diff -Nurpd a/scribus/commonstrings.cpp b/scribus/commonstrings.cpp
--- a/scribus/commonstrings.cpp	2025-03-29 15:01:00.000000000 +0100
+++ b/scribus/commonstrings.cpp	2025-03-29 18:29:04.792564903 +0100
@@ -185,6 +185,7 @@ QString CommonStrings::PDF_1_4;
 QString CommonStrings::PDF_1_5;
 QString CommonStrings::PDF_1_6;
 QString CommonStrings::PDF_X1a;
+QString CommonStrings::PDF_X1a_2003;
 QString CommonStrings::PDF_X3;
 QString CommonStrings::PDF_X4;
 
@@ -458,8 +459,9 @@ void CommonStrings::languageChange()
 	CommonStrings::PDF_1_4      = "PDF 1.4";
 	CommonStrings::PDF_1_5      = "PDF 1.5";
 	CommonStrings::PDF_1_6      = "PDF 1.6";
-	CommonStrings::PDF_X1a      = "PDF/X-1a";
-	CommonStrings::PDF_X3       = "PDF/X-3";
+	CommonStrings::PDF_X1a      = "PDF/X-1a:2001";
+	CommonStrings::PDF_X1a_2003 = "PDF/X-1a:2003";
+	CommonStrings::PDF_X3       = "PDF/X-3:2002";
 	CommonStrings::PDF_X4       = "PDF/X-4";
 
 	CommonStrings::PostScript1   = "PostScript Level 1";
diff -Nurpd a/scribus/commonstrings.h b/scribus/commonstrings.h
--- a/scribus/commonstrings.h	2025-03-29 15:01:00.000000000 +0100
+++ b/scribus/commonstrings.h	2025-03-29 18:29:04.792564903 +0100
@@ -261,6 +261,7 @@ public:
 	static QString PDF_1_5;
 	static QString PDF_1_6;
 	static QString PDF_X1a;
+	static QString PDF_X1a_2003;
 	static QString PDF_X3;
 	static QString PDF_X4;
 
diff -Nurpd a/scribus/pdflib_core.cpp b/scribus/pdflib_core.cpp
--- a/scribus/pdflib_core.cpp	2025-03-29 15:01:00.000000000 +0100
+++ b/scribus/pdflib_core.cpp	2025-03-29 18:29:04.792564903 +0100
@@ -618,6 +618,8 @@ bool PDFLibCore::PDF_IsPDFX() const
 {
 	if (Options.Version == PDFVersion::PDF_X1a)
 		return true;
+	if (Options.Version == PDFVersion::PDF_X1a_2003)
+		return true;
 	if (Options.Version == PDFVersion::PDF_X3)
 		return true;
 	if (Options.Version == PDFVersion::PDF_X4)
@@ -629,6 +631,8 @@ bool PDFLibCore::PDF_IsPDFX(const PDFVer
 {
 	if (ver == PDFVersion::PDF_X1a)
 		return true;
+	if (ver == PDFVersion::PDF_X1a_2003)
+		return true;
 	if (ver == PDFVersion::PDF_X3)
 		return true;
 	if (ver == PDFVersion::PDF_X4)
@@ -1143,6 +1147,11 @@ void PDFLibCore::PDF_Begin_MetadataAndEn
 		PutDoc("/GTS_PDFXVersion (PDF/X-1:2001)\n");
 		PutDoc("/GTS_PDFXConformance (PDF/X-1a:2001)\n");
 	}
+	if (Options.Version == PDFVersion::PDF_X1a_2003)
+	{
+		PutDoc("/GTS_PDFXVersion (PDF/X-1:2003)\n");
+		PutDoc("/GTS_PDFXConformance (PDF/X-1a:2003)\n");
+	}
 	if (Options.Version == PDFVersion::PDF_X3)
 		PutDoc("/GTS_PDFXVersion (PDF/X-3:2002)\n");
 	if (Options.Version == PDFVersion::PDF_X4)
@@ -2456,7 +2465,7 @@ void PDFLibCore::PDF_Begin_Colors()
 		Transpar[HTName] = writeGState("/HT " + Pdf::toPdf(halftones) + " 0 R\n");
