diff --git a/README.md b/README.md
index 661b13121..9c65c4be7 100644
--- a/README.md
+++ b/README.md
@@ -37,7 +37,7 @@ Features
 Building
 ---------
 
-See [Compiling LMMS](https://github.com/LMMS/lmms/wiki/Compiling-lmms) on our
+See [Compiling LMMS](https://github.com/LMMS/lmms/wiki/Compiling) on our
 wiki for information on how to build LMMS.
 
 
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diff --git a/data/themes/default/shadow_c.png b/data/themes/default/shadow_c.png
old mode 100755
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diff --git a/data/themes/default/sin_wave_active.png b/data/themes/default/sin_wave_active.png
old mode 100755
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diff --git a/data/themes/default/sin_wave_inactive.png b/data/themes/default/sin_wave_inactive.png
old mode 100755
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diff --git a/data/themes/default/songeditor.png b/data/themes/default/songeditor.png
old mode 100755
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diff --git a/data/themes/default/soundfont_file.png b/data/themes/default/soundfont_file.png
old mode 100755
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diff --git a/data/themes/default/splash.png b/data/themes/default/splash.png
old mode 100755
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diff --git a/data/themes/default/square_wave_active.png b/data/themes/default/square_wave_active.png
old mode 100755
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diff --git a/data/themes/default/square_wave_inactive.png b/data/themes/default/square_wave_inactive.png
old mode 100755
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diff --git a/data/themes/default/step_btn_add.png b/data/themes/default/step_btn_add.png
old mode 100755
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diff --git a/data/themes/default/step_btn_duplicate.png b/data/themes/default/step_btn_duplicate.png
old mode 100755
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diff --git a/data/themes/default/step_btn_off.png b/data/themes/default/step_btn_off.png
old mode 100755
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diff --git a/data/themes/default/step_btn_off_light.png b/data/themes/default/step_btn_off_light.png
old mode 100755
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diff --git a/data/themes/default/step_btn_remove.png b/data/themes/default/step_btn_remove.png
old mode 100755
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diff --git a/data/themes/default/stepper-down-press.png b/data/themes/default/stepper-down-press.png
old mode 100755
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diff --git a/data/themes/default/stepper-down.png b/data/themes/default/stepper-down.png
old mode 100755
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diff --git a/data/themes/default/stepper-left-press.png b/data/themes/default/stepper-left-press.png
old mode 100755
new mode 100644
diff --git a/data/themes/default/stepper-left.png b/data/themes/default/stepper-left.png
old mode 100755
new mode 100644
diff --git a/data/themes/default/stepper-right-press.png b/data/themes/default/stepper-right-press.png
old mode 100755
new mode 100644
diff --git a/data/themes/default/stepper-right.png b/data/themes/default/stepper-right.png
old mode 100755
new mode 100644
diff --git a/data/themes/default/stepper-up-press.png b/data/themes/default/stepper-up-press.png
old mode 100755
new mode 100644
diff --git a/data/themes/default/stepper-up.png b/data/themes/default/stepper-up.png
old mode 100755
new mode 100644
diff --git a/data/themes/default/stop.png b/data/themes/default/stop.png
old mode 100755
new mode 100644
diff --git a/data/themes/default/style.css b/data/themes/default/style.css
index 73f7547b7..dbcb39fa5 100644
--- a/data/themes/default/style.css
+++ b/data/themes/default/style.css
@@ -615,13 +615,13 @@ TrackContainerView QLabel
 
 /* common pattern colors */
 TrackContentObjectView   {
-	qproperty-mutedColor: rgb(255,255,255,100);
+	qproperty-mutedColor: rgba(255,255,255,100);
 	qproperty-mutedBackgroundColor: #373d48;
 	qproperty-selectedColor: #006B65;
 	qproperty-BBPatternBackground: #373d48;
 	qproperty-textColor: #fff;
 	qproperty-textBackgroundColor: rgba(0, 0, 0, 75);
-	qproperty-textShadowColor: rgb(0,0,0,200);
+	qproperty-textShadowColor: rgba(0,0,0,200);
 	qproperty-gradient: false; /* boolean property, set true to have a gradient */
 	
