-win10) {
   :root:not(:-moz-lwtheme) {
     --win-text-color: rgba(0, 0, 0);
     --win-bgcolor: rgb(204, 204, 204);
@@ -557,7 +576,7 @@ menu[disabled="true"] {
 
   /*- Others -----------------------------------------------------------------*/
   /* For overwrite */
-  :root[lwtheme-mozlightdark]:not([lwthemetextcolor="bright"]):not(:-moz-lwtheme), /* Legacy */
+  :root[lwtheme-mozlightdark]:not([lwthemetextcolor="bright"]):not(:-moz-lwtheme), /* Legacy - lwtheme-mozlightdark at v96 */
   :root:not(:-moz-lwtheme) {
     /* Light Theme */
     --lwt-accent-color: var(--win-bgcolor) !important;
@@ -573,18 +592,18 @@ menu[disabled="true"] {
     > .tabbrowser-tab
     > .tab-stack
     > .tab-background[multiselected]:not([selected]):not(:-moz-lwtheme),
-  :root[lwtheme-mozlightdark] /* Legacy */
+  :root[lwtheme-mozlightdark] /* Legacy - lwtheme-mozlightdark at v96 */
     #tabbrowser-tabs:not([movingtab])
     > #tabbrowser-arrowscrollbox
     > .tabbrowser-tab
     > .tab-stack
     > .tab-background[multiselected]:not([selected]),
   :root:is([style*="--lwt-accent-color: rgb(240, 240, 244); --lwt-text-color: rgba(21, 20, 26);"], [style*="--lwt-accent-color: rgb(28, 27, 34); --lwt-text-color: rgba(251, 251, 254);"])
-       #tabbrowser-tabs:not([movingtab])
-                           > #tabbrowser-arrowscrollbox
-                           > .tabbrowser-tab
-                           > .tab-stack
-                           > .tab-background[multiselected]:not([selected]) {
+    #tabbrowser-tabs:not([movingtab])
+      > #tabbrowser-arrowscrollbox
+      > .tabbrowser-tab
+      > .tab-stack
+      > .tab-background[multiselected]:not([selected]) {
     background-image: linear-gradient(
         color-mix(in srgb, currentColor 11%, transparent),
         color-mix(in srgb, currentColor 11%, transparent)
@@ -789,7 +808,7 @@ menu[disabled="true"] {
   /*- Toolbar ----------------------------------------------------------------*/
   :root:not(:-moz-lwtheme) #navigator-toolbox,
   :root[lwt-default-theme-in-dark-mode] #navigator-toolbox {
-    appearance: auto !important;
+    background-color: var(--mac-bgcolor) !important;
   }
 
   :root:not(:-moz-lwtheme) #titlebar {
@@ -801,6 +820,9 @@ menu[disabled="true"] {
     --button-active-bgcolor: var(--mac-hover-bgcolor);
     --toolbarbutton-hover-background: var(--mac-hover-bgcolor);
     --toolbarbutton-active-background: var(--mac-hover-bgcolor);
+
+    /* Prevent transparent tabbar at fullscreen hover #312 */
+    background: var(--mac-bgcolor);
   }
 
   :root[lwt-default-theme-in-dark-mode] #urlbar {
@@ -843,7 +865,7 @@ menu[disabled="true"] {
   }
 
   /* Hard Coded */
-  :root[lwtheme-mozlightdark][lwt-default-theme-in-dark-mode] /* Legacy */
+  :root[lwtheme-mozlightdark][lwt-default-theme-in-dark-mode] /* Legacy - lwtheme-mozlightdark at v96 */
     #tabbrowser-tabs:not([movingtab])
     > #tabbrowser-arrowscrollbox
     > .tabbrowser-tab
@@ -923,9 +945,13 @@ menu[disabled="true"] {
   --in-content-button-vertical-padding: 7px;
 
   --in-content-table-background: #f8f8fa;
-  --in-content-table-border-dark-color: #d1d1d1;
-  --in-content-table-header-background: #0a84ff;
-  --in-content-table-header-color: #ffffff;
+  --in-content-table-border-color: var(--in-content-box-border-color); /* Legacy: #d1d1d1; rgba(249, 249, 250, 0.2) */
+  --in-content-table-header-background: var(
+    --in-content-primary-button-background
+  ); /* Legacy: #0a84ff; rgb(5, 64, 150); */
+  --in-content-table-header-color: var(
+    --in-content-primary-button-text-color
+  ); /* Legacy: #ffffff; var(--in-content-page-color); */
   --in-content-sidebar-width: 240px;
 
   --dialog-warning-text-color: var(--red-60);
@@ -1012,9 +1038,7 @@ menu[disabled="true"] {
     --in-content-danger-button-background-active: #ffdfe7;
 
     --in-content-table-background: rgb(35, 34, 43);
-    --in-content-table-border-dark-color: rgba(249, 249, 250, 0.2);
-    --in-content-table-header-background: rgb(5, 64, 150);
-    --in-content-table-header-color: var(--in-content-page-color);
+    --in-content-table-border-dark-color: var(--in-content-box-border-color);
 
     --in-content-accent-color: var(--in-content-primary-button-background);
     --in-content-accent-color-active: var(--in-content-primary-button-background-hover);
@@ -1077,8 +1101,8 @@ html#main-window menupopup {
 }
 
 /* Default theme color preservation */
-:root[lwtheme-mozlightdark] menupopup:not(#BMB_bookmarksPopup, [placespopup="true"]), /* Legacy */
-:root[lwtheme-mozlightdark] menupopup:is(#goPopup, #historyMenuPopup, #bookmarksMenuPopup), /* Legacy */
+:root[lwtheme-mozlightdark] menupopup:not(#BMB_bookmarksPopup, [placespopup="true"]), /* Legacy - lwtheme-mozlightdark at v96 */
+:root[lwtheme-mozlightdark] menupopup:is(#goPopup, #historyMenuPopup, #bookmarksMenuPopup), /* Legacy - lwtheme-mozlightdark at v96 */
 :root:is([style*="--lwt-accent-color: rgb(240, 240, 244); --lwt-text-color: rgba(21, 20, 26);"], [style*="--lwt-accent-color: rgb(28, 27, 34); --lwt-text-color: rgba(251, 251, 254);"]) menupopup:not(#BMB_bookmarksPopup, [placespopup="true"]),
 :root:is([style*="--lwt-accent-color: rgb(240, 240, 244); --lwt-text-color: rgba(21, 20, 26);"], [style*="--lwt-accent-color: rgb(28, 27, 34); --lwt-text-color: rgba(251, 251, 254);"]) menupopup:is(#goPopup, #historyMenuPopup, #bookmarksMenuPopup) {
   --menu-color: var(--toolbar-color, var(--in-content-page-color)) !important;
@@ -1643,7 +1667,10 @@ browser[type="content"] > html {
     height: 12px !important;
   }
 
