diff -Nuar a/src/crypto/signencrypttask.cpp b/src/crypto/signencrypttask.cpp
--- a/src/crypto/signencrypttask.cpp	2025-06-03 06:22:18.000000000 +0300
+++ b/src/crypto/signencrypttask.cpp	2025-06-18 18:59:41.276410226 +0300
@@ -27,6 +27,7 @@
 #include <QGpgME/SignEncryptArchiveJob>
 #include <QGpgME/SignEncryptJob>
 #include <QGpgME/SignJob>
+#include <qgpgme/qgpgme_version.h>
 
 #include <gpgme++/encryptionresult.h>
 #include <gpgme++/key.h>
@@ -1009,9 +1010,15 @@
                             m_output.label,
                             !m_sresult.isNull(),
                             !m_eresult.isNull(),
+#if QGPGME_VERSION >= QT_VERSION_CHECK(2, 0, 0)
+                            m_sresult.error().isError(),
+                            m_eresult.error().isError(),
+                            m_sresult.error().isError() ? m_sresult.error() : m_eresult.error());
+#else
                             m_sresult.error(),
                             m_eresult.error(),
                             m_sresult.error().code() ? m_sresult.error() : m_eresult.error());
+#endif
 }
 
 QString SignEncryptFilesResult::details() const
diff -Nuar a/src/dialogs/useridswidget.cpp b/src/dialogs/useridswidget.cpp
--- a/src/dialogs/useridswidget.cpp	2025-06-03 06:22:18.000000000 +0300
+++ b/src/dialogs/useridswidget.cpp	2025-06-18 19:02:24.623368108 +0300
@@ -33,6 +33,7 @@
 #include <QPushButton>
 #include <QVBoxLayout>
 
+#include <QGpgME/Debug>
 #include <QGpgME/KeyListJob>
 #include <QGpgME/Protocol>
 
diff -Nuar a/src/selftest/gpgagentcheck.cpp b/src/selftest/gpgagentcheck.cpp
--- a/src/selftest/gpgagentcheck.cpp	2025-06-03 06:22:18.000000000 +0300
+++ b/src/selftest/gpgagentcheck.cpp	2025-06-18 19:06:25.856352281 +0300
@@ -37,16 +37,7 @@
     {
         m_skipped = true;
 
-        if (!hasFeature(AssuanEngineFeature, 0)) {
-            m_error = i18n("GpgME library too old");
-            m_explanation = i18nc("@info",
-                                  "Either the GpgME library itself is too old, "
-                                  "or the GpgME++ library was compiled against "
-                                  "an older GpgME that did not support connecting to gpg-agent.");
-            m_proposedFix = xi18nc("@info",
-                                   "Upgrade to <application>gpgme</application> 1.2.0 or higher, "
-                                   "and ensure that gpgme++ was compiled against it.");
-        } else if (ensureEngineVersion(GpgME::GpgConfEngine, 2, 1, 0)) {
+        if (ensureEngineVersion(GpgME::GpgConfEngine, 2, 1, 0)) {
             // 2.1 starts the agent on demand and requires it. So for 2.1.0 we can assume
             // autostart works and we don't need to care about the agent.
             m_skipped = false;
diff -Nuar a/src/view/cardkeysview.cpp b/src/view/cardkeysview.cpp
--- a/src/view/cardkeysview.cpp	2025-06-03 06:22:18.000000000 +0300
+++ b/src/view/cardkeysview.cpp	2025-06-18 19:01:31.922026966 +0300
@@ -35,6 +35,7 @@
 #include <KLocalizedString>
 #include <KSharedConfig>
 
+#include <QGpgME/Debug>
 #include <QGpgME/KeyListJob>
 #include <QGpgME/Protocol>