 	font-size: 11px;
diff --git a/data/themes/default/tempo_sync.png b/data/themes/default/tempo_sync.png
old mode 100755
new mode 100644
diff --git a/data/themes/default/text_block.png b/data/themes/default/text_block.png
old mode 100755
new mode 100644
diff --git a/data/themes/default/text_bold.png b/data/themes/default/text_bold.png
old mode 100755
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diff --git a/data/themes/default/text_center.png b/data/themes/default/text_center.png
old mode 100755
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diff --git a/data/themes/default/text_italic.png b/data/themes/default/text_italic.png
old mode 100755
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diff --git a/data/themes/default/text_left.png b/data/themes/default/text_left.png
old mode 100755
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diff --git a/data/themes/default/text_right.png b/data/themes/default/text_right.png
old mode 100755
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diff --git a/data/themes/default/text_under.png b/data/themes/default/text_under.png
old mode 100755
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diff --git a/data/themes/default/toolbar_bg.png b/data/themes/default/toolbar_bg.png
old mode 100755
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diff --git a/data/themes/default/track_op_grip.png b/data/themes/default/track_op_grip.png
old mode 100755
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diff --git a/data/themes/default/track_shadow_c.png b/data/themes/default/track_shadow_c.png
old mode 100755
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diff --git a/data/themes/default/trackop.png b/data/themes/default/trackop.png
old mode 100755
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diff --git a/data/themes/default/trackop_c.png b/data/themes/default/trackop_c.png
old mode 100755
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diff --git a/data/themes/default/trackop_h.png b/data/themes/default/trackop_h.png
old mode 100755
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diff --git a/data/themes/default/triangle_wave_active.png b/data/themes/default/triangle_wave_active.png
old mode 100755
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diff --git a/data/themes/default/triangle_wave_inactive.png b/data/themes/default/triangle_wave_inactive.png
old mode 100755
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diff --git a/data/themes/default/uhoh.png b/data/themes/default/uhoh.png
old mode 100755
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diff --git a/data/themes/default/unavailable_sound.png b/data/themes/default/unavailable_sound.png
old mode 100755
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diff --git a/data/themes/default/unknown_file.png b/data/themes/default/unknown_file.png
old mode 100755
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diff --git a/data/themes/default/usr_wave_active.png b/data/themes/default/usr_wave_active.png
old mode 100755
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diff --git a/data/themes/default/usr_wave_inactive.png b/data/themes/default/usr_wave_inactive.png
old mode 100755
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diff --git a/data/themes/default/vst_plugin_file.png b/data/themes/default/vst_plugin_file.png
old mode 100755
new mode 100644
diff --git a/data/themes/default/whatsthis.png b/data/themes/default/whatsthis.png
old mode 100755
new mode 100644
diff --git a/data/themes/default/white_key.png b/data/themes/default/white_key.png
old mode 100755
new mode 100644
diff --git a/data/themes/default/white_key_pressed.png b/data/themes/default/white_key_pressed.png
old mode 100755
new mode 100644
diff --git a/data/themes/default/white_noise_wave_active.png b/data/themes/default/white_noise_wave_active.png
old mode 100755
new mode 100644
diff --git a/data/themes/default/white_noise_wave_inactive.png b/data/themes/default/white_noise_wave_inactive.png
old mode 100755
new mode 100644
diff --git a/data/themes/default/zoom.png b/data/themes/default/zoom.png
old mode 100755
new mode 100644
diff --git a/data/themes/default/zoom_x.png b/data/themes/default/zoom_x.png
old mode 100755
new mode 100644
diff --git a/data/themes/default/zoom_y.png b/data/themes/default/zoom_y.png
old mode 100755
new mode 100644
diff --git a/include/EnvelopeAndLfoParameters.h b/include/EnvelopeAndLfoParameters.h
index 4bafbde4b..747bb94c2 100644
--- a/include/EnvelopeAndLfoParameters.h
+++ b/include/EnvelopeAndLfoParameters.h
@@ -121,6 +121,7 @@ private:
 	static LfoInstances * s_lfoInstances;
 	bool m_used;
 
+	QMutex m_paramMutex;
 