 		ResCount++;
 	}
-	if ((doc.HasCMS) && (Options.UseProfiles) && (Options.Version != PDFVersion::PDF_X1a))
+	if ((doc.HasCMS) && (Options.UseProfiles) && ((Options.Version != PDFVersion::PDF_X1a) || (Options.Version != PDFVersion::PDF_X1a_2003)))
 	{
 		PdfId iccProfileObject = writer.newObject();
 		writer.startObj(iccProfileObject);
@@ -11895,6 +11904,11 @@ void PDFLibCore::generateXMP(const QStri
 			descPDFXID.setAttributeNS(pdfxidNS, "pdfx:GTS_PDFXConformance", "PDF/X-1a:2001");
 			descPDFXID.setAttribute("pdfx:GTS_PDFXVersion", "PDF/X-1:2001");
 		}
+		if (Options.Version == PDFVersion::PDF_X1a_2003)
+		{
+			descPDFXID.setAttributeNS(pdfxidNS, "pdfx:GTS_PDFXConformance", "PDF/X-1a:2003");
+			descPDFXID.setAttribute("pdfx:GTS_PDFXVersion", "PDF/X-1:2003");
+		}
 		else if (Options.Version == PDFVersion::PDF_X3)
 			descPDFXID.setAttributeNS(pdfxidNS, "pdfxid:GTS_PDFXVersion", "PDF/X-3");
 		else if (Options.Version == PDFVersion::PDF_X4)
diff -Nurpd a/scribus/pdfoptionsio.cpp b/scribus/pdfoptionsio.cpp
--- a/scribus/pdfoptionsio.cpp	2025-03-29 15:01:00.000000000 +0100
+++ b/scribus/pdfoptionsio.cpp	2025-03-29 18:29:04.796564849 +0100
@@ -114,6 +114,9 @@ void PDFOptionsIO::buildSettings()
 		case PDFVersion::PDF_X1a:
 			pdfVersString = "X1a";
 			break;
+		case PDFVersion::PDF_X1a_2003:
+			pdfVersString = "X1a:2003";
+			break;
 		case PDFVersion::PDF_X3:
 			pdfVersString = "X3";
 			break;
@@ -450,6 +453,11 @@ bool PDFOptionsIO::readPDFVersion()
 		m_opts->Version = PDFVersion::PDF_X1a;
 		return true;
 	}
+	if (pdfVersString == "X1a:2003")
+	{
+		m_opts->Version = PDFVersion::PDF_X1a_2003;
+		return true;
+	}
 	if (pdfVersString == "X3")
 	{
 		m_opts->Version = PDFVersion::PDF_X3;
diff -Nurpd a/scribus/pdfversion.h b/scribus/pdfversion.h
--- a/scribus/pdfversion.h	2025-03-29 15:01:00.000000000 +0100
+++ b/scribus/pdfversion.h	2025-03-29 18:29:04.796564849 +0100
@@ -18,10 +18,11 @@ public:
 		PDF_14  = 14,
 		PDF_15  = 15,
 		PDF_16  = 16,
-		PDF_X1a = 11,
-		PDF_X3  = 12,
-		PDF_X4  = 10,
-		PDFVersion_Min = 10,
+		PDF_X1a = 9,
+		PDF_X1a_2003 = 10,
+		PDF_X3  = 11,
+		PDF_X4  = 12,
+		PDFVersion_Min = 9,
 		PDFVersion_Max = 16,
 	};
 	
diff -Nurpd a/scribus/pdfwriter.cpp b/scribus/pdfwriter.cpp
--- a/scribus/pdfwriter.cpp	2025-03-29 15:01:00.000000000 +0100
+++ b/scribus/pdfwriter.cpp	2025-03-29 18:29:04.796564849 +0100
@@ -707,6 +707,7 @@ namespace Pdf
 			case PDFVersion::PDF_13:
 				write("%PDF-1.3\n");
 				break;
+			case PDFVersion::PDF_X1a_2003:
 			case PDFVersion::PDF_14:
 				write("%PDF-1.4\n");
 				break;
diff -Nurpd a/scribus/plugins/scriptplugin/objpdffile.cpp b/scribus/plugins/scriptplugin/objpdffile.cpp
