owncloud · DeepDiver1975 · Jan 28, 2026 · Jan 28, 2026 · Jan 29, 2026 · Jan 29, 2026
diff --git a/src/gui/aboutdialog.cpp b/src/gui/aboutdialog.cpp
@@ -75,27 +75,10 @@ void AboutDialog::setupUpdaterWidget()
         if (Utility::isMac()) {
             // Because we don't have any statusString from the SparkleUpdater anyway we can hide the whole thing
             ui->updaterWidget->hide();
-        } else {
-            ui->updateChannelLabel->hide();
-            ui->updateChannel->hide();
-            if (ConfigFile().updateChannel() != QLatin1String("stable")) {
-                ConfigFile().setUpdateChannel(QStringLiteral("stable"));
-            }
         }
     }
-    // we want to attach the known english identifiers which are also used within the configuration file as user data inside the data model
-    // that way, when we intend to reset to the original selection when the dialog, we can look up the config file's stored value in the data model
-    ui->updateChannel->addItem(QStringLiteral("ownCloud 10 LTS"), QStringLiteral("stable"));
-    ui->updateChannel->addItem(QStringLiteral("ownCloud Infinite Scale stable"), QStringLiteral("ocis"));
-    if (!Resources::isVanillaTheme()) {
-        ui->updateChannel->addItem(tr("beta"), QStringLiteral("beta"));
-    }
 
     if (!ConfigFile().skipUpdateCheck() && Updater::instance()) {
-        // Channel selection
-        ui->updateChannel->setCurrentIndex(ui->updateChannel->findData(ConfigFile().updateChannel()));
-        connect(ui->updateChannel, static_cast<void (QComboBox::*)(int)>(&QComboBox::currentIndexChanged), this, &AboutDialog::slotUpdateChannelChanged);
-
         // Note: the sparkle-updater is not an OCUpdater
         if (auto *ocupdater = qobject_cast<OCUpdater *>(Updater::instance())) {
             auto updateInfo = [ocupdater, this] {
@@ -142,55 +125,4 @@ void AboutDialog::setupUpdaterWidget()
 #endif
 }
 
-void AboutDialog::slotUpdateChannelChanged([[maybe_unused]] int index)
-{
-#ifdef WITH_AUTO_UPDATER
-    QString channel;
-    if (index < 0) {
-        // invalid index, reset to stable
-        channel = QStringLiteral("stable");
-    } else {
-        channel = ui->updateChannel->itemData(index).toString();
-    }
-    if (channel == ConfigFile().updateChannel()) {
-        return;
-    }
-
-    auto msgBox = new QMessageBox(QMessageBox::Warning, tr("Change update channel?"),
-        tr("<html>The update channel determines which client updates will be offered for installation.<ul>"
-           "<li>\"ownCloud 10 LTS\" contains only upgrades that are considered reliable</li>"
-           "<li>\"ownCloud Infinite Scale stable\" contains only upgrades that are considered reliable but <b>removes support for \"ownCloud 10\"</b></li>"
-           "%1"
-           "</ul>"
-           "<br>⚠️Downgrades are not supported. If you switch to a stable channel this change will only be applied with the next major release.</html>")
-            .arg(
-                isTestPilotCloudTheme() ? tr("<li>\"beta\" may contain newer features and bugfixes, but have not yet been tested thoroughly</li>") : QString()),
-        QMessageBox::NoButton, this);
-    auto acceptButton = msgBox->addButton(tr("Change update channel"), QMessageBox::AcceptRole);
-    msgBox->addButton(tr("Cancel"), QMessageBox::RejectRole);
-    connect(msgBox, &QMessageBox::finished, msgBox, [this, channel, msgBox, acceptButton] {
-        msgBox->deleteLater();
-        if (msgBox->clickedButton() == acceptButton) {
-            ConfigFile().setUpdateChannel(channel);
-            if (OCUpdater *updater = qobject_cast<OCUpdater *>(Updater::instance())) {
-                updater->setUpdateUrl(Updater::updateUrl());
-                updater->checkForUpdate();
-            }
-#if defined(Q_OS_MAC) && defined(HAVE_SPARKLE)
-            else if (SparkleUpdater *updater = qobject_cast<SparkleUpdater *>(Updater::instance())) {
-                updater->setUpdateUrl(Updater::updateUrl());
-                updater->checkForUpdate();
-            }
-#endif
-        } else {
-            const auto oldChannel = ui->updateChannel->findData(ConfigFile().updateChannel());
-            Q_ASSERT(oldChannel >= 0);
-            Q_ASSERT(oldChannel <= 1);
-            ui->updateChannel->setCurrentIndex(oldChannel);
-        }
-    });
-    msgBox->open();
-#endif
-}
-
 } // OCC namespace
diff --git a/src/gui/aboutdialog.h b/src/gui/aboutdialog.h
@@ -11,8 +11,7 @@
  * or FITNESS FOR A PARTICULAR PURPOSE. See the GNU General Public License
  * for more details.
  */
-#ifndef ABOUTDIALOG_H
-#define ABOUTDIALOG_H
+#pragma once
 