-  dropmarker::part(icon) {
+  /* dropmarker::part(icon)
+   * ::part is not apply chrome
+   */
+  dropmarker[exportparts="icon: dropmarker-icon"] {
     list-style-image: url("chrome://global/skin/icons/arrow-down.svg") !important;
     -moz-context-properties: fill !important;
     fill: currentColor !important;
@@ -1739,7 +1766,7 @@ browser[type="content"] > html {
     border-bottom-left-radius: 0 !important;
     border-bottom-right-radius: 0 !important;
     padding-bottom: 1px !important;
-    box-shadow: inset 0 -1px var(--in-content-border-color) !important;
+    box-shadow: inset 0 -1px var(--in-content-table-border-color) !important;
     overflow: clip !important; /* Clip border-radius */
   }
 
@@ -1806,7 +1833,8 @@ browser[type="content"] > html {
   }
 
   /*- Each OS ----------------------------------------------------------------*/
-  @media (-moz-os-version: windows-win7), (-moz-os-version: windows-win8), (-moz-os-version: windows-win10) {
+  @media (-moz-os-version: windows-win7), (-moz-os-version: windows-win8), (-moz-os-version: windows-win10), /* Legacy - v99 */
+         (-moz-platform: windows-win7), (-moz-platform: windows-win8), (-moz-platform: windows-win10) {
     xul|checkbox,
     xul|radio {
       padding-inline-start: 0 !important;
@@ -1876,11 +1904,8 @@ browser[type="content"] > html {
 /*= Delete Cert ==============================================================*/
 @-moz-document url("chrome://pippki/content/deletecert.xhtml")
 {
-  :root {
-    --in-content-border-color: color-mix(in srgb, currentColor 41%, transparent) !important;
-  }
   #certlist {
-    border: 1px solid var(--in-content-border-color) !important;
+    border: 1px solid var(--in-content-table-border-color) !important;
     border-radius: 4px !important;
   }
 }
@@ -1888,9 +1913,6 @@ browser[type="content"] > html {
 /*= Cert Exeption Dialog =====================================================*/
 @-moz-document url("chrome://pippki/content/exceptionDialog.xhtml")
 {
-  :root {
-    --in-content-border-color: color-mix(in srgb, currentColor 41%, transparent) !important;
-  }
   #locationTextBox {
     appearance: none !important;
     border: 1px solid var(--in-content-box-border-color) !important;
@@ -2016,7 +2038,7 @@ browser[type="content"] > html {
     -moz-appearance: none !important;
     color: var(--in-content-table-header-color) !important;
     background: var(--in-content-table-header-background) !important;
-    border: 1px solid var(--in-content-border-color) !important;
+    border: 1px solid var(--in-content-table-border-color) !important;
     padding: 4px !important;
     border-spacing: 0;
 
@@ -2028,7 +2050,7 @@ browser[type="content"] > html {
     -moz-appearance: none !important;
     color: var(--in-content-text-color) !important;
     background-color: var(--in-content-table-background) !important;
-    border: 1px solid var(--in-content-border-color) !important;
+    border: 1px solid var(--in-content-table-border-color) !important;
   }
 
   treechildren::-moz-tree-row(odd) {
@@ -2044,7 +2066,7 @@ browser[type="content"] > html {
   }
 
   treechildren::-moz-tree-cell {
-    border-inline: 1px solid var(--in-content-border-color) !important;
+    border-inline: 1px solid var(--in-content-table-border-color) !important;
     border-spacing: 0 !important;
     padding: 4px !important;
     margin: 0 !important;
@@ -2075,7 +2097,7 @@ browser[type="content"] > html {
   #topBar,
   #imagecontainerbox,
   #permList {
-    border-color: var(--in-content-border-color) !important;
+    border-color: var(--in-content-table-border-color) !important;
   }
 }
 
@@ -2675,6 +2697,32 @@ menuitem.openintabs-menuitem,
     transition-delay: 0s, 0s, 0.25s !important;
   }
 
+  /*- Full Screen ------------------------------------------------------------*/
+  #navigator-toolbox {
+    /* Full screen out */
+    transition: margin-top 1s ease;
+  }
+  #navigator-toolbox[inFullscreen="true"] {
+    /* Full screen enter */
+    animation-duration: 1s;
+    animation-name: fullscreen;
+    animation-timing-function: ease;
+
+    /* Full screen navbar not hover */
+    transition: margin-top 0.3s var(--animation-easing-function) 50ms;
+  }
+  #navigator-toolbox[inFullscreen="true"]:hover {
+    transition-duration: 1.5s;
+    transition-delay: 0.1s;
+  }
+
+  @keyframes fullscreen {
+    from {
+      margin-top: 0;
+    }
+    /* Dont' use `to`: Depending on density */
+  }
+
   /*- Expand - Synced Tabs ---------------------------------------------------*/
   @-moz-document url("chrome://browser/content/syncedtabs/sidebar.xhtml")
   {
@@ -2763,6 +2811,11 @@ menuitem.openintabs-menuitem,
   --arrowpanel-menuitem-padding: 8px !important; /* Original: 8px */
 }
 
+.tab-content[pinned] {
+  --inline-tab-padding: 8px; /* Prevent overflow pinned tab's divide line not aligned */
+  padding-inline: var(--inline-tab-padding) !important;
+}
+
 /* Fix Tab bar button radious */
 #TabsToolbar .toolbarbutton-1 > .toolbarbutton-icon,
 #TabsToolbar .toolbarbutton-1 > .toolbarbutton-text,
@@ -2856,19 +2909,24 @@ menuitem.openintabs-menuitem,
 
 /* Toolbar Height */
 #TabsToolbar {
-  --tab-min-height: 33px !important;
-  --toolbarbutton-inner-padding: unset !important;
+  --tab-min-height: 33px;
+  --toolbarbutton-inner-padding: calc((var(--tab-min-height) - 18px) / 2) !important; /* Prevent overflow pinned tab bottom margin */
 }
 :root[uidensity="compact"] #TabsToolbar {
-  --tab-min-height: 29px !important;
+  --tab-min-height: 29px;
 }
 :root[uidensity="touch"] #TabsToolbar {
-  --tab-min-height: 41px !important;
+  --tab-min-height: 41px;
 }
-#tabbrowser-tabs,
-#tabbrowser-arrowscrollbox,
-#tabbrowser-tabs[positionpinnedtabs] > #tabbrowser-arrowscrollbox > .tabbrowser-tab[pinned] {
-  min-height: var(--tab-min-height) !important;
+
+:root:not([uidensity="compact"]) #tabbrowser-arrowscrollbox,
+#tabbrowser-arrowscrollbox[overflowing="true"] > .tabbrowser-tab[pinned="true"],
+#tabbrowser-arrowscrollbox[overflowing="true"] > .tabbrowser-tab[pinned="true"] .tab-stack,
+#tabbrowser-arrowscrollbox[overflowing="true"] > .tabbrowser-tab[pinned="true"] .tab-content {
+  max-height: var(--tab-min-height) !important; /* Force apply height */
+}
+:root[uidensity="compact"] #tabbrowser-arrowscrollbox {
+  height: var(--tab-min-height) !important;
 }
 