 	FloatModel m_predelayModel;
 	FloatModel m_attackModel;
diff --git a/plugins/Eq/EqSpectrumView.cpp b/plugins/Eq/EqSpectrumView.cpp
index 0f29ffec3..d44e01ece 100644
--- a/plugins/Eq/EqSpectrumView.cpp
+++ b/plugins/Eq/EqSpectrumView.cpp
@@ -1,9 +1,8 @@
 /* eqspectrumview.cpp - implementation of EqSpectrumView class.
 *
-* Copyright (c) 2014 David French <dave/dot/french3/at/googlemail/dot/com>
+* Copyright (c) 2014-2017, David French <dave/dot/french3/at/googlemail/dot/com>
 *
 * This file is part of LMMS - https://lmms.io
-*
 * This program is free software; you can redistribute it and/or
 * modify it under the terms of the GNU General Public
 * License as published by the Free Software Foundation; either
@@ -38,6 +37,20 @@ EqAnalyser::EqAnalyser() :
 	m_inProgress=false;
 	m_specBuf = ( fftwf_complex * ) fftwf_malloc( ( FFT_BUFFER_SIZE + 1 ) * sizeof( fftwf_complex ) );
 	m_fftPlan = fftwf_plan_dft_r2c_1d( FFT_BUFFER_SIZE*2, m_buffer, m_specBuf, FFTW_MEASURE );
+
+	//initialize Blackman-Harris window, constants taken from
+	//https://en.wikipedia.org/wiki/Window_function#A_list_of_window_functions
+	const float a0 = 0.35875;
+	const float a1 = 0.48829;
+	const float a2 = 0.14128;
+	const float a3 = 0.01168;
+
+	for(int i = 0; i < FFT_BUFFER_SIZE; i++)
+	{
+		m_fftWindow[i] = ( a0 - a1 * cosf( 2 * F_PI * i / (float)FFT_BUFFER_SIZE - 1 )
+									  + a2 * cosf( 4 * F_PI * i / (float)FFT_BUFFER_SIZE-1)
+									  - a3 * cos( 6 * F_PI * i / (float)FFT_BUFFER_SIZE - 1.0 ));
+	}
 	clear();
 }
 
@@ -84,6 +97,12 @@ void EqAnalyser::analyze( sampleFrame *buf, const fpp_t frames )
 		const int LOWEST_FREQ = 0;
 		const int HIGHEST_FREQ = m_sampleRate / 2;
 
+		//apply FFT window
+		for( int i = 0; i < FFT_BUFFER_SIZE; i++ )
+		{
+			m_buffer[i] = m_buffer[i] * m_fftWindow[i];
+		}
+
 		fftwf_execute( m_fftPlan );
 		absspec( m_specBuf, m_absSpecBuf, FFT_BUFFER_SIZE+1 );
 
diff --git a/plugins/Eq/EqSpectrumView.h b/plugins/Eq/EqSpectrumView.h
index 2c615d888..cd3f17758 100644
--- a/plugins/Eq/EqSpectrumView.h
+++ b/plugins/Eq/EqSpectrumView.h
@@ -32,7 +32,6 @@
 
 
 const int MAX_BANDS = 2048;
-
 class EqAnalyser
 {
 public:
@@ -61,6 +60,7 @@ private:
 	int m_sampleRate;
 	bool m_active;
 	bool m_inProgress;
+	float m_fftWindow[FFT_BUFFER_SIZE];
 };
 
 
diff --git a/src/core/EnvelopeAndLfoParameters.cpp b/src/core/EnvelopeAndLfoParameters.cpp
index 4354c2418..ef23654d3 100644
--- a/src/core/EnvelopeAndLfoParameters.cpp
+++ b/src/core/EnvelopeAndLfoParameters.cpp
@@ -293,6 +293,8 @@ void EnvelopeAndLfoParameters::fillLevel( float * _buf, f_cnt_t _frame,
 						const f_cnt_t _release_begin,
 						const fpp_t _frames )
 {
+	QMutexLocker m(&m_paramMutex);
+
 	if( _frame < 0 || _release_begin < 0 )
 	{
 		return;
@@ -404,6 +406,8 @@ void EnvelopeAndLfoParameters::loadSettings( const QDomElement & _this )
 
