diff --git a/libnotificationmanager/job.cpp b/libnotificationmanager/job.cpp
--- a/libnotificationmanager/job.cpp
+++ b/libnotificationmanager/job.cpp
@@ -33,7 +33,16 @@
     : QObject(parent)
     , d(new JobPrivate(id, this))
 {
-    d->m_created = QDateTime::currentDateTimeUtc();    
+    d->m_created = QDateTime::currentDateTimeUtc();
+
+    // These properties are used in generating the pretty job text
+    connect(d, &JobPrivate::infoMessageChanged, this, &Job::textChanged);
+    connect(this, &Job::processedFilesChanged, this, &Job::textChanged);
+    connect(this, &Job::totalFilesChanged, this, &Job::textChanged);
+    connect(this, &Job::descriptionValue1Changed, this, &Job::textChanged);
+    connect(this, &Job::descriptionValue2Changed, this, &Job::textChanged);
+    connect(this, &Job::destUrlChanged, this, &Job::textChanged);
+    connect(this, &Job::errorTextChanged, this, &Job::textChanged);
 }
 
 Job::~Job() = default;
diff --git a/libnotificationmanager/job_p.h b/libnotificationmanager/job_p.h
--- a/libnotificationmanager/job_p.h
+++ b/libnotificationmanager/job_p.h
@@ -72,6 +72,8 @@
 signals:
     void closed();
 
+    void infoMessageChanged();
+
     // DBus
     // V1 and V2
     void suspendRequested();
@@ -95,6 +97,19 @@
         return false;
     }
 
+    template<typename T> bool updateFieldFromProperties(const QVariantMap &properties,
+                                                        const QString &keyName,
+                                                        T &target,
+                                                        void (Job::*changeSignal)())
+    {
+        auto it = properties.find(keyName);
+        if (it == properties.end()) {
+            return false;
+        }
+
+        return updateField(it->value<T>(), target, changeSignal);
+    }
+
     static QSharedPointer<KFilePlacesModel> createPlacesModel();
 
     static QUrl localFileOrUrl(const QString &stringUrl);
@@ -111,6 +126,7 @@
     QDateTime m_updated;
 
     QString m_summary;
+    QString m_infoMessage;
 
     QString m_desktopEntry;
     QString m_applicationName;
diff --git a/libnotificationmanager/job_p.cpp b/libnotificationmanager/job_p.cpp
--- a/libnotificationmanager/job_p.cpp
+++ b/libnotificationmanager/job_p.cpp
@@ -154,6 +154,10 @@
         return m_errorText;
     }
 
+    if (!m_infoMessage.isEmpty()) {
+        return m_infoMessage;
+    }
+
     const QString currentFileName = descriptionUrl().fileName();
     const QString destUrlString = prettyDestUrl();
 
@@ -285,6 +289,8 @@
     updateHasDetails();
 }
 
+// NOTE infoMessage isn't supposed to be the "Copying..." heading but e.g. a "Connecting to server..." status message
+// JobViewV1/V2 got that wrong but JobView3 uses "title" and "infoMessage" correctly respectively.
 void JobPrivate::setInfoMessage(const QString &infoMessage)
 {
     updateField(infoMessage, m_summary, &Job::summaryChanged);
@@ -338,7 +344,56 @@
 