 /* Top Margin */
@@ -3025,6 +3083,11 @@ menupopup > menu {
   padding-block: var(--menu-padding) !important;
 }
 
+#ContentSelectDropdown > menupopup > menucaption,
+#ContentSelectDropdown > menupopup > menuitem {
+  padding-block: 0 !important;
+}
+
 @supports not -moz-bool-pref("layout.css.osx-font-smoothing.enabled") {
   :root:not([uidensity="touch"]) .menu-text,
   :root:not([uidensity="touch"]) .menu-iconic-text {
@@ -3041,7 +3104,8 @@ menupopup > menu {
   }
 }
 
-@media (-moz-os-version: windows-win7), (-moz-os-version: windows-win8) {
+@media (-moz-os-version: windows-win7), (-moz-os-version: windows-win8), /* Legacy - v99 */
+       (-moz-platform: windows-win7), (-moz-platform: windows-win8) {
   /* Remove border */
   menupopup > menuitem,
   menupopup > menu {
@@ -3183,8 +3247,8 @@ menupopup > menu {
 #tabbrowser-tabs {
   z-index: 1 !important;
 }
-#tabbrowser-arrowscrollbox[overflowing] .tabbrowser-tab[pinned]:is([visuallyselected], [multiselected]) {
-  overflow: hidden;
+#TabsToolbar {
+  overflow: hidden;   /* Prevent toolbar area over */
 }
 
 /** Selected Tab - Color like toolbar *****************************************/
@@ -3224,11 +3288,13 @@ menupopup > menu {
 }
 
 /** Selected Tab - Photon like contextline ************************************/
-:root[lwtheme-mozlightdark] #tabbrowser-tabs {
+:root[lwtheme-mozlightdark] #tabbrowser-tabs, /* Legacy: v96 */
+:root[style*="--lwt-accent-color: rgb(240, 240, 244); --lwt-text-color: rgba(21, 20, 26);"],
+:root[style*="--lwt-accent-color: rgb(28, 27, 34); --lwt-text-color: rgba(251, 251, 254);"] {
   --tab-line-color: rgb(10, 132, 255) !important;
 }
 @media (-moz-gtk-csd-available) {
-  :root[lwtheme-mozlightdark]:not(:-moz-lwtheme) #tabbrowser-tabs {
+  :root:not(:-moz-lwtheme) #tabbrowser-tabs {
     --tab-line-color: Highlight !important; /* -moz-accent-color */
   }
 }
@@ -3263,8 +3329,17 @@ menupopup > menu {
 .tabbrowser-tab[usercontextid] .tab-context-line {
   --identity-icon-color: none;
 }
-:root:not([customizing="true"]) #TabsToolbar[brighttext] tab[visuallyselected] > stack::before,
-:root:not([customizing="true"]) #TabsToolbar[brighttext] tab[visuallyselected] > stack::after {
+
+:root:not([customizing="true"]):is([lwtheme-mozlightdark], [style*="--lwt-accent-color: rgb(28, 27, 34); --lwt-text-color: rgba(251, 251, 254);"]) /* Legacy - lwtheme-mozlightdark at v96 */
+  #TabsToolbar[brighttext]
+  #tabbrowser-tabs:not([noshadowfortests])
+  tab[visuallyselected]
+  > stack:-moz-lwtheme::before,
+:root:not([customizing="true"]):is([lwtheme-mozlightdark], [style*="--lwt-accent-color: rgb(28, 27, 34); --lwt-text-color: rgba(251, 251, 254);"]) /* Legacy - lwtheme-mozlightdark at v96 */
+  #TabsToolbar[brighttext]
+  #tabbrowser-tabs:not([noshadowfortests])
+  tab[visuallyselected]
+  > stack:-moz-lwtheme::after {
   /* As Selected Tab - Box Shadow */
   stroke: var(--toolbar-color) !important;
 }
@@ -3303,42 +3378,36 @@ menupopup > menu {
 }
 
 /** Unselected Tab - Divide line **********************************************/
-.tabbrowser-tab[first-visible-tab]::before,
-.tabbrowser-tab::after,
-#tabbrowser-tabs[movingtab] > #tabbrowser-arrowscrollbox > .tabbrowser-tab[visuallyselected]::before {
+.tab-background::after {
+  /* Box Model */
   content: "";
   display: block;
-}
-.tabbrowser-tab::before,
-.tabbrowser-tab::after {
-  --tab-divide-line: 1px solid var(--lwt-background-tab-separator-color, currentColor);
-  border-left: var(--tab-divide-line) !important;
-  margin-block: 5px 4px !important;
-  opacity: 0.3 !important;
-}
-.tabbrowser-tab::before {
-  margin-inline-start: -1px !important;
+  position: absolute;
+
+  /* Position */
+  top: 50%;
+  right: 0;
+  transform:  translateY(calc(-50% + 1px)) !important;
+
+  /* Bar shape */
+  width: 1px;
+  height: 100%;
+
+  /* Bar Color */
+  opacity: 0.3;
+  background-color: var(--lwt-background-tab-separator-color, currentColor) !important;
 }
 
-.tabbrowser-tab[first-visible-tab]::before,
-:root[tabsintitlebar]:not([extradragspace]) #toolbar-menubar[autohide="true"] + #TabsToolbar .tabbrowser-tab::after,
-.tabbrowser-tab:hover::after,
-#tabbrowser-tabs:not([movingtab]) > #tabbrowser-arrowscrollbox > .tabbrowser-tab[beforehovered]::after,
-.tabbrowser-tab[multiselected]::after,
-#tabbrowser-tabs:not([movingtab]) > #tabbrowser-arrowscrollbox > .tabbrowser-tab[before-multiselected]::after {
-  margin-top: var(--tabs-top-border-width) !important;
-  margin-bottom: 0 !important;
+.tabbrowser-tab[visuallyselected] .tab-background::after,
+.tabbrowser-tab[beforeselected-visible] .tab-background::after {
+  opacity: 0;
 }
 
-/* Selected - Hide */
-.tabbrowser-tab[first-visible-tab][visuallyselected]::before,
-#tabbrowser-tabs:not([movingtab]) > #tabbrowser-arrowscrollbox > .tabbrowser-tab[beforeselected-visible]::after,
-#tabbrowser-tabs[movingtab] > #tabbrowser-arrowscrollbox > .tabbrowser-tab[visuallyselected]::before,
-.tabbrowser-tab[visuallyselected]::after {
-  border-color: var(--tabs-border-color) !important;
-  margin-top: 0 !important;
-  margin-bottom: 0 !important;
-  opacity: 1 !important;
+/* Animate */
+@media (prefers-reduced-motion: no-preference) {
+  .tab-background::after {
+    transition: opacity 0.2s var(--animation-easing-function); /* cubic-bezier(.07, .95, 0, 1) */
+  }
 }
 