 #include <QDialog>
 
@@ -36,12 +35,8 @@ class AboutDialog : public QDialog
     void openBrowserFromUrl(const QUrl &s);
     void setupUpdaterWidget();
 
-private Q_SLOTS:
-    void slotUpdateChannelChanged(int index);
-
 private:
     Ui::AboutDialog *ui;
 };
 
 }
-#endif // ABOUTDIALOG_H
diff --git a/src/gui/aboutdialog.ui b/src/gui/aboutdialog.ui
@@ -31,7 +31,7 @@
            <item>
             <spacer name="verticalSpacer_2">
              <property name="orientation">
-              <enum>Qt::Vertical</enum>
+              <enum>Qt::Orientation::Vertical</enum>
              </property>
              <property name="sizeHint" stdset="0">
               <size>
@@ -66,7 +66,7 @@
            <item>
             <spacer name="verticalSpacer">
              <property name="orientation">
-              <enum>Qt::Vertical</enum>
+              <enum>Qt::Orientation::Vertical</enum>
              </property>
              <property name="sizeHint" stdset="0">
               <size>
@@ -96,32 +96,6 @@
           <string/>
          </property>
          <layout class="QHBoxLayout" name="horizontalLayout_2">
-          <item>
-           <widget class="QLabel" name="updateChannelLabel">
-            <property name="sizePolicy">
-             <sizepolicy hsizetype="Maximum" vsizetype="Preferred">
-              <horstretch>0</horstretch>
-              <verstretch>0</verstretch>
-             </sizepolicy>
-            </property>
-            <property name="text">
-             <string>&amp;Update Channel</string>
-            </property>
-            <property name="buddy">
-             <cstring>updateChannel</cstring>
-            </property>
-           </widget>
-          </item>
-          <item>
-           <widget class="QComboBox" name="updateChannel">
-            <property name="sizePolicy">
-             <sizepolicy hsizetype="Maximum" vsizetype="Fixed">
-              <horstretch>0</horstretch>
-              <verstretch>0</verstretch>
-             </sizepolicy>
-            </property>
-           </widget>
-          </item>
           <item>
            <widget class="QLabel" name="updateStateLabel"/>
           </item>
@@ -165,10 +139,10 @@
    <item>
     <widget class="QDialogButtonBox" name="buttonBox">
      <property name="orientation">
-      <enum>Qt::Horizontal</enum>
+      <enum>Qt::Orientation::Horizontal</enum>
      </property>
      <property name="standardButtons">
-      <set>QDialogButtonBox::Ok</set>
+      <set>QDialogButtonBox::StandardButton::Ok</set>
      </property>
     </widget>
    </item>
@@ -177,7 +151,6 @@
  <tabstops>
   <tabstop>tabWidget</tabstop>
   <tabstop>versionInfo</tabstop>
-  <tabstop>updateChannel</tabstop>
   <tabstop>restartButton</tabstop>
  </tabstops>
  <resources/>

diff --git a/src/gui/updater/ocupdater.cpp b/src/gui/updater/ocupdater.cpp
@@ -14,7 +14,6 @@
 
 #include "accessmanager.h"
 #include "application.h"
-#include "common/restartmanager.h"
 #include "common/utility.h"
 #include "common/version.h"
 #include "configfile.h"
@@ -109,12 +108,6 @@ OCUpdater::OCUpdater(const QUrl &url)
 {
 }
 
-void OCUpdater::setUpdateUrl(const QUrl &url)
-{
-    _updateUrl = url;
-}
-
-
 void OCUpdater::backgroundCheckForUpdate()
 {
     int dlState = downloadState();

diff --git a/src/gui/updater/ocupdater.h b/src/gui/updater/ocupdater.h
@@ -117,8 +117,6 @@ class OWNCLOUDGUI_EXPORT OCUpdater : public Updater
 
     explicit OCUpdater(const QUrl &url);
 
-    void setUpdateUrl(const QUrl &url);
-
     void checkForUpdate() override;
 
     QString statusString() const;

diff --git a/src/gui/updater/updater.cpp b/src/gui/updater/updater.cpp
@@ -34,6 +34,30 @@ namespace OCC {
 
 Q_LOGGING_CATEGORY(lcUpdater, "gui.updater", QtInfoMsg)
 
+[[deprecated("updateChannel is no longer supported. the key will be removed in 8.0")]]
+const QString updateChannelC() { return QStringLiteral("updateChannel"); }
+
+QString updateChannel()
+{
+    // remove deprecated updateChannel setting once we hit 8.0
+    auto settings = ConfigFile::makeQSettings();
+    QString updateChannelKey = updateChannelC();
+    // until then, migrate old setting if present
+    settings.setValue(updateChannelKey, QStringLiteral("stable"));
+
+    // By now only two channels are supported: stable and stable-beta
+    const QString suffix = OCC::Version::suffix();
+    if (suffix.startsWith(QLatin1String("daily"))
+        || suffix.startsWith(QLatin1String("nightly"))
+        || suffix.startsWith(QLatin1String("alpha"))
+        || suffix.startsWith(QLatin1String("rc"))
+        || suffix.startsWith(QLatin1String("beta"))) {
+        return QStringLiteral("stable-beta");
+        }
+
+    return QStringLiteral("stable");
+}
+
 Updater *Updater::_instance = nullptr;
 
