diff --git a/Drawers/Windows.qml b/Drawers/Windows.qml
index 957b21f..88dc8dd 100644
--- a/Drawers/Windows.qml
+++ b/Drawers/Windows.qml
@@ -239,6 +239,8 @@ Variants {
 					property real extraHeight: panels.popouts.isDetached ? 0 : 0.2
 
 					deformAmount: panels.popouts.isDetached ? 0.05 * Config.appearance.deform.scale : panels.popouts.hasCurrent ? 0.15 * Config.appearance.deform.scale : 0.1 * Config.appearance.deform.scale
+					targetHeight: panels.popouts.height * (1 + extraHeight)
+					targetWidth: panels.popouts.width
 					implicitHeight: panels.popouts.height * (1 + extraHeight)
 					implicitWidth: panels.popouts.width
 					panel: panels.popouts
@@ -380,6 +382,8 @@ Variants {
 		property real deformAmount: 0.15
 		required property Item panel
 
+		targetHeight: panel.height
+		targetWidth: panel.width
 		deformScale: deformAmount / 10000
 		group: blobGroup
 		implicitHeight: panel.height
diff --git a/Plugins/ZShell/Blobs/blobshape.cpp b/Plugins/ZShell/Blobs/blobshape.cpp
index 85bebf2..5089540 100644
--- a/Plugins/ZShell/Blobs/blobshape.cpp
+++ b/Plugins/ZShell/Blobs/blobshape.cpp
@@ -59,6 +59,20 @@ void BlobShape::setRadius(qreal r) {
 		m_group->markDirty();
 }
 
+void BlobShape::setTargetWidth(qreal w) {
+	if (qFuzzyCompare(m_targetWidth, w))
+		return;
+	m_targetWidth = w;
+	emit targetWidthChanged();
+}
+
+void BlobShape::setTargetHeight(qreal h) {
+	if (qFuzzyCompare(m_targetHeight, h))
+		return;
+	m_targetHeight = h;
+	emit targetHeightChanged();
+}
+
 void BlobShape::componentComplete() {
 	QQuickItem::componentComplete();
 	if (m_group)
@@ -118,6 +132,17 @@ void BlobShape::updatePolish() {
 	if (!m_group)
 		return;
 
+	// Check if target dimensions (panel size) have changed since last polish.
+	// This catches cases where the panel's implicit size changes but the
+	// BlobRect's geometry doesn't update (e.g. parent Rectangle doesn't
+	// respect implicit sizes), which would otherwise skip dirty marking.
+	if (!qFuzzyCompare(m_targetWidth, m_lastPolishTargetWidth) ||
+	    !qFuzzyCompare(m_targetHeight, m_lastPolishTargetHeight)) {
+		m_lastPolishTargetWidth = m_targetWidth;
+		m_lastPolishTargetHeight = m_targetHeight;
+		m_group->markDirty();
+	}
+
 	// Ensure all shapes have up-to-date physics (only once per frame)
 	m_group->ensurePhysicsUpdated();
 
diff --git a/Plugins/ZShell/Blobs/blobshape.hpp b/Plugins/ZShell/Blobs/blobshape.hpp
index aa1d018..05b01f4 100644
--- a/Plugins/ZShell/Blobs/blobshape.hpp
+++ b/Plugins/ZShell/Blobs/blobshape.hpp
@@ -14,6 +14,8 @@ Q_PROPERTY(BlobGroup* group READ group WRITE setGroup NOTIFY groupChanged)
 Q_PROPERTY(qreal radius READ radius WRITE setRadius NOTIFY radiusChanged)
 Q_PROPERTY(QMatrix4x4 deformMatrix READ deformMatrix NOTIFY deformMatrixChanged)
 Q_PROPERTY(QMatrix4x4 rawDeformMatrix READ rawDeformMatrix NOTIFY rawDeformMatrixChanged)
+Q_PROPERTY(qreal targetWidth READ targetWidth WRITE setTargetWidth NOTIFY targetWidthChanged)
+Q_PROPERTY(qreal targetHeight READ targetHeight WRITE setTargetHeight NOTIFY targetHeightChanged)
 
 friend class BlobGroup;
 
@@ -42,10 +44,23 @@ QMatrix4x4 rawDeformMatrix() const {
 }
 
 signals:
-void groupChanged();
-void radiusChanged();
-void deformMatrixChanged();
-void rawDeformMatrixChanged();
+	void groupChanged();
+	void radiusChanged();
+	void deformMatrixChanged();
+	void rawDeformMatrixChanged();
+	void targetWidthChanged();
+	void targetHeightChanged();
+
+public:
+	qreal targetWidth() const {
+		return m_targetWidth;
+	}
+	void setTargetWidth(qreal w);
+
+	qreal targetHeight() const {
+		return m_targetHeight;
+	}
+	void setTargetHeight(qreal h);
 
 protected:
 void componentComplete() override;
@@ -84,8 +99,12 @@ QRectF m_localPaddedRect;
 QVector<BlobRectData> m_cachedRects;
 int m_cachedMyIndex = -2;
 float m_pendingDx = 0;
-float m_pendingDy = 0;
-bool m_cachedHasInverted = false;
+	float m_pendingDy = 0;
+	qreal m_targetWidth = 0;
+	qreal m_targetHeight = 0;
+	qreal m_lastPolishTargetWidth = -1;
+	qreal m_lastPolishTargetHeight = -1;
+	bool m_cachedHasInverted = false;
 float m_cachedInvertedRadius = 0;
 float m_cachedInvertedOuter[4] = {};
 float m_cachedInvertedInner[4] = {};