 /** New tab button - Smaller button *******************************************/
@@ -4424,7 +4493,8 @@ menupopup:is(#context_sendTabToDevicePopupMenu, #context-sendpagetodevice-popup)
 }
 
 /* Padding - Windows */
-@media (-moz-os-version: windows-win7), (-moz-os-version: windows-win8), (-moz-os-version: windows-win10) {
+@media (-moz-os-version: windows-win7), (-moz-os-version: windows-win8), (-moz-os-version: windows-win10), /* Legacy - v99 */
+       (-moz-platform: windows-win7), (-moz-platform: windows-win8), (-moz-platform: windows-win10) {
   /* Checkbox */
   :root {
     --context-menu-text-padding: calc(var(--menu-padding) + var(--context-menu-background-padding-default) + 16px);
@@ -4437,17 +4507,20 @@ menupopup:is(#context_sendTabToDevicePopupMenu, #context-sendpagetodevice-popup)
   }
 }
 
-@media (-moz-os-version: windows-win7) {
+@media (-moz-os-version: windows-win7), /* Legacy - v99 */
+       (-moz-platform: windows-win7) {
   :root {
     --context-menu-background-padding-default: 2px;
   }
 }
-@media (-moz-os-version: windows-win8) {
+@media (-moz-os-version: windows-win8), /* Legacy - v99 */
+       (-moz-platform: windows-win8) {
   :root {
     --context-menu-background-padding-default: 3px;
   }
 }
-@media (-moz-os-version: windows-win7), (-moz-os-version: windows-win8) {
+@media (-moz-os-version: windows-win7), (-moz-os-version: windows-win8), /* Legacy - v99 */
+       (-moz-platform: windows-win7), (-moz-platform: windows-win8) {
   :not(menu, #ContentSelectDropdown, #context-navigation)
     > menupopup
     > menuitem:not(.menuitem-iconic, [type="checkbox"], [checked="true"], .in-menulist),
@@ -4466,7 +4539,8 @@ menupopup:is(#context_sendTabToDevicePopupMenu, #context-sendpagetodevice-popup)
     padding-inline-start: 0 !important;
   }
 }
-@media (-moz-os-version: windows-win10) {
+@media (-moz-os-version: windows-win10), /* Legacy - v99 */
+       (-moz-platform: windows-win10) {
   :root {
     --context-menu-background-padding: 1em;
     --context-menu-text-padding: 24px; /* 16px + 8px */
@@ -4552,7 +4626,8 @@ menupopup menupopup[emptyplacesresult] .menu-text,
 }
 
 /* Windows 7, 8 */
-@media (-moz-os-version: windows-win7), (-moz-os-version: windows-win8) {
+@media (-moz-os-version: windows-win7), (-moz-os-version: windows-win8), /* Legacy - v99 */
+       (-moz-platform: windows-win7), (-moz-platform: windows-win8) {
   /* Global Menu */
   menupopup:is(#goPopup, #historyMenuPopup, #bookmarksMenuPopup) .bookmark-item {
     padding-inline-start: 0 !important;
@@ -4581,7 +4656,8 @@ menupopup menupopup[emptyplacesresult] .menu-text,
 }
 
 /* Windows */
-@media (-moz-os-version: windows-win10) {
+@media (-moz-os-version: windows-win10), /* Legacy - v99 */
+       (-moz-platform: windows-win10) {
   /* Bookmark Popup - None icon menu */
   menupopup:is(#BMB_bookmarksPopup) menuitem:not(.menuitem-iconic, [disabled="true"]),
   menupopup:is(#BMB_bookmarksPopup) menu:not(.menu-iconic),
diff --git a/arch-config/.mozilla/firefox/default-release/chrome/userContent.css b/arch-config/.mozilla/firefox/default-release/chrome/userContent.css
index d1819823..63572ae0 100644
--- a/arch-config/.mozilla/firefox/default-release/chrome/userContent.css
+++ b/arch-config/.mozilla/firefox/default-release/chrome/userContent.css
@@ -315,9 +315,13 @@
   --in-content-button-vertical-padding: 7px;
 
   --in-content-table-background: #f8f8fa;
-  --in-content-table-border-dark-color: #d1d1d1;
-  --in-content-table-header-background: #0a84ff;
-  --in-content-table-header-color: #ffffff;
+  --in-content-table-border-color: var(--in-content-box-border-color); /* Legacy: #d1d1d1; rgba(249, 249, 250, 0.2) */
+  --in-content-table-header-background: var(
+    --in-content-primary-button-background
+  ); /* Legacy: #0a84ff; rgb(5, 64, 150); */
+  --in-content-table-header-color: var(
+    --in-content-primary-button-text-color
+  ); /* Legacy: #ffffff; var(--in-content-page-color); */
   --in-content-sidebar-width: 240px;
 
   --dialog-warning-text-color: var(--red-60);
@@ -405,9 +409,7 @@
     --in-content-danger-button-background-active: #ffdfe7;
 
     --in-content-table-background: rgb(35, 34, 43);
-    --in-content-table-border-dark-color: rgba(249, 249, 250, 0.2);
-    --in-content-table-header-background: rgb(5, 64, 150);
-    --in-content-table-header-color: var(--in-content-page-color);
+    --in-content-table-border-dark-color: var(--in-content-box-border-color);
 
     --in-content-accent-color: var(--in-content-primary-button-background);
     --in-content-accent-color-active: var(--in-content-primary-button-background-hover);
@@ -1203,7 +1205,7 @@
                  url-prefix("about:cache"),
                  url-prefix("about:checkerboard") {
   table {
-    border: 1px solid var(--in-content-border-color) !important;
+    border: 1px solid var(--in-content-table-border-color) !important;
     border-radius: 0 !important;
   }
 }
@@ -1211,7 +1213,7 @@
                  url-prefix("about:checkerboard") {
   th,
   td {
-    border: 1px solid var(--in-content-border-color) !important;
+    border: 1px solid var(--in-content-table-border-color) !important;
   }
   th {
     background-color: var(--in-content-table-header-background) !important;
@@ -1568,7 +1570,8 @@
   }
 
   /* Padding - Windows */
-  @media (-moz-os-version: windows-win7), (-moz-os-version: windows-win8), (-moz-os-version: windows-win10) {
+  @media (-moz-os-version: windows-win7), (-moz-os-version: windows-win8), (-moz-os-version: windows-win10), /* Legacy - v99 */
+         (-moz-platform: windows-win7), (-moz-platform: windows-win8), (-moz-platform: windows-win10) {
     /* Checkbox */
     :root {
       --context-menu-text-padding: calc(var(--menu-padding) + var(--context-menu-background-padding-default) + 16px);
@@ -1581,17 +1584,20 @@
     }
   }
 
