diff --git a/mainwindow.cpp b/mainwindow.cpp
index 0b19ee10a..689186fe1 100644
--- a/mainwindow.cpp
+++ b/mainwindow.cpp
@@ -46,7 +46,7 @@ QMainWindow* mainWindow;
 
 QTimer autorecovery_timer;
 QString config_dir;
-QString appName = "Olive (October 2018 | Alpha)";
+QString appName = "Olive (November 2018 | Alpha)";
 bool demoNoticeShown = false;
 
 void MainWindow::setup_layout() {
@@ -62,8 +62,10 @@ void MainWindow::setup_layout() {
     addDockWidget(Qt::TopDockWidgetArea, panel_sequence_viewer);
 	addDockWidget(Qt::BottomDockWidgetArea, panel_timeline);
 
-	// workaround for older versions of Qt
+	// workaround for older versions of Qt (but not too old)
+#if QT_VERSION >= QT_VERSION_CHECK(5, 6, 0) // adds compatibility with 5.5
 	resizeDocks({panel_project}, {40}, Qt::Horizontal);
+#endif
 }
 
 MainWindow::MainWindow(QWidget *parent) :
diff --git a/playback/cacher.cpp b/playback/cacher.cpp
index 9a439ccbc..abcdaca8f 100644
--- a/playback/cacher.cpp
+++ b/playback/cacher.cpp
@@ -326,7 +326,7 @@ void cache_audio_worker(Clip* c, bool scrubbing, Clip* nest) {
 			long buffer_timeline_out = get_buffer_offset_from_frame(c->sequence, timeline_out);
             audio_write_lock.lock();
 			while (c->frame_sample_index < nb_bytes
-				   && c->audio_buffer_write < audio_ibuffer_read+audio_ibuffer_size-AUDIO_BUFFER_PADDING
+				   && c->audio_buffer_write < audio_ibuffer_read+(audio_ibuffer_size>>1)
 				   && c->audio_buffer_write < buffer_timeline_out) {
 				int upper_byte_index = (c->audio_buffer_write+1)%audio_ibuffer_size;
 				int lower_byte_index = (c->audio_buffer_write)%audio_ibuffer_size;