 void JobPrivate::update(const QVariantMap &properties)
 {
-    // TODO
-    sendErrorReply(QDBusError::NotSupported, QStringLiteral("JobViewV3 update is not yet implemented."));
-    Q_UNUSED(properties)
+    auto end = properties.end();
+
+    auto it = properties.find(QStringLiteral("title"));
+    if (it != end) {
+        updateField(it->toString(), m_summary, &Job::summaryChanged);
+    }
+
+    it = properties.find(QStringLiteral("infoMessage"));
+    if (it != end) {
+        // InfoMessage is exposed via text()/BodyRole, not via public API, hence no public signal
+        const QString infoMessage = it->toString();
+        if (m_infoMessage != infoMessage) {
+            m_infoMessage = it->toString();
+            emit infoMessageChanged();
+        }
+    }
+
+    it = properties.find(QStringLiteral("percent"));
+    if (it != end) {
+        setPercent(it->toUInt());
+    }
+
+    it = properties.find(QStringLiteral("destUrl"));
+    if (it != end) {
+        const QUrl destUrl = QUrl(it->toUrl().adjusted(QUrl::StripTrailingSlash)); // urgh
+        updateField(destUrl, m_destUrl, &Job::destUrlChanged);
+    }
+
+    it = properties.find(QStringLiteral("speed"));
+    if (it != end) {
+        setSpeed(it->value<qulonglong>());
+    }
+
+    updateFieldFromProperties(properties, QStringLiteral("processedFiles"), m_processedFiles, &Job::processedFilesChanged);
+    updateFieldFromProperties(properties, QStringLiteral("processedBytes"), m_processedBytes, &Job::processedBytesChanged);
+    updateFieldFromProperties(properties, QStringLiteral("processedDirectories"), m_processedDirectories, &Job::processedDirectoriesChanged);
+
+    updateFieldFromProperties(properties, QStringLiteral("totalFiles"), m_totalFiles, &Job::totalFilesChanged);
+    updateFieldFromProperties(properties, QStringLiteral("totalBytes"), m_totalBytes, &Job::totalBytesChanged);
+    updateFieldFromProperties(properties, QStringLiteral("totalDirectories"), m_totalDirectories, &Job::totalDirectoriesChanged);
+
+    updateFieldFromProperties(properties, QStringLiteral("descriptionLabel1"), m_descriptionLabel1, &Job::descriptionLabel1Changed);
+    updateFieldFromProperties(properties, QStringLiteral("descriptionValue1"), m_descriptionValue1, &Job::descriptionValue1Changed);
+    updateFieldFromProperties(properties, QStringLiteral("descriptionLabel2"), m_descriptionLabel2, &Job::descriptionLabel2Changed);
+    updateFieldFromProperties(properties, QStringLiteral("descriptionValue2"), m_descriptionValue2, &Job::descriptionValue2Changed);
+
+    it = properties.find(QStringLiteral("suspended"));
+    if (it != end) {
+        setSuspended(it->toBool());
+    }
+
+    updateHasDetails();
 }
diff --git a/libnotificationmanager/jobsmodel_p.cpp b/libnotificationmanager/jobsmodel_p.cpp
--- a/libnotificationmanager/jobsmodel_p.cpp
+++ b/libnotificationmanager/jobsmodel_p.cpp
@@ -324,6 +324,9 @@
     connect(job, &Job::summaryChanged, this, [this, job] {
         scheduleUpdate(job, Notifications::SummaryRole);
     });
+    connect(job, &Job::textChanged, this, [this, job] {
+        scheduleUpdate(job, Notifications::BodyRole);
+    });
     connect(job, &Job::stateChanged, this, [this, job] {
         scheduleUpdate(job, Notifications::JobStateRole);
         // Timeout and Closable depend on state, signal a change for those, too
@@ -349,26 +352,7 @@
         scheduleUpdate(job, Notifications::DismissedRole);
     });
 
-    // The following are used in generating the pretty job text
-    connect(job, &Job::processedFilesChanged, this, [this, job] {
-        scheduleUpdate(job, Notifications::BodyRole);
-    });
-    connect(job, &Job::totalFilesChanged, this, [this, job] {
-        scheduleUpdate(job, Notifications::BodyRole);
-    });
-    connect(job, &Job::descriptionValue1Changed, this, [this, job] {
-        scheduleUpdate(job, Notifications::BodyRole);
-    });
-    connect(job, &Job::descriptionValue2Changed, this, [this, job] {
-        scheduleUpdate(job, Notifications::BodyRole);
-    });
-    connect(job, &Job::destUrlChanged, this, [this, job] {
-        scheduleUpdate(job, Notifications::BodyRole);
-        emitJobUrlsChanged();
-    });
-    connect(job, &Job::errorTextChanged, this, [this, job] {
-        scheduleUpdate(job, Notifications::BodyRole);
-    });
+    connect(job, &Job::destUrlChanged, this, &JobsModelPrivate::emitJobUrlsChanged);
 
     connect(job->d, &JobPrivate::closed, this, [this, job] {
         remove(job);