diff --git a/application/basilisk/base/content/browser.xul b/application/basilisk/base/content/browser.xul
index df7f88f67a..cf4a240bdb 100644
--- a/application/basilisk/base/content/browser.xul
+++ b/application/basilisk/base/content/browser.xul
@@ -672,98 +672,6 @@
           </hbox>
         </toolbaritem>
 
-        <toolbaritem id="search-container" title="&searchItem.title;"
-                     align="center" class="chromeclass-toolbar-additional panel-wide-item"
-                     cui-areatype="toolbar"
-                     flex="100" persist="width" removable="true">
-          <searchbar id="searchbar" flex="1"/>
-        </toolbaritem>
-
-        <toolbarbutton id="bookmarks-menu-button"
-                       class="toolbarbutton-1 chromeclass-toolbar-additional"
-                       removable="true"
-                       type="menu-button"
-                       label="&bookmarksMenuButton.label;"
-                       tooltip="dynamic-shortcut-tooltip"
-                       anchor="dropmarker"
-                       ondragenter="PlacesMenuDNDHandler.onDragEnter(event);"
-                       ondragover="PlacesMenuDNDHandler.onDragOver(event);"
-                       ondragleave="PlacesMenuDNDHandler.onDragLeave(event);"
-                       ondrop="PlacesMenuDNDHandler.onDrop(event);"
-                       cui-areatype="toolbar"
-                       oncommand="BookmarkingUI.onCommand(event);">
-          <observes element="bookmarkThisPageBroadcaster" attribute="starred"/>
-          <observes element="bookmarkThisPageBroadcaster" attribute="buttontooltiptext"/>
-          <menupopup id="BMB_bookmarksPopup"
-                     class="cui-widget-panel cui-widget-panelview cui-widget-panelWithFooter PanelUI-subView"
-                     placespopup="true"
-                     context="placesContext"
-                     openInTabs="children"
-                     oncommand="BookmarksEventHandler.onCommand(event, this.parentNode._placesView);"
-                     onclick="BookmarksEventHandler.onClick(event, this.parentNode._placesView);"
-                     onpopupshowing="BookmarkingUI.onPopupShowing(event);
-                                     BookmarkingUI.attachPlacesView(event, this);"
-                     tooltip="bhTooltip" popupsinherittooltip="true">
-            <menuitem id="BMB_viewBookmarksSidebar"
-                      class="subviewbutton"
-                      label="&viewBookmarksSidebar2.label;"
-                      type="checkbox"
-                      oncommand="SidebarUI.toggle('viewBookmarksSidebar');">
-              <observes element="viewBookmarksSidebar" attribute="checked"/>
-            </menuitem>
-            <!-- NB: temporary solution for bug 985024, this should go away soon. -->
-            <menuitem id="BMB_bookmarksShowAllTop"
-                      class="menuitem-iconic subviewbutton"
-                      label="&showAllBookmarks2.label;"
-                      command="Browser:ShowAllBookmarks"
-                      key="manBookmarkKb"/>
-            <menuseparator/>
-            <menuitem label="&recentBookmarks.label;"
-                      id="BMB_recentBookmarks"
-                      disabled="true"
-                      class="menuitem-iconic subviewbutton"/>
-            <menuseparator/>
-            <menu id="BMB_bookmarksToolbar"
-                  class="menu-iconic bookmark-item subviewbutton"
-                  label="&personalbarCmd.label;"
-                  container="true">
-              <menupopup id="BMB_bookmarksToolbarPopup"
-                         placespopup="true"
-                         context="placesContext"
-                         onpopupshowing="if (!this.parentNode._placesView)
-                                           new PlacesMenu(event, 'place:folder=TOOLBAR',
-                                                          PlacesUIUtils.getViewForNode(this.parentNode.parentNode).options);">
-                <menuitem id="BMB_viewBookmarksToolbar"
-                          placesanonid="view-toolbar"
-                          toolbarId="PersonalToolbar"
-                          type="checkbox"
-                          oncommand="onViewToolbarCommand(event)"
-                          label="&viewBookmarksToolbar.label;"/>
-                <menuseparator/>
-                <!-- Bookmarks toolbar items -->
-              </menupopup>
-            </menu>
-            <menu id="BMB_unsortedBookmarks"
-                  class="menu-iconic bookmark-item subviewbutton"
-                  label="&bookmarksMenuButton.other.label;"
-                  container="true">
-              <menupopup id="BMB_unsortedBookmarksPopup"
-                         placespopup="true"
-                         context="placesContext"
-                         onpopupshowing="if (!this.parentNode._placesView)
-                                           new PlacesMenu(event, 'place:folder=UNFILED_BOOKMARKS',
-                                                          PlacesUIUtils.getViewForNode(this.parentNode.parentNode).options);"/>
-            </menu>
-            <menuseparator/>
-            <!-- Bookmarks menu items will go here -->
-            <menuitem id="BMB_bookmarksShowAll"
-                      class="subviewbutton panel-subview-footer"
-                      label="&showAllBookmarks2.label;"
-                      command="Browser:ShowAllBookmarks"
-                      key="manBookmarkKb"/>
-          </menupopup>
-        </toolbarbutton>
-
         <!-- This is a placeholder for the Downloads Indicator.  It is visible
              during the customization of the toolbar, in the palette, and before
              the Downloads Indicator overlay is loaded. -->
diff --git a/application/basilisk/branding/shared/uaoverrides.inc b/application/basilisk/branding/shared/uaoverrides.inc
index c6289b8cdd..ecfd323022 100644
--- a/application/basilisk/branding/shared/uaoverrides.inc
+++ b/application/basilisk/branding/shared/uaoverrides.inc
@@ -70,9 +70,9 @@ pref("@GUAO_PREF@.mewe.com", "Mozilla/5.0 (%OS_SLICE% rv:102.0) Gecko/20100101 F
 
