--- a/scribus/plugins/import/pdf/importpdf.cpp
+++ b/scribus/plugins/import/pdf/importpdf.cpp
@@ -74,7 +74,11 @@ PdfPlug::PdfPlug(ScribusDoc* doc, int flags)
 QImage PdfPlug::readThumbnail(const QString& fName)
 {
 	QString pdfFile = QDir::toNativeSeparators(fName);
+#if POPPLER_ENCODED_VERSION >= POPPLER_VERSION_ENCODE(0, 83, 0)
+	globalParams.reset(new GlobalParams());
+#else
 	globalParams = new GlobalParams();
+#endif
 	if (globalParams)
 	{
 #if defined(Q_OS_WIN32) && POPPLER_ENCODED_VERSION >= POPPLER_VERSION_ENCODE(0, 62, 0)
@@ -89,7 +93,9 @@ QImage PdfPlug::readThumbnail(const QString& fName)
 			if (pdfDoc->getErrorCode() == errEncrypted)
 			{
 				delete pdfDoc;
+#if POPPLER_ENCODED_VERSION < POPPLER_VERSION_ENCODE(0, 83, 0)
 				delete globalParams;
+#endif
 				return QImage();
 			}
 			if (pdfDoc->isOk())
@@ -133,11 +139,15 @@ QImage PdfPlug::readThumbnail(const QString& fName)
 				image.setText("YSize", QString("%1").arg(h));
 				delete dev;
 				delete pdfDoc;
+#if POPPLER_ENCODED_VERSION < POPPLER_VERSION_ENCODE(0, 83, 0)
 				delete globalParams;
+#endif
 				return image;
 			}
 			delete pdfDoc;
+#if POPPLER_ENCODED_VERSION < POPPLER_VERSION_ENCODE(0, 83, 0)
 			delete globalParams;
+#endif
 		}
 	}
 	return QImage();
@@ -343,7 +353,11 @@ bool PdfPlug::convert(const QString& fn)
 		qApp->processEvents();
 	}
 
+#if POPPLER_ENCODED_VERSION >= POPPLER_VERSION_ENCODE(0, 83, 0)
+	globalParams.reset(new GlobalParams());
+#else
 	globalParams = new GlobalParams();
+#endif
 	GooString *userPW = nullptr;
 	if (globalParams)
 	{
@@ -385,7 +399,9 @@ bool PdfPlug::convert(const QString& fn)
 					if (progressDialog)
 						progressDialog->close();
 					delete pdfDoc;
+#if POPPLER_ENCODED_VERSION < POPPLER_VERSION_ENCODE(0, 83, 0)
 					delete globalParams;
+#endif
 					return false;
 				}
 				if (progressDialog)
@@ -430,7 +446,9 @@ bool PdfPlug::convert(const QString& fn)
 							progressDialog->close();
 						delete optImp;
 						delete pdfDoc;
+#if POPPLER_ENCODED_VERSION < POPPLER_VERSION_ENCODE(0, 83, 0)
 						delete globalParams;
+#endif
 						return false;
 					}
 					pageString = optImp->getPagesString();
@@ -843,8 +861,12 @@ bool PdfPlug::convert(const QString& fn)
 		}
 		delete pdfDoc;
 	}
+#if POPPLER_ENCODED_VERSION >= POPPLER_VERSION_ENCODE(0, 83, 0)
+	globalParams.release();
+#else
 	delete globalParams;
 	globalParams = nullptr;
+#endif
 
 //	qDebug() << "converting finished";
 //	qDebug() << "Imported" << Elements.count() << "Elements";
diff --git a/scribus/plugins/import/pdf/importpdfconfig.h b/scribus/plugins/import/pdf/importpdfconfig.h
index 9913ee382..5a7e0d216 100644
--- a/scribus/plugins/import/pdf/importpdfconfig.h
+++ b/scribus/plugins/import/pdf/importpdfconfig.h
@@ -58,4 +58,10 @@ for which a new license (GPL+exception) is in place.
 #define POPPLER_CONST_082
 #endif
 
+#if POPPLER_ENCODED_VERSION >= POPPLER_VERSION_ENCODE(0, 83, 0)
+#define POPPLER_CONST_083 const
+#else
+#define POPPLER_CONST_083
+#endif
+
 #endif
diff --git a/scribus/plugins/import/pdf/slaoutput.cpp b/scribus/plugins/import/pdf/slaoutput.cpp
index 5e4d32a55..ffcfa8450 100644
--- a/scribus/plugins/import/pdf/slaoutput.cpp
+++ b/scribus/plugins/import/pdf/slaoutput.cpp
@@ -3678,7 +3678,7 @@ QString SlaOutputDev::getAnnotationColor(const AnnotColor *color)
 	return fNam;
 }
 
-QString SlaOutputDev::convertPath(GfxPath *path)
+QString SlaOutputDev::convertPath(POPPLER_CONST_083 GfxPath *path)
 {
 	if (! path)
 		return QString();
@@ -3688,7 +3688,7 @@ QString SlaOutputDev::convertPath(GfxPath *path)
 
 	for (int i = 0; i < path->getNumSubpaths(); ++i)
 	{
-		GfxSubpath * subpath = path->getSubpath(i);
+		POPPLER_CONST_083 GfxSubpath * subpath = path->getSubpath(i);
 		if (subpath->getNumPoints() > 0)
 		{
 			output += QString("M %1 %2").arg(subpath->getX(0)).arg(subpath->getY(0));
diff --git a/scribus/plugins/import/pdf/slaoutput.h b/scribus/plugins/import/pdf/slaoutput.h
index 60fb90061..d928fada8 100644
--- a/scribus/plugins/import/pdf/slaoutput.h
+++ b/scribus/plugins/import/pdf/slaoutput.h
@@ -282,7 +282,7 @@ private:
 	void getPenState(GfxState *state);
 	QString getColor(GfxColorSpace *color_space, POPPLER_CONST_070 GfxColor *color, int *shade);
 	QString getAnnotationColor(const AnnotColor *color);
-	QString convertPath(GfxPath *path);
+	QString convertPath(POPPLER_CONST_083 GfxPath *path);
 	int getBlendMode(GfxState *state);
 	void applyMask(PageItem *ite);
 	void pushGroup(const QString& maskName = "", GBool forSoftMask = gFalse, GBool alpha = gFalse, bool inverted = false);
--- a/scribus/plugins/import/pdf/slaoutput.cpp
+++ b/scribus/plugins/import/pdf/slaoutput.cpp
@@ -1189,6 +1189,11 @@ void SlaOutputDev::startDoc(PDFDoc *doc, XRef *xrefA, Catalog *catA)
 	catalog = catA;
 	pdfDoc = doc;
 	updateGUICounter = 0;
+#if POPPLER_ENCODED_VERSION >= POPPLER_VERSION_ENCODE(0, 84, 0)
+	m_fontEngine = new SplashFontEngine(true, true, true, true);
+#elif POPPLER_ENCODED_VERSION >= POPPLER_VERSION_ENCODE(0, 61, 0)
+	m_fontEngine = new SplashFontEngine(globalParams->getEnableFreeType(), true, true, true);
+#else
 	m_fontEngine = new SplashFontEngine(
 #if HAVE_T1LIB_H
 	globalParams->getEnableT1lib(),
@@ -1199,6 +1204,7 @@ void SlaOutputDev::startDoc(PDFDoc *doc, XRef *xrefA, Catalog *catA)
 	true,
 #endif
 	true);
+#endif
 }
 
 void SlaOutputDev::startPage(int pageNum, GfxState *, XRef *)