-  @media (-moz-os-version: windows-win7) {
+  @media (-moz-os-version: windows-win7), /* Legacy - v99 */
+         (-moz-platform: windows-win7) {
     :root {
       --context-menu-background-padding-default: 2px;
     }
   }
-  @media (-moz-os-version: windows-win8) {
+  @media (-moz-os-version: windows-win8), /* Legacy - v99 */
+         (-moz-platform: windows-win8) {
     :root {
       --context-menu-background-padding-default: 3px;
     }
   }
-  @media (-moz-os-version: windows-win7), (-moz-os-version: windows-win8) {
+  @media (-moz-os-version: windows-win7), (-moz-os-version: windows-win8), /* Legacy - v99 */
+         (-moz-platform: windows-win7), (-moz-platform: windows-win8) {
     #placesContext menuitem:not(.menuitem-iconic, .in-menulist, [type="checkbox"], [checked="true"]),
     #placesContext menu:not(.menu-iconic, .in-menulist, [type="checkbox"], [checked="true"]),
     menupopup:is(#organizeButtonPopup, #maintenanceButtonPopup) > menuitem,
@@ -1600,7 +1606,8 @@
       padding-inline-start: 0 !important;
     }
   }
-  @media (-moz-os-version: windows-win10) {
+  @media (-moz-os-version: windows-win10), /* Legacy - v99 */
+         (-moz-platform: windows-win10) {
     :root {
       --context-menu-background-padding: 1em;
       --context-menu-text-padding: 24px; /* 16px + 8px */
diff --git a/arch-config/.mozilla/firefox/default-release/prefs.js b/arch-config/.mozilla/firefox/default-release/prefs.js
index b8bef8ed..49c5e3a1 100644
--- a/arch-config/.mozilla/firefox/default-release/prefs.js
+++ b/arch-config/.mozilla/firefox/default-release/prefs.js
@@ -16,25 +16,23 @@ user_pref("app.normandy.startupRolloutPrefs.browser.migrate.showBookmarksToolbar
 user_pref("app.normandy.startupRolloutPrefs.extensions.formautofill.creditCards.available", true);
 user_pref("app.normandy.startupRolloutPrefs.extensions.formautofill.creditCards.enabled", true);
 user_pref("app.normandy.startupRolloutPrefs.extensions.formautofill.creditCards.hideui", false);
-user_pref("app.normandy.startupRolloutPrefs.fission.experiment.enrollmentStatus", 4);
 user_pref("app.normandy.startupRolloutPrefs.media.peerconnection.mtransport_process", true);
 user_pref("app.normandy.startupRolloutPrefs.media.videocontrols.picture-in-picture.video-toggle.mode", 2);
-user_pref("app.normandy.startupRolloutPrefs.network.cookie.sameSite.schemeful", false);
 user_pref("app.normandy.startupRolloutPrefs.network.process.enabled", true);
 user_pref("app.normandy.startupRolloutPrefs.pdfjs.renderInteractiveForms", true);
 user_pref("app.normandy.startupRolloutPrefs.security.bad_cert_domain_error.url_fix_enabled", true);
 user_pref("app.normandy.startupRolloutPrefs.security.remote_settings.intermediates.downloads_per_poll", 3000);
 user_pref("app.normandy.user_id", "e43b400f-0f20-4ae3-9dfa-ee00b787e18a");
-user_pref("app.update.lastUpdateTime.addon-background-update-timer", 1642605519);
+user_pref("app.update.lastUpdateTime.addon-background-update-timer", 1645969525);
 user_pref("app.update.lastUpdateTime.blocklist-background-update-timer", 1588944333);
-user_pref("app.update.lastUpdateTime.browser-cleanup-thumbnails", 1642604919);
-user_pref("app.update.lastUpdateTime.recipe-client-addon-run", 1642605279);
-user_pref("app.update.lastUpdateTime.region-update-timer", 1642507543);
-user_pref("app.update.lastUpdateTime.rs-experiment-loader-timer", 1642605039);
-user_pref("app.update.lastUpdateTime.search-engine-update-timer", 1642605159);
-user_pref("app.update.lastUpdateTime.services-settings-poll-changes", 1642605399);
-user_pref("app.update.lastUpdateTime.telemetry_modules_ping", 1642507663);
-user_pref("app.update.lastUpdateTime.xpi-signature-verification", 1642605639);
+user_pref("app.update.lastUpdateTime.browser-cleanup-thumbnails", 1645969045);
+user_pref("app.update.lastUpdateTime.recipe-client-addon-run", 1645969285);
+user_pref("app.update.lastUpdateTime.region-update-timer", 1645785212);
+user_pref("app.update.lastUpdateTime.rs-experiment-loader-timer", 1645969021);
+user_pref("app.update.lastUpdateTime.search-engine-update-timer", 1645969165);
+user_pref("app.update.lastUpdateTime.services-settings-poll-changes", 1645969405);
+user_pref("app.update.lastUpdateTime.telemetry_modules_ping", 1645785332);
+user_pref("app.update.lastUpdateTime.xpi-signature-verification", 1645969645);
 user_pref("browser.aboutConfig.showWarning", false);
 user_pref("browser.bookmarks.defaultLocation", "unfiled");
 user_pref("browser.bookmarks.editDialog.confirmationHintShowCount", 3);
@@ -56,7 +54,7 @@ user_pref("browser.engagement.downloads-button.has-used", true);
 user_pref("browser.engagement.home-button.has-used", true);
 user_pref("browser.laterrun.bookkeeping.profileCreationTime", 1582977688);
 user_pref("browser.laterrun.bookkeeping.sessionCount", 51);
-user_pref("browser.migration.version", 121);
+user_pref("browser.migration.version", 122);
 user_pref("browser.newtab.extensionControlled", true);
 user_pref("browser.newtab.privateAllowed", false);
 user_pref("browser.newtabpage.activity-stream.impressionId", "{2ddf8150-1c1e-4ecb-a0d9-96b414a6c705}");
@@ -67,24 +65,25 @@ user_pref("browser.newtabpage.storageVersion", 1);
 user_pref("browser.pageActions.persistedActions", "{\"version\":1,\"ids\":[\"bookmark\",\"jid0-3guet1r69sqnsrca5p8kx9ezc3u_jetpack\",\"_testpilot-containers\"],\"idsInUrlbar\":[\"jid0-3guet1r69sqnsrca5p8kx9ezc3u_jetpack\",\"_testpilot-containers\",\"bookmark\"],\"idsInUrlbarPreProton\":[\"bookmark\"]}");
 user_pref("browser.pagethumbnails.storage_version", 3);
 user_pref("browser.protections_panel.infoMessage.seen", true);
+user_pref("browser.proton.enabled", true);
 user_pref("browser.proton.places-tooltip.enabled", true);
 user_pref("browser.proton.toolbar.version", 3);
-user_pref("browser.region.update.updated", 1642507544);
+user_pref("browser.region.update.updated", 1645785212);
 user_pref("browser.rights.3.shown", true);
-user_pref("browser.safebrowsing.provider.google4.lastupdatetime", "1642604903055");
-user_pref("browser.safebrowsing.provider.google4.nextupdatetime", "1642606705055");
