[Auto-update] Turn off on Windows < 1903 (#10240)

installer/PowerToysBootstrapper/bootstrapper/Resources.resx

@@ -158,4 +158,7 @@
    <data name="NEWER_VERSION_ERROR" xml:space="preserve">
     <value>A newer version is already installed.</value>
   </data>
+  <data name="OLD_WINDOWS_ERROR" xml:space="preserve">
+    <value>PowerToys requires Windows 10 version 1903 (May 2019 Update) or newer to run.</value>
+  </data>
 </root>

installer/PowerToysBootstrapper/bootstrapper/bootstrapper.cpp

@@ -152,8 +152,6 @@ int Bootstrapper(HINSTANCE hInstance)
     const auto installDirArg = cmdArgs["install_dir"].as<std::string>();
     const bool extract_msi_only = cmdArgs["extract_msi"].as<bool>();
 
-    spdlog::level::level_enum severity = spdlog::level::off;
-
     std::wstring installFolderProp;
     if (!installDirArg.empty())
     {
@@ -185,6 +183,7 @@ int Bootstrapper(HINSTANCE hInstance)
     {
     }
 
+    spdlog::level::level_enum severity = spdlog::level::off;
     if (logLevel == "debug")
     {
         severity = spdlog::level::debug;
@@ -197,6 +196,16 @@ int Bootstrapper(HINSTANCE hInstance)
     SetupLogger(logDir, severity);
     spdlog::debug("PowerToys Bootstrapper is launched\nnoFullUI: {}\nsilent: {}\nno_start_pt: {}\nskip_dotnet_install: {}\nlog_level: {}\ninstall_dir: {}\nextract_msi: {}\n", noFullUI, g_Silent, noStartPT, skipDotnetInstall, logLevel, installDirArg, extract_msi_only);
     
+    const VersionHelper myVersion(VERSION_MAJOR, VERSION_MINOR, VERSION_REVISION);
+
+    // Do not support installing on Windows < 1903
+    if (myVersion >= VersionHelper{0, 36, 0} && updating::is_old_windows_version())
+    {
+      ShowMessageBoxError(IDS_OLD_WINDOWS_ERROR);
+      spdlog::error("PowerToys {} requires at least Windows 1903 to run.", myVersion.toString());
+      return 1;
+    }
+
     // If a user requested an MSI -> extract it and exit
     if (extract_msi_only)
     {
@@ -212,7 +221,6 @@ int Bootstrapper(HINSTANCE hInstance)
     }
 
     // Check if there's a newer version installed
-    const VersionHelper myVersion(VERSION_MAJOR, VERSION_MINOR, VERSION_REVISION);
     const auto installedVersion = updating::get_installed_powertoys_version();
     if (installedVersion && *installedVersion >= myVersion)
     {

src/common/updating/installer.cpp

@@ -3,6 +3,7 @@
 #include "installer.h"
 #include <common/version/version.h>
 #include <common/notifications/notifications.h>
+#include <common/utils/os-detect.h>
 #include "utils/winapi_error.h"
 
 namespace // Strings in this namespace should not be localized
@@ -192,4 +193,8 @@ namespace updating
         co_return false;
     }
 
+    bool is_old_windows_version()
+    {
+        return !Is19H1OrHigher();
+    }
 }

src/common/updating/installer.h

@@ -16,4 +16,6 @@ namespace updating
 
     std::optional<VersionHelper> get_installed_powertoys_version();
     std::future<bool> uninstall_previous_msix_version_async();
+
+    bool is_old_windows_version();
 }

src/common/updating/updating.cpp

@@ -7,9 +7,10 @@
 #include "notifications.h"
 #include "updating.h"
 
-#include <common/utils/json.h>
-#include <common/SettingsAPI/settings_helpers.h>
 #include <common/notifications/notifications.h>
+#include <common/SettingsAPI/settings_helpers.h>
+#include <common/utils/json.h>
+#include <common/utils/os-detect.h>
 
 namespace // Strings in this namespace should not be localized
 {
@@ -68,12 +69,17 @@ namespace updating
         {
             co_return nonstd::make_unexpected(strings.GITHUB_NEW_VERSION_USING_LOCAL_BUILD_ERROR);
         }
+
         try
         {
             http::HttpClient client;
             json::JsonObject release_object;
             const VersionHelper current_version(VERSION_MAJOR, VERSION_MINOR, VERSION_REVISION);
             VersionHelper github_version = current_version;
+
+            // On a <1903 system, block updates to 0.36+ 
+            const bool blockNonPatchReleases = current_version.major == 0 && current_version.minor == 35 && !Is19H1OrHigher();
+
             if (prerelease)
             {
                 const auto body = co_await client.request(Uri{ ALL_RELEASES_ENDPOINT });
@@ -102,6 +108,11 @@ namespace updating
                 }
             }
 
+            if (blockNonPatchReleases && github_version >= VersionHelper{ 0, 36, 0 })
+            {
+                co_return version_up_to_date{};
+            }
+
             if (github_version <= current_version)
             {
                 co_return version_up_to_date{};

src/common/utils/os-detect.h

@@ -2,7 +2,7 @@
 
 #include <winrt/Windows.Foundation.Metadata.h>
 
-// The following three helper functions determine if the user has a build version higher than or equal to 19h1, as that is a requirement for xaml islands
+// The following three helper functions determine if the user has a build version higher than or equal to 19h1 (aka 1903), as that is a requirement for xaml islands
 // Source : Microsoft-ui-xaml github
 // Link: https://github.com/microsoft/microsoft-ui-xaml/blob/c045cde57c5c754683d674634a0baccda34d58c4/dev/dll/SharedHelpers.cpp
 template<uint16_t APIVersion>

src/common/version/helper.cpp

@@ -39,3 +39,14 @@ std::wstring VersionHelper::toWstring() const
     result += std::to_wstring(revision);
     return result;
 }
+
+std::string VersionHelper::toString() const
+{
+    std::string result{ "v" };
+    result += std::to_string(major);
+    result += '.';
+    result += std::to_string(minor);
+    result += '.';
+    result += std::to_string(revision);
+    return result;
+}

src/common/version/helper.h

@@ -15,4 +15,5 @@ struct VersionHelper
     size_t revision;
 
     std::wstring toWstring() const;
+    std::string toString() const;
 };