--- a/firefox-kde.patch	Tue Oct 26 21:54:27 2021 +0200
+++ b/firefox-kde.patch	Sat Dec 04 11:19:16 2021 +0100
@@ -3,7 +3,7 @@
 # Date 1559300151 -7200
 #      Fri May 31 12:55:51 2019 +0200
 # Node ID 54d41b0033b8d649d842a1f862c6fed8b9874dec
-# Parent  856ef9c699423b1cd35e4df8745e78c409c8dbae
+# Parent  23d64c5753fda6f201477fe1f2f6cf1fb1657ccc
 How to apply this patch:
 1. Import and apply it
 2. cp browser/base/content/browser.xul browser/base/content/browser-kde.xul
@@ -14,7 +14,7 @@
 diff --git a/browser/components/preferences/main.js b/browser/components/preferences/main.js
 --- a/browser/components/preferences/main.js
 +++ b/browser/components/preferences/main.js
-@@ -338,16 +338,23 @@ var gMainPane = {
+@@ -353,16 +353,23 @@ var gMainPane = {
          }, backoffTimes[this._backoffIndex + 1 < backoffTimes.length ? this._backoffIndex++ : backoffTimes.length - 1]);
        };
  
@@ -38,7 +38,7 @@
      );
      let performanceSettingsUrl =
        Services.urlFormatter.formatURLPref("app.support.baseURL") +
-@@ -1313,16 +1320,27 @@ var gMainPane = {
+@@ -1365,16 +1372,27 @@ var gMainPane = {
        this._backoffIndex = 0;
  
        let shellSvc = getShellService();
@@ -69,7 +69,7 @@
 diff --git a/browser/components/shell/moz.build b/browser/components/shell/moz.build
 --- a/browser/components/shell/moz.build
 +++ b/browser/components/shell/moz.build
-@@ -32,16 +32,18 @@ if CONFIG["MOZ_WIDGET_TOOLKIT"] == "coco
+@@ -31,16 +31,18 @@ if CONFIG["MOZ_WIDGET_TOOLKIT"] == "coco
      ]
  elif CONFIG["MOZ_WIDGET_TOOLKIT"] == "gtk":
      XPIDL_SOURCES += [
@@ -92,7 +92,7 @@
 new file mode 100644
 --- /dev/null
 +++ b/browser/components/shell/nsKDEShellService.cpp
-@@ -0,0 +1,103 @@
+@@ -0,0 +1,109 @@
 +/* -*- Mode: C++; tab-width: 2; indent-tabs-mode: nil; c-basic-offset: 2 -*- */
 +/* This Source Code Form is subject to the terms of the Mozilla Public
 + * License, v. 2.0. If a copy of the MPL was not distributed with this
@@ -196,6 +196,12 @@
 +    return NS_ERROR_NOT_IMPLEMENTED;
 +}
 +
++NS_IMETHODIMP
++nsKDEShellService::IsDefaultForScheme(nsTSubstring<char> const& aScheme, bool* aIsDefaultBrowser)
++{
++    return NS_ERROR_NOT_IMPLEMENTED;
++}
++
 diff --git a/browser/components/shell/nsKDEShellService.h b/browser/components/shell/nsKDEShellService.h
 new file mode 100644
 --- /dev/null