-user_pref("browser.safebrowsing.provider.mozilla.lastupdatetime", "1642604905609");
-user_pref("browser.safebrowsing.provider.mozilla.nextupdatetime", "1642626505609");
+user_pref("browser.safebrowsing.provider.google4.lastupdatetime", "1645970730848");
+user_pref("browser.safebrowsing.provider.google4.nextupdatetime", "1645972538848");
+user_pref("browser.safebrowsing.provider.mozilla.lastupdatetime", "1645968917250");
+user_pref("browser.safebrowsing.provider.mozilla.nextupdatetime", "1645990517250");
 user_pref("browser.search.region", "CH");
 user_pref("browser.sessionstore.upgradeBackup.latestBuildID", "20211121002925");
 user_pref("browser.shell.checkDefaultBrowser", true);
-user_pref("browser.shell.mostRecentDateSetAsDefault", "1642604892");
+user_pref("browser.shell.mostRecentDateSetAsDefault", "1645969018");
 user_pref("browser.slowStartup.averageTime", 614);
 user_pref("browser.slowStartup.samples", 2);
 user_pref("browser.startup.couldRestoreSession.count", 1);
-user_pref("browser.startup.homepage_override.buildID", "20220115121545");
-user_pref("browser.startup.homepage_override.mstone", "96.0.1");
-user_pref("browser.startup.lastColdStartupCheck", 1642604892);
+user_pref("browser.startup.homepage_override.buildID", "20220218000556");
+user_pref("browser.startup.homepage_override.mstone", "97.0.1");
+user_pref("browser.startup.lastColdStartupCheck", 1645969018);
 user_pref("browser.startup.upgradeDialog.version", 94);
 user_pref("browser.theme.content-theme", 0);
 user_pref("browser.theme.toolbar-theme", 0);
@@ -107,13 +106,16 @@ user_pref("devtools.debugger.prefs-schema-version", 11);
 user_pref("devtools.debugger.start-panel-size", 494);
 user_pref("devtools.everOpened", true);
 user_pref("devtools.netmonitor.columnsData", "[{\"name\":\"status\",\"minWidth\":30,\"width\":6.67},{\"name\":\"method\",\"minWidth\":30,\"width\":6.67},{\"name\":\"domain\",\"minWidth\":30,\"width\":13.33},{\"name\":\"file\",\"minWidth\":30,\"width\":33.33},{\"name\":\"url\",\"minWidth\":30,\"width\":25},{\"name\":\"cause\",\"minWidth\":30,\"width\":13.33},{\"name\":\"type\",\"minWidth\":30,\"width\":6.67},{\"name\":\"transferred\",\"minWidth\":30,\"width\":13.33},{\"name\":\"contentSize\",\"minWidth\":30,\"width\":6.67},{\"name\":\"waterfall\",\"minWidth\":150,\"width\":25}]");
+user_pref("devtools.theme.show-auto-theme-info", false);
 user_pref("devtools.toolbox.footer.height", 382);
+user_pref("devtools.toolbox.host", "right");
+user_pref("devtools.toolbox.previousHost", "bottom");
 user_pref("devtools.toolbox.splitconsoleEnabled", true);
 user_pref("devtools.toolsidebar-height.inspector", 350);
 user_pref("devtools.toolsidebar-width.inspector", 700);
-user_pref("devtools.toolsidebar-width.inspector.splitsidebar", 350);
+user_pref("devtools.toolsidebar-width.inspector.splitsidebar", 250);
 user_pref("distribution.archlinux.bookmarksProcessed", true);
-user_pref("distribution.iniFile.exists.appversion", "96.0.1");
+user_pref("distribution.iniFile.exists.appversion", "97.0.1");
 user_pref("distribution.iniFile.exists.value", true);
 user_pref("doh-rollout.balrog-migration-done", true);
 user_pref("doh-rollout.disable-heuristics", true);
@@ -128,15 +130,15 @@ user_pref("extensions.activeThemeID", "firefox-compact-dark@mozilla.org");
 user_pref("extensions.blocklist.lastModified", "Fri, 28 Feb 2020 19:02:07 GMT");
 user_pref("extensions.blocklist.pingCountTotal", 2);
 user_pref("extensions.blocklist.pingCountVersion", -1);
-user_pref("extensions.databaseSchema", 34);
+user_pref("extensions.databaseSchema", 35);
 user_pref("extensions.fxmonitor.enabled", false);
 user_pref("extensions.fxmonitor.firstAlertShown", true);
-user_pref("extensions.getAddons.cache.lastUpdate", 1642605520);
+user_pref("extensions.getAddons.cache.lastUpdate", 1645969526);
 user_pref("extensions.getAddons.databaseSchema", 6);
 user_pref("extensions.incognito.migrated", true);
-user_pref("extensions.lastAppBuildId", "20220115121545");
-user_pref("extensions.lastAppVersion", "96.0.1");
-user_pref("extensions.lastPlatformVersion", "96.0.1");
+user_pref("extensions.lastAppBuildId", "20220218000556");
+user_pref("extensions.lastAppVersion", "97.0.1");
+user_pref("extensions.lastPlatformVersion", "97.0.1");
 user_pref("extensions.pendingOperations", false);
 user_pref("extensions.pictureinpicture.enable_picture_in_picture_overrides", true);
 user_pref("extensions.reset_default_search.runonce.3", true);
@@ -161,8 +163,10 @@ user_pref("extensions.webextensions.ExtensionStorageIDB.migrated.jid1-KKzOGWgsW3
 user_pref("extensions.webextensions.ExtensionStorageIDB.migrated.jid1-MnnxcxisBPnSXQ@jetpack", true);
 user_pref("extensions.webextensions.ExtensionStorageIDB.migrated.languagetool-webextension@languagetool.org", true);
 user_pref("extensions.webextensions.ExtensionStorageIDB.migrated.screenshots@mozilla.org", true);
+user_pref("extensions.webextensions.ExtensionStorageIDB.migrated.sponsorBlocker@ajay.app", true);
 user_pref("extensions.webextensions.ExtensionStorageIDB.migrated.tridactyl.vim@cmcaine.co.uk", true);
 user_pref("extensions.webextensions.ExtensionStorageIDB.migrated.uBlock0@raymondhill.net", true);
+user_pref("extensions.webextensions.ExtensionStorageIDB.migrated.wayback_machine@mozilla.org", true);
 user_pref("extensions.webextensions.ExtensionStorageIDB.migrated.{1be309c5-3e4f-4b99-927d-bb500eb4fa88}", true);
 user_pref("extensions.webextensions.ExtensionStorageIDB.migrated.{446900e4-71c2-419f-a6a7-df9c091e268b}", true);
 user_pref("extensions.webextensions.ExtensionStorageIDB.migrated.{529b261b-df0b-4e3b-bf42-07b462da0ee8}", true);
@@ -176,7 +180,6 @@ user_pref("extensions.webextensions.uuids", "{\"doh-rollout@mozilla.org\":\"9462
 user_pref("fission.experiment.max-origins.last-disqualified", 0);
 user_pref("fission.experiment.max-origins.last-qualified", 1626291179);
 user_pref("fission.experiment.max-origins.qualified", true);
-user_pref("fission.experiment.startupEnrollmentStatus", 4);
 user_pref("font.internaluseonly.changed", false);
 user_pref("general.smoothScroll.currentVelocityWeighting", "0.12");