--- a/scribus/plugins/scriptplugin/objpdffile.cpp	2025-03-29 15:01:00.000000000 +0100
+++ b/scribus/plugins/scriptplugin/objpdffile.cpp	2025-03-29 18:29:04.796564849 +0100
@@ -1424,6 +1424,7 @@ static PyObject *PDFfile_save(PDFfile *s
 	// Apply font embedding mode
 	pdfOptions.FontEmbedding = (PDFOptions::PDFFontEmbedding) PyLong_AsLong(self->fontEmbedding);
 	if (pdfOptions.Version == PDFVersion::PDF_X1a ||
+	    pdfOptions.Version == PDFVersion::PDF_X1a_2003 ||
 	    pdfOptions.Version == PDFVersion::PDF_X3 ||
 	    pdfOptions.Version == PDFVersion::PDF_X4)
 	{
@@ -1586,6 +1587,7 @@ static PyObject *PDFfile_save(PDFfile *s
 			pdfOptions.ImageProf = PyUnicode_asQString(self->imagepr);
 			pdfOptions.PrintProf = PyUnicode_asQString(self->printprofc);
 			if (pdfOptions.Version == PDFVersion::PDF_X1a ||
+				pdfOptions.Version == PDFVersion::PDF_X1a_2003 ||
 				pdfOptions.Version == PDFVersion::PDF_X3 ||
 				pdfOptions.Version == PDFVersion::PDF_X4)
 			{
diff -Nurpd a/scribus/plugins/scriptplugin_py2x/objpdffile.cpp b/scribus/plugins/scriptplugin_py2x/objpdffile.cpp
--- a/scribus/plugins/scriptplugin_py2x/objpdffile.cpp	2025-03-29 15:01:00.000000000 +0100
+++ b/scribus/plugins/scriptplugin_py2x/objpdffile.cpp	2025-03-29 18:29:04.796564849 +0100
@@ -1407,6 +1407,7 @@ static PyObject *PDFfile_save(PDFfile *s
 	// Apply font embedding mode
 	pdfOptions.FontEmbedding = (PDFOptions::PDFFontEmbedding) PyLong_AsLong(self->fontEmbedding);
 	if (pdfOptions.Version == PDFVersion::PDF_X1a ||
+	    pdfOptions.Version == PDFVersion::PDF_X1a_2003 ||
 	    pdfOptions.Version == PDFVersion::PDF_X3 ||
 	    pdfOptions.Version == PDFVersion::PDF_X4)
 	{
@@ -1569,6 +1570,7 @@ static PyObject *PDFfile_save(PDFfile *s
 			pdfOptions.ImageProf = PyString_AsString(self->imagepr);
 			pdfOptions.PrintProf = PyString_AsString(self->printprofc);
 			if (pdfOptions.Version == PDFVersion::PDF_X1a ||
+				pdfOptions.Version == PDFVersion::PDF_X1a_2003 ||
 				pdfOptions.Version == PDFVersion::PDF_X3 ||
 				pdfOptions.Version == PDFVersion::PDF_X4)
 			{
diff -Nurpd a/scribus/prefsmanager.cpp b/scribus/prefsmanager.cpp
--- a/scribus/prefsmanager.cpp	2025-03-29 15:01:00.000000000 +0100
+++ b/scribus/prefsmanager.cpp	2025-03-29 18:29:04.796564849 +0100
@@ -2840,6 +2840,7 @@ void PrefsManager::initDefaultCheckerPre
 	checkerSettings.checkNotCMYKOrSpot = true;
 	checkerSettings.checkDeviceColorsAndOutputIntent = false;
 	cp.insert(CommonStrings::PDF_X1a	, checkerSettings);
+	cp.insert(CommonStrings::PDF_X1a_2003   , checkerSettings);
 	checkerSettings.checkNotCMYKOrSpot = false;
 	checkerSettings.checkDeviceColorsAndOutputIntent = true;
 	checkerSettings.checkTransparency = false;
