diff --git a/tools/chatgui/src/mainwindow.cpp b/tools/chatgui/src/mainwindow.cpp
index b73d9c6d..b4e9ff9f 100644
--- a/tools/chatgui/src/mainwindow.cpp
+++ b/tools/chatgui/src/mainwindow.cpp
@@ -783,7 +783,7 @@ void MainWindow::onCallAccepted(quint64 callId) {
         if (request) { request->inst = gui_bridge_get_inst(); request->call_id = callId; gui_bridge_post_uasync_fn(call_hangup_trampoline, request); }
         else DEBUG_ERROR(DEBUG_CATEGORY_CALL, "desktop failed call hangup allocation failed");
         closeCallWindow(callId);
-        QMessageBox::information(this, QStringLiteral("vibechat"), QCoreApplication::translate("ChatGui", "The microphone is used by a call, radio or recording"));
+        QMessageBox::information(this, QStringLiteral("vibechat"), QCoreApplication::translate("ChatGui", "The microphone is used by another operation"));
     }
 }
 
diff --git a/tools/chatgui/src/stream_publish_engine.cpp b/tools/chatgui/src/stream_publish_engine.cpp
index aac5af6b..b84ba8b3 100644
--- a/tools/chatgui/src/stream_publish_engine.cpp
+++ b/tools/chatgui/src/stream_publish_engine.cpp
@@ -194,7 +194,7 @@ bool StreamPublishEngine::start(uint64_t group, const StreamPublishConfig& confi
     if (!supported() || !codecs().contains(config.video.codec)) { emit errorOccurred(text("Video capture or encoder is unavailable")); return false; }
     if (config.audio && !m_microphone.acquire()) {
         DEBUG_WARN(DEBUG_CATEGORY_STREAM, "desktop publication blocked: microphone owned by another operation");
-        emit errorOccurred(text("The microphone is used by a call, radio or recording")); return false;
+        emit errorOccurred(text("The microphone is used by another operation")); return false;
     }
     { std::lock_guard<std::mutex> guard(m->lock);
       m->wanted = config; m->good = {}; m->hasGood = m->rollingBack = false; m->generation++; m->confirmedGeneration = 0;
@@ -214,7 +214,8 @@ bool StreamPublishEngine::start(uint64_t group, const StreamPublishConfig& confi
     if (!openSource(config) || (config.audio && !openMicrophone())) {
         sourceFailed(m->generation, text("Could not open the selected capture device")); return false;
     }
-    emit stateChanged(text("Starting stream…")); emit configurationChanged(); return true;
+    emit stateChanged(config.source.id == "portal" ? text("Select a screen or window in the system dialog") : text("Starting stream…"));
+    emit configurationChanged(); return true;
 }
 
 bool StreamPublishEngine::reconfigure(const StreamPublishConfig& config) {
@@ -453,9 +454,11 @@ void StreamPublishEngine::tick() {
         emit stateChanged(text("Stopped")); emit configurationChanged(); return;
     }
     if (m->running) {
-        bool confirmed; int64_t started;
-        { std::lock_guard<std::mutex> guard(m->lock); confirmed = m->confirmedGeneration == m->generation; started = m->started; }
-        if (!confirmed && monotonicUs() - started > 8000000) sourceFailed(m->generation, text("Timed out waiting for the first video frame"));
+        bool confirmed, waitingSelection; int64_t started;
+        { std::lock_guard<std::mutex> guard(m->lock); confirmed = m->confirmedGeneration == m->generation; started = m->started;
+          waitingSelection = m->wanted.source.id == "portal" && m->framePts < 0; }
+        if (!confirmed && !waitingSelection && monotonicUs() - started > 8000000)
+            sourceFailed(m->generation, text("Timed out waiting for the first video frame"));
         if (m->wanted.audio && m_capture.needsRecovery()) { m_capture.close(); m_capture.retryLater(); }
         if (m->wanted.audio && m_capture.retryReady()) openMicrophone();
     }
diff --git a/tools/chatgui/src/stream_publish_window.cpp b/tools/chatgui/src/stream_publish_window.cpp
index f625ae0d..f6130a66 100644
--- a/tools/chatgui/src/stream_publish_window.cpp
+++ b/tools/chatgui/src/stream_publish_window.cpp
@@ -59,7 +59,7 @@ StreamPublishWindow::StreamPublishWindow(StreamPublishEngine* engine, uint64_t g
     for (int angle : {0, 90, 270}) {
         auto* button = new QPushButton(QStringLiteral("%1°").arg(angle), settings); button->setCheckable(true); button->setFixedSize(66, 34);
         QPixmap icon(20, 20); icon.fill(Qt::transparent); QPainter painter(&icon);
-        painter.translate(10, 10); painter.rotate(angle); painter.setPen(QPen(QColor("#e53935"), 3)); painter.drawLine(-6, -6, 6, -6);
+        painter.translate(10, 10); painter.rotate(-angle); painter.setPen(QPen(QColor("#e53935"), 3)); painter.drawLine(-6, -6, 6, -6);
         painter.setPen(QPen(palette().color(QPalette::Text), 1)); painter.drawLine(-6, -4, -6, 6); painter.drawLine(6, -4, 6, 6); painter.drawLine(-6, 6, 6, 6);
         painter.end(); button->setIcon(QIcon(icon)); button->setToolTip(text("The red edge marks the top for viewers"));
         button->setStyleSheet("QPushButton:checked { background: #1976d2; color: white; }");
@@ -137,6 +137,13 @@ void StreamPublishWindow::synchronize() {
             && m_sources[i].id == config.source.id && m_sources[i].window == config.source.window) m_source->setCurrentIndex(i);
         for (int i = 0; i < m_mode->count(); i++) if (m_mode->itemData(i).toList() == QVariantList{config.video.width, config.video.height, config.video.fps}) m_mode->setCurrentIndex(i);
         m_codec->setCurrentIndex(m_codec->findData(config.video.codec));
+        int automatic = std::clamp(config.video.width * config.video.height * config.video.fps / 11, 250000, 16000000);
+        int bitrateIndex = config.video.bitrate == automatic && m_bitrate->currentData().toInt() == 0 ? 0 : m_bitrate->findData(config.video.bitrate);
+        if (bitrateIndex < 0) {
+            m_bitrate->addItem(QStringLiteral("%1 Mbit/s").arg(config.video.bitrate / 1000000.0, 0, 'f', 2), config.video.bitrate);
+            bitrateIndex = m_bitrate->count() - 1;
+        }
+        m_bitrate->setCurrentIndex(bitrateIndex);
         if (auto* button = m_rotation->button(config.video.rotation)) button->setChecked(true);
         m_audio->setChecked(config.audio); m_microphone->setCurrentIndex(m_microphone->findData(config.microphone));
     }