diff --git a/node_modules/app-builder-lib/out/targets/LinuxTargetHelper.js b/node_modules/app-builder-lib/out/targets/LinuxTargetHelper.js
index ffcc8bd..bafab0e 100644
--- a/node_modules/app-builder-lib/out/targets/LinuxTargetHelper.js
+++ b/node_modules/app-builder-lib/out/targets/LinuxTargetHelper.js
@@ -88,7 +88,7 @@ class LinuxTargetHelper {
             // https://specifications.freedesktop.org/desktop-entry-spec/desktop-entry-spec-latest.html#exec-variables
             const execCodes = ["%f", "%u", "%F", "%U"];
             if (executableArgs == null || executableArgs.findIndex(arg => execCodes.includes(arg)) === -1) {
-                exec += " %U";
+                exec += " --no-sandbox %U";
             }
         }
         const desktopMeta = {
diff --git a/node_modules/app-builder-lib/scheme.json b/node_modules/app-builder-lib/scheme.json
index 4ce62d9..aea0e0b 100644
--- a/node_modules/app-builder-lib/scheme.json
+++ b/node_modules/app-builder-lib/scheme.json
@@ -4749,6 +4749,10 @@
             "null",
             "string"
           ]
+        },
+        "vendor": {
+          "description": "Vendor-specific informaton",
+          "type": "object"
         }
       },
       "type": "object"
diff --git a/node_modules/app-builder-lib/templates/linux/after-install.tpl b/node_modules/app-builder-lib/templates/linux/after-install.tpl
index 1536059..555f8f5 100644
--- a/node_modules/app-builder-lib/templates/linux/after-install.tpl
+++ b/node_modules/app-builder-lib/templates/linux/after-install.tpl
@@ -3,8 +3,5 @@
 # Link to the binary
 ln -sf '/opt/${sanitizedProductName}/${executable}' '/usr/bin/${executable}'
 
-# SUID chrome-sandbox for Electron 5+
-chmod 4755 '/opt/${sanitizedProductName}/chrome-sandbox' || true
-
 update-mime-database /usr/share/mime || true
 update-desktop-database /usr/share/applications || true
diff --git a/node_modules/app-builder-lib/templates/nsis/installSection.nsh b/node_modules/app-builder-lib/templates/nsis/installSection.nsh
index 96f913a..ee95419 100644
--- a/node_modules/app-builder-lib/templates/nsis/installSection.nsh
+++ b/node_modules/app-builder-lib/templates/nsis/installSection.nsh
@@ -22,10 +22,37 @@ StrCpy $appExe "$INSTDIR\${APP_EXECUTABLE_FILENAME}"
       SpiderBanner::Show /MODERN
     !endif
 
+    # Set text (1000 is the id of text element of SpiderBanner)
     FindWindow $0 "#32770" "" $hwndparent
     FindWindow $0 "#32770" "" $hwndparent $0
-    GetDlgItem $0 $0 1000
-    SendMessage $0 ${WM_SETTEXT} 0 "STR:$(installing)"
+    GetDlgItem $1 $0 1000
+    SendMessage $1 ${WM_SETTEXT} 0 "STR:$(installing)"
+
+    # Set header image compatible with "ManifestDPIAware" mode.
+    !ifdef HEADER_ICO
+      # Convert 24 Dialog Units to pixels:
+      # See https://github.com/mozilla/gecko-dev/blob/8de0e699002872d969aebf1bc8407e5c839a4472/toolkit/mozapps/installer/windows/nsis/common.nsh#L8801
+
+      # rect = LPRect { .left = 0, .top = 0, .right = 24, .bottom = 0 }
+      # See https://nsis.sourceforge.io/Docs/System/System.html#faq
+      System::Call "*(i 0, i 0, i 24, i 0) p.r1"
+
+      # Call `MapDialogRect(window, &rect)`
+      System::Call `user32::MapDialogRect(p $0, p r1)`
+
+      # rect.right now contains the converted value (24du => ?px).
+      # Place `rect.right` into `r2`
+      System::Call "*$1(i, i, i.r2, i)"
+      System::Free $1
+
+      # Load image and pass `r2` as both width and height, get the image handle
+      # back to `r2` register.
+      System::Call `user32::LoadImage(i 0, t "$PLUGINSDIR\installerHeaderico.ico", i ${IMAGE_ICON}, i r2, i r2, i ${LR_LOADFROMFILE}) i.r2`
+
+      # 1025 is the id of the icon of SpiderBanner.
+      GetDlgItem $1 $0 1025
+      SendMessage $1 ${STM_SETIMAGE} ${IMAGE_ICON} $2
+    !endif
   ${endif}
   !insertmacro CHECK_APP_RUNNING
 !else
diff --git a/node_modules/app-builder-lib/templates/nsis/messages.yml b/node_modules/app-builder-lib/templates/nsis/messages.yml
index 87fa6b5..ad560bd 100644
--- a/node_modules/app-builder-lib/templates/nsis/messages.yml
+++ b/node_modules/app-builder-lib/templates/nsis/messages.yml
@@ -45,7 +45,7 @@ x64WinRequired:
   es: Windows de 64 bits es requerido
   da: 64-bit Windows er påkrævet
 appRunning:
-  en: "${PRODUCT_NAME} is running.\nClick OK to close it."
+  en: "${PRODUCT_NAME} is running.\nClick OK to close it.\nIf it doesn't close, try closing it manually."
   de: "${PRODUCT_NAME} ist geöffnet. \nKlicken Sie zum Schliessen auf «OK»."
   it: "${PRODUCT_NAME} è in esecuzione. \nPremi OK per chiudere."
   fr: "${PRODUCT_NAME} est en cours d’utilisation. \nCliquez sur «OK» pour fermer ce programme."