 user_pref("general.smoothScroll.durationToIntervalRatio", 1000);
@@ -204,10 +207,10 @@ user_pref("general.smoothScroll.stopDecelerationWeighting", "0.6");
 user_pref("gfx.blacklist.webrender.failureid", "FEATURE_FAILURE_DDX_INTEL");
 user_pref("identity.fxaccounts.account.device.name", "marc’s Firefox on arco-main");
 user_pref("identity.fxaccounts.account.telemetry.sanitized_uid", "7d43bb2e98e00c17c235782ba1e87861");
-user_pref("identity.fxaccounts.commands.missed.last_fetch", 1642450203);
+user_pref("identity.fxaccounts.commands.missed.last_fetch", 1645969635);
 user_pref("identity.fxaccounts.lastSignedInUserHash", "8BRA9+6sRIqGXRuNxzfOnvsueJGliFd7TfEFww9llO8=");
 user_pref("identity.fxaccounts.toolbar.accessed", true);
-user_pref("idle.lastDailyNotification", 1642605278);
+user_pref("idle.lastDailyNotification", 1645969341);
 user_pref("layout.css.backdrop-filter.enabled", true);
 user_pref("layout.css.color-mix.enabled", true);
 user_pref("media.benchmark.vp9.fps", 256);
@@ -216,8 +219,8 @@ user_pref("media.eme.enabled", true);
 user_pref("media.gmp-gmpopenh264.abi", "x86_64-gcc3");
 user_pref("media.gmp-gmpopenh264.lastUpdate", 1582977815);
 user_pref("media.gmp-gmpopenh264.version", "1.8.1.1");
-user_pref("media.gmp-manager.buildID", "20220115121545");
-user_pref("media.gmp-manager.lastCheck", 1642604957);
+user_pref("media.gmp-manager.buildID", "20220218000556");
+user_pref("media.gmp-manager.lastCheck", 1645969181);
 user_pref("media.gmp-widevinecdm.abi", "x86_64-gcc3");
 user_pref("media.gmp-widevinecdm.lastUpdate", 1638427846);
 user_pref("media.gmp-widevinecdm.version", "4.10.2391.0");
@@ -246,7 +249,7 @@ user_pref("pdfjs.enabledCache.state", true);
 user_pref("pdfjs.migrationVersion", 2);
 user_pref("pdfjs.previousHandler.alwaysAskBeforeHandling", true);
 user_pref("pdfjs.previousHandler.preferredAction", 4);
-user_pref("places.database.lastMaintenance", 1642605278);
+user_pref("places.database.lastMaintenance", 1645786695);
 user_pref("places.history.expiration.transient_current_max_pages", 112348);
 user_pref("pref.general.disable_button.default_browser", false);
 user_pref("print.print_bgcolor", false);
@@ -319,51 +322,52 @@ user_pref("privacy.userContext.enabled", true);
 user_pref("privacy.userContext.extension", "@testpilot-containers");
 user_pref("privacy.userContext.longPressBehavior", 2);
 user_pref("privacy.userContext.ui.enabled", true);
-user_pref("security.remote_settings.crlite_filters.checked", 1642605398);
-user_pref("security.remote_settings.intermediates.checked", 1642605398);
+user_pref("security.remote_settings.crlite_filters.checked", 1645969405);
+user_pref("security.remote_settings.intermediates.checked", 1645969405);
 user_pref("security.sandbox.content.tempDirSuffix", "23a0c268-bdab-44ee-9171-944e4f07b8d5");
 user_pref("security.sandbox.plugin.tempDirSuffix", "287fc259-02df-4452-93d7-fb599bb2d04e");
-user_pref("services.blocklist.addons-mlbf.checked", 1642605398);
+user_pref("services.blocklist.addons-mlbf.checked", 1645969405);
 user_pref("services.blocklist.addons.checked", 1591867368);
-user_pref("services.blocklist.gfx.checked", 1642605398);
+user_pref("services.blocklist.gfx.checked", 1645969405);
 user_pref("services.blocklist.pinning.checked", 1591805812);
 user_pref("services.blocklist.plugins.checked", 1591867368);
 user_pref("services.settings.clock_skew_seconds", 0);
-user_pref("services.settings.last_etag", "\"1642600790592\"");
-user_pref("services.settings.last_update_seconds", 1642605398);
-user_pref("services.settings.main.anti-tracking-url-decoration.last_check", 1642605398);
+user_pref("services.settings.last_etag", "\"1645952254834\"");
+user_pref("services.settings.last_update_seconds", 1645969405);
+user_pref("services.settings.main.anti-tracking-url-decoration.last_check", 1645969405);
 user_pref("services.settings.main.cfr-fxa.last_check", 1629621510);
-user_pref("services.settings.main.cfr.last_check", 1642605398);
-user_pref("services.settings.main.doh-config.last_check", 1642605398);
-user_pref("services.settings.main.doh-providers.last_check", 1642605398);
-user_pref("services.settings.main.fxmonitor-breaches.last_check", 1642605398);
-user_pref("services.settings.main.hijack-blocklists.last_check", 1642605398);
-user_pref("services.settings.main.language-dictionaries.last_check", 1642605398);
-user_pref("services.settings.main.message-groups.last_check", 1642605398);
+user_pref("services.settings.main.cfr.last_check", 1645969405);
+user_pref("services.settings.main.doh-config.last_check", 1645969405);
+user_pref("services.settings.main.doh-providers.last_check", 1645969405);
+user_pref("services.settings.main.fxmonitor-breaches.last_check", 1645969405);
+user_pref("services.settings.main.hijack-blocklists.last_check", 1645969405);
+user_pref("services.settings.main.language-dictionaries.last_check", 1645969405);
+user_pref("services.settings.main.message-groups.last_check", 1645969405);
 user_pref("services.settings.main.messaging-experiments.last_check", 1591867368);
-user_pref("services.settings.main.nimbus-desktop-defaults.last_check", 1642605398);
-user_pref("services.settings.main.nimbus-desktop-experiments.last_check", 1642605398);
-user_pref("services.settings.main.normandy-recipes-capabilities.last_check", 1642605398);
-user_pref("services.settings.main.partitioning-exempt-urls.last_check", 1642605398);
-user_pref("services.settings.main.password-recipes.last_check", 1642605398);
-user_pref("services.settings.main.password-rules.last_check", 1642605398);
-user_pref("services.settings.main.personality-provider-models.last_check", 1642605398);
-user_pref("services.settings.main.personality-provider-recipe.last_check", 1642605398);
-user_pref("services.settings.main.pioneer-study-addons-v1.last_check", 1642605398);
-user_pref("services.settings.main.pioneer-study-addons.last_check", 1642605398);
-user_pref("services.settings.main.public-suffix-list.last_check", 1642605398);
-user_pref("services.settings.main.query-stripping.last_check", 1642605398);
-user_pref("services.settings.main.search-config.last_check", 1642605398);