 // UA-sniffing domains that are "app/vendor-specific" and do not like Basilisk
 pref("@GUAO_PREF@.web.whatsapp.com","Mozilla/5.0 (Windows NT 10.0; Win64; x64) AppleWebKit/537.36 (KHTML, like Gecko) Chrome/70.0.3538.77 Safari/537.36");
-pref("@GUAO_PREF@.youtube.com","Mozilla/5.0 (%OS_SLICE% rv:128.0) @GK_SLICE@ @UXP_VERSION_SLICE@ Firefox/128.0 @APP_SLICE@");
-pref("@GUAO_PREF@.studio.youtube.com","Mozilla/5.0 (%OS_SLICE% rv:128.0) @GK_SLICE@ @UXP_VERSION_SLICE@ Firefox/128.0 @APP_SLICE@");
-pref("@GUAO_PREF@.gaming.youtube.com","Mozilla/5.0 (%OS_SLICE% rv:128.0) @GK_SLICE@ Firefox/128.0");
+pref("@GUAO_PREF@.youtube.com","Mozilla/5.0 (%OS_SLICE%; Win64; x64; rv:147.0) Gecko/20100101 Firefox/147.0");
+pref("@GUAO_PREF@.studio.youtube.com","Mozilla/5.0 (%OS_SLICE%; Win64; x64; rv:147.0) Gecko/20100101 Firefox/147.0");
+pref("@GUAO_PREF@.gaming.youtube.com", "Mozilla/5.0 (%OS_SLICE%; Win64; x64; rv:147.0) Gecko/20100101 Firefox/147.0");
 
 // The following domains do not like the Goanna slice
 pref("@GUAO_PREF@.bab.la","Mozilla/5.0 (%OS_SLICE% rv:@GK_VERSION@) @GK_SLICE@ @FX_SLICE@");
diff --git a/application/basilisk/branding/unofficial/configure.sh b/application/basilisk/branding/unofficial/configure.sh
index 81fd15e81a..ff08c9e075 100644
--- a/application/basilisk/branding/unofficial/configure.sh
+++ b/application/basilisk/branding/unofficial/configure.sh
@@ -2,24 +2,24 @@
 # License, v. 2.0. If a copy of the MPL was not distributed with this
 # file, You can obtain one at http://mozilla.org/MPL/2.0/.
 
-MOZ_APP_NAMELegacyEngine
+MOZ_APP_NAME=serpent
 
-MOZ_APP_BASENAME="LegacyEngine"
+MOZ_APP_BASENAME="Serpent"
 
-MOZ_APP_DISPLAYNAME="LegacyEngine"
+MOZ_APP_DISPLAYNAME="Serpent"
 
-MOZ_APP_UA_NAME="LegacyEngine"
+MOZ_APP_UA_NAME="Basilisk"
 
-MOZ_APP_VENDOR="OwnedByWuigi"
+MOZ_APP_VENDOR="Open Source Contributors"
 
-MOZ_APP_FULLNAME="LegacyEngine"
+MOZ_APP_FULLNAME="Serpent"
 
-MOZ_APP_PROFILE="OpenSource/LegacyEngine"
+MOZ_APP_PROFILE="OpenSource/Serpent"
 
-MOZ_APP_REMOTINGNAME=com.opensource.LegacyEngine
+MOZ_APP_REMOTINGNAME=com.opensource.serpent
 
 MOZ_DISTRIBUTION_ID=com.opensource
 
-MOZ_MACBUNDLE_NAME="LegacyEngine.app"
+MOZ_MACBUNDLE_NAME="serpent.app"
 
-MOZ_SOURCE_REPO=https://github.com/Eclipse-Community/UXP
+MOZ_SOURCE_REPO=https://github.com/Eclipse-Community/UXP
\ No newline at end of file
diff --git a/application/basilisk/themes/windows/browser.css b/application/basilisk/themes/windows/browser.css
index 1d12c3319c..f4df5f5b23 100644
--- a/application/basilisk/themes/windows/browser.css
+++ b/application/basilisk/themes/windows/browser.css
@@ -3832,19 +3832,6 @@ html|*.urlbar-input:-moz-lwtheme::placeholder,
   outline-offset: -3px;
 }
 
-/* Location bar dropmarker */
-
-.urlbar-history-dropmarker {
-  -moz-appearance: none;
-  padding: 0 3px;
-  background-color: transparent;
-  border: none;
-  width: auto;
-  list-style-image: var(--urlbar-dropmarker-url);
-  -moz-image-region: var(--urlbar-dropmarker-region);
-  transition: opacity 0.15s ease;
-}
-
 #urlbar-wrapper[switchingtabs] > #urlbar > .urlbar-textbox-container > .urlbar-history-dropmarker {
   transition: none;
 }