 Updater *Updater::instance()
@@ -106,10 +130,8 @@ QUrlQuery Updater::getQueryParams()
 
     query.addQueryItem(QStringLiteral("versionsuffix"), OCC::Version::suffix());
 
-    auto channel = ConfigFile().updateChannel();
-    if (channel != QLatin1String("stable")) {
-        query.addQueryItem(QStringLiteral("channel"), channel);
-    }
+    auto channel = updateChannel();
+    query.addQueryItem(QStringLiteral("channel"), channel);
 
     // requested by #11328
     // we use the names Qt gives us instead of inventing our own labels
@@ -126,7 +148,7 @@ QUrlQuery Updater::getQueryParams()
 Updater *Updater::create()
 {
     auto url = updateUrl();
-    qCDebug(lcUpdater) << url;
+    qCDebug(lcUpdater) << "Updater URL: "<< url.toDisplayString();
     if (url.isEmpty()) {
         qCWarning(lcUpdater) << "Not a valid updater URL, will not do update check";
         return nullptr;

diff --git a/src/libsync/configfile.cpp b/src/libsync/configfile.cpp
@@ -61,7 +61,6 @@ const QString optionalDesktopNoficationsC()
 }
 const QString skipUpdateCheckC() { return QStringLiteral("skipUpdateCheck"); }
 const QString updateCheckIntervalC() { return QStringLiteral("updateCheckInterval"); }
-const QString updateChannelC() { return QStringLiteral("updateChannel"); }
 const QString uiLanguageC() { return QStringLiteral("uiLanguage"); }
 const QString geometryC() { return QStringLiteral("geometry"); }
 const QString timeoutC() { return QStringLiteral("timeout"); }
@@ -541,28 +540,6 @@ void ConfigFile::setSkipUpdateCheck(bool skip, const QString &connection)
     settings.sync();
 }
 
-QString ConfigFile::updateChannel() const
-{
-    QString defaultUpdateChannel = QStringLiteral("stable");
-    const QString suffix = OCC::Version::suffix();
-    if (suffix.startsWith(QLatin1String("daily"))
-        || suffix.startsWith(QLatin1String("nightly"))
-        || suffix.startsWith(QLatin1String("alpha"))
-        || suffix.startsWith(QLatin1String("rc"))
-        || suffix.startsWith(QLatin1String("beta"))) {
-        defaultUpdateChannel = QStringLiteral("beta");
-    }
-
-    auto settings = makeQSettings();
-    return settings.value(updateChannelC(), defaultUpdateChannel).toString();
-}
-
-void ConfigFile::setUpdateChannel(const QString &channel)
-{
-    auto settings = makeQSettings();
-    settings.setValue(updateChannelC(), channel);
-}
-
 QString ConfigFile::uiLanguage() const
 {
     auto settings = makeQSettings();

diff --git a/src/libsync/configfile.h b/src/libsync/configfile.h
@@ -169,9 +169,6 @@ class OWNCLOUDSYNC_EXPORT ConfigFile
     bool skipUpdateCheck(const QString &connection = QString()) const;
     void setSkipUpdateCheck(bool, const QString &);
 
-    QString updateChannel() const;
-    void setUpdateChannel(const QString &channel);
-
     QString uiLanguage() const;
     void setUiLanguage(const QString &uiLanguage);
 

diff --git a/test/testupdater.cpp b/test/testupdater.cpp
@@ -20,8 +20,7 @@ private Q_SLOTS:
     {
         QTest::addColumn<QString>("url");
         QTest::addColumn<OCUpdater::DownloadState>("result");
-        // a redirect to attic
-        QTest::newRow("redirect") << "https://download.owncloud.com/desktop/stable/ownCloud-2.2.4.6408-setup.exe" << OCUpdater::DownloadComplete;
+        QTest::newRow("redirect") << "https://download.owncloud.com/desktop/ownCloud/stable/6.0.3.18040/win/ownCloud-6.0.3.18040.x64.msi" << OCUpdater::DownloadComplete;
         QTest::newRow("broken url") << "https://&" << OCUpdater::DownloadFailed;
     }
 
@@ -32,7 +31,7 @@ private Q_SLOTS:
         UpdateInfo info;
         info.setDownloadUrl(url);
         info.setVersionString(QStringLiteral("ownCloud 2.2.4 (build 6408)"));
-        // esnure we do the update
+        // ensure we do the update
         info.setVersion(QStringLiteral("100.2.4.6408"));
         auto *updater = new WindowsUpdater({});
         QSignalSpy downloadSpy(updater, &WindowsUpdater::downloadStateChanged);