 void EnvelopeAndLfoParameters::updateSampleVars()
 {
+	QMutexLocker m(&m_paramMutex);
+
 	const float frames_per_env_seg = SECS_PER_ENV_SEGMENT *
 				Engine::mixer()->processingSampleRate();
 
diff --git a/src/gui/AutomationPatternView.cpp b/src/gui/AutomationPatternView.cpp
index b99660e79..bbcf8274e 100644
--- a/src/gui/AutomationPatternView.cpp
+++ b/src/gui/AutomationPatternView.cpp
@@ -265,7 +265,10 @@ void AutomationPatternView::paintEvent( QPaintEvent * )
 
 	lingrad.setColorAt( 1, c.darker( 300 ) );
 	lingrad.setColorAt( 0, c );
-	
+
+	// paint a black rectangle under the pattern to prevent glitches with transparent backgrounds
+	p.fillRect( rect(), QColor( 0, 0, 0 ) );
+
 	if( gradient() )
 	{
 		p.fillRect( rect(), lingrad );
@@ -482,8 +485,3 @@ void AutomationPatternView::scaleTimemapToFit( float oldMin, float oldMax )
 
 	m_pat->generateTangents();
 }
-
-
-
-
-
diff --git a/src/gui/ExportProjectDialog.cpp b/src/gui/ExportProjectDialog.cpp
index ef070c134..d17981c9e 100644
--- a/src/gui/ExportProjectDialog.cpp
+++ b/src/gui/ExportProjectDialog.cpp
@@ -206,6 +206,7 @@ void ExportProjectDialog::startExport()
 	}
 }
 
+
 void ExportProjectDialog::onFileFormatChanged(int index)
 {
 	// Extract the format tag from the currently selected item,
diff --git a/src/tracks/BBTrack.cpp b/src/tracks/BBTrack.cpp
index dcb2a91a5..841050cc9 100644
--- a/src/tracks/BBTrack.cpp
+++ b/src/tracks/BBTrack.cpp
@@ -240,7 +240,10 @@ void BBTCOView::paintEvent( QPaintEvent * )
 	
 	lingrad.setColorAt( 0, c.light( 130 ) );
 	lingrad.setColorAt( 1, c.light( 70 ) );
-	
+
+	// paint a black rectangle under the pattern to prevent glitches with transparent backgrounds
+	p.fillRect( rect(), QColor( 0, 0, 0 ) );
+
 	if( gradient() )
 	{
 		p.fillRect( rect(), lingrad );
diff --git a/src/tracks/Pattern.cpp b/src/tracks/Pattern.cpp
index c6cb48e4a..a79b21107 100644
--- a/src/tracks/Pattern.cpp
+++ b/src/tracks/Pattern.cpp
@@ -891,6 +891,9 @@ void PatternView::paintEvent( QPaintEvent * )
 	lingrad.setColorAt( beatPattern ? 0 : 1, c.darker( 300 ) );
 	lingrad.setColorAt( beatPattern ? 1 : 0, c );
 
+	// paint a black rectangle under the pattern to prevent glitches with transparent backgrounds
+	p.fillRect( rect(), QColor( 0, 0, 0 ) );
+
 	if( gradient() )
 	{
 		p.fillRect( rect(), lingrad );
@@ -1129,7 +1132,7 @@ void PatternView::paintEvent( QPaintEvent * )
 		paintTextLabel(m_pat->name(), p);
 	}
 
-	if( !beatPattern )
+	if( !( fixedTCOs() && beatPattern ) )
 	{
 		// inner border
 		p.setPen( c.lighter( current ? 160 : 130 ) );
diff --git a/src/tracks/SampleTrack.cpp b/src/tracks/SampleTrack.cpp
index 8ca8a4b90..3fe8035d9 100644
--- a/src/tracks/SampleTrack.cpp
+++ b/src/tracks/SampleTrack.cpp
@@ -478,6 +478,9 @@ void SampleTCOView::paintEvent( QPaintEvent * pe )
 	lingrad.setColorAt( 1, c.darker( 300 ) );
 	lingrad.setColorAt( 0, c );
 
+	// paint a black rectangle under the pattern to prevent glitches with transparent backgrounds
+	p.fillRect( rect(), QColor( 0, 0, 0 ) );
+
 	if( gradient() )
 	{
 		p.fillRect( rect(), lingrad );