-user_pref("services.settings.main.search-default-override-allowlist.last_check", 1642605398);
-user_pref("services.settings.main.search-telemetry.last_check", 1642605398);
-user_pref("services.settings.main.sites-classification.last_check", 1642605398);
-user_pref("services.settings.main.tippytop.last_check", 1642605398);
-user_pref("services.settings.main.top-sites.last_check", 1642605398);
-user_pref("services.settings.main.url-classifier-skip-urls.last_check", 1642605398);
-user_pref("services.settings.main.websites-with-shared-credential-backends.last_check", 1642605398);
-user_pref("services.settings.main.whats-new-panel.last_check", 1642605398);
-user_pref("services.settings.security.onecrl.checked", 1642605398);
-user_pref("services.sync.addons.lastSync", "1642098561.50");
+user_pref("services.settings.main.nimbus-desktop-defaults.last_check", 1645969405);
+user_pref("services.settings.main.nimbus-desktop-experiments.last_check", 1645969405);
+user_pref("services.settings.main.normandy-recipes-capabilities.last_check", 1645969405);
+user_pref("services.settings.main.partitioning-exempt-urls.last_check", 1645969405);
+user_pref("services.settings.main.password-recipes.last_check", 1645969405);
+user_pref("services.settings.main.password-rules.last_check", 1645969405);
+user_pref("services.settings.main.personality-provider-models.last_check", 1645969405);
+user_pref("services.settings.main.personality-provider-recipe.last_check", 1645969405);
+user_pref("services.settings.main.pioneer-study-addons-v1.last_check", 1645969405);
+user_pref("services.settings.main.pioneer-study-addons.last_check", 1645969405);
+user_pref("services.settings.main.public-suffix-list.last_check", 1645969405);
+user_pref("services.settings.main.query-stripping.last_check", 1645969405);
+user_pref("services.settings.main.search-config.last_check", 1645969405);
+user_pref("services.settings.main.search-default-override-allowlist.last_check", 1645969405);
+user_pref("services.settings.main.search-telemetry-v2.last_check", 1645969405);
+user_pref("services.settings.main.search-telemetry.last_check", 1645969405);
+user_pref("services.settings.main.sites-classification.last_check", 1645969405);
+user_pref("services.settings.main.tippytop.last_check", 1645969405);
+user_pref("services.settings.main.top-sites.last_check", 1645969405);
+user_pref("services.settings.main.url-classifier-skip-urls.last_check", 1645969405);
+user_pref("services.settings.main.websites-with-shared-credential-backends.last_check", 1645969405);
+user_pref("services.settings.main.whats-new-panel.last_check", 1645969405);
+user_pref("services.settings.security.onecrl.checked", 1645969405);
+user_pref("services.sync.addons.lastSync", "1644857576.45");
 user_pref("services.sync.addons.syncID", "L7k31iPXEMk6");
 user_pref("services.sync.bookmarks.lastSync", "1591894790.66");
 user_pref("services.sync.bookmarks.syncID", "3C9StXXGztPe");
@@ -371,8 +375,8 @@ user_pref("services.sync.client.GUID", "-S_pn8VT4ZCp");
 user_pref("services.sync.client.syncID", "MtJM9DyW2j2m");
 user_pref("services.sync.clients.devices.desktop", 2);
 user_pref("services.sync.clients.devices.mobile", 1);
-user_pref("services.sync.clients.lastRecordUpload", 1642604909);
-user_pref("services.sync.clients.lastSync", "1642604909.18");
+user_pref("services.sync.clients.lastRecordUpload", 1645969034);
+user_pref("services.sync.clients.lastSync", "1645969660.64");
 user_pref("services.sync.clients.syncID", "-UKRQIkr1Rru");
 user_pref("services.sync.creditcards.lastSync", "0");
 user_pref("services.sync.creditcards.syncID", "yp8F-l4YaopB");
@@ -387,10 +391,10 @@ user_pref("services.sync.extension-storage.lastSync", "0");
 user_pref("services.sync.forms.lastSync", "0");
 user_pref("services.sync.globalScore", 0);
 user_pref("services.sync.history.lastSync", "0");
-user_pref("services.sync.lastPing", 1642604908);
-user_pref("services.sync.lastSync", "Wed Jan 19 2022 16:16:54 GMT+0100 (Central European Standard Time)");
+user_pref("services.sync.lastPing", 1645969033);
+user_pref("services.sync.lastSync", "Sun Feb 27 2022 15:19:18 GMT+0100 (Central European Standard Time)");
 user_pref("services.sync.lastTabFetch", 1586120826);
-user_pref("services.sync.nextSync", 1642606014);
+user_pref("services.sync.nextSync", 1645972158);
 user_pref("services.sync.passwords.syncID", "-WeMPm6W3NJC");
 user_pref("services.sync.prefs.lastSync", "1642260421.36");
 user_pref("services.sync.prefs.syncID", "SMCLZI5bvGCx");
@@ -402,12 +406,12 @@ user_pref("services.sync.username", "mrcfrm01@protonmail.com");
 user_pref("signon.importedFromSqlite", true);
 user_pref("signon.rememberSignons", false);
 user_pref("storage.vacuum.last.index", 1);
-user_pref("storage.vacuum.last.places.sqlite", 1641902624);
+user_pref("storage.vacuum.last.places.sqlite", 1645786694);
 user_pref("svg.context-properties.content.enabled", true);
 user_pref("toolkit.legacyUserProfileCustomizations.stylesheets", true);
 user_pref("toolkit.scrollbox.horizontalScrollDistance", 4);
-user_pref("toolkit.startup.last_success", 1642604887);
+user_pref("toolkit.startup.last_success", 1645969013);
 user_pref("toolkit.telemetry.cachedClientID", "27215ebf-b618-4b9c-bd32-ceb6347e229a");
-user_pref("toolkit.telemetry.previousBuildID", "20220115121545");
+user_pref("toolkit.telemetry.previousBuildID", "20220218000556");
 user_pref("toolkit.telemetry.reportingpolicy.firstRun", false);
 user_pref("trailhead.firstrun.didSeeAboutWelcome", true);
diff --git a/arch-config/.mozilla/firefox/default-release/user.js b/arch-config/.mozilla/firefox/default-release/user.js
index e526e398..64f7ad5a 100644
--- a/arch-config/.mozilla/firefox/default-release/user.js
+++ b/arch-config/.mozilla/firefox/default-release/user.js
@@ -2,7 +2,7 @@
 // userchrome.css usercontent.css activate
 user_pref("toolkit.legacyUserProfileCustomizations.stylesheets", true);
 
-// Proton Enabled #127
+// Proton Enabled #127 || Removed at 97 #328 (Maintained for compatibility with ESR)
 user_pref("browser.proton.enabled", true);
 
 // Proton Tooltip