diff -Nurpd a/scribus/ui/checkDocument.cpp b/scribus/ui/checkDocument.cpp
--- a/scribus/ui/checkDocument.cpp	2025-03-29 15:01:00.000000000 +0100
+++ b/scribus/ui/checkDocument.cpp	2025-03-29 18:29:04.796564849 +0100
@@ -172,6 +172,8 @@ QString CheckDocument::bestCheckerProfil
 			bestProfile = CommonStrings::PDF_1_6;
 		else if (pdfVersion == PDFVersion::PDF_X1a)
 			bestProfile = CommonStrings::PDF_X1a;
+		else if (pdfVersion == PDFVersion::PDF_X1a_2003)
+			bestProfile = CommonStrings::PDF_X1a_2003;
 		else if (pdfVersion == PDFVersion::PDF_X3)
 			bestProfile = CommonStrings::PDF_X3;
 		else if (pdfVersion == PDFVersion::PDF_X4)
diff -Nurpd a/scribus/ui/outputpreview_pdf.cpp b/scribus/ui/outputpreview_pdf.cpp
--- a/scribus/ui/outputpreview_pdf.cpp	2025-03-29 15:01:00.000000000 +0100
+++ b/scribus/ui/outputpreview_pdf.cpp	2025-03-29 18:29:04.796564849 +0100
@@ -536,7 +536,7 @@ bool OutputPreview_PDF::createPreviewFil
 	m_pdfOptions.Thumbnails = false; //Disable thumbnails too
 
 	QString profileDescription;
-	if ((m_pdfOptions.Version == PDFVersion::PDF_X3) || (m_pdfOptions.Version == PDFVersion::PDF_X1a) || (m_pdfOptions.Version == PDFVersion::PDF_X4))
+	if ((m_pdfOptions.Version == PDFVersion::PDF_X1a) || (m_pdfOptions.Version == PDFVersion::PDF_X1a_2003) || (m_pdfOptions.Version == PDFVersion::PDF_X3) || (m_pdfOptions.Version == PDFVersion::PDF_X4))
 	{
 		if (m_pdfOptions.Info.isEmpty())
 		{
@@ -1044,7 +1044,7 @@ void OutputPreview_PDF::setUiOptionsToPD
 	}
 	
 	// PDF/X-1, no profile embedding
-	if (pdfOptions.Version == PDFVersion::PDF_X1a)
+	if (pdfOptions.Version == PDFVersion::PDF_X1a || pdfOptions.Version == PDFVersion::PDF_X1a_2003)
 	{
 		pdfOptions.UseProfiles = false;
 		pdfOptions.UseProfiles2 = false;
diff -Nurpd a/scribus/ui/pdfexportdialog.cpp b/scribus/ui/pdfexportdialog.cpp
--- a/scribus/ui/pdfexportdialog.cpp	2025-03-29 15:01:00.000000000 +0100
+++ b/scribus/ui/pdfexportdialog.cpp	2025-03-29 18:29:04.796564849 +0100
@@ -373,7 +373,7 @@ void PDFExportDialog::updateDocOptions()
 			{
 				m_opts.UseProfiles = Options->EmbedProfs->isChecked();
 				m_opts.UseProfiles2 = Options->EmbedProfs2->isChecked();
-				if (m_opts.Version != PDFVersion::PDF_X1a)
+				if ((m_opts.Version != PDFVersion::PDF_X1a) || (m_opts.Version != PDFVersion::PDF_X1a_2003))
 				{
 					m_opts.Intent = Options->IntendS->currentIndex();
 					m_opts.Intent2 = Options->IntendI->currentIndex();
@@ -382,7 +382,7 @@ void PDFExportDialog::updateDocOptions()
 					m_opts.ImageProf = Options->ImageP->currentText();
 				}
 				m_opts.PrintProf = Options->PrintProfC->currentText();
-				if ((m_opts.Version == PDFVersion::PDF_X3) || (m_opts.Version == PDFVersion::PDF_X1a) || (m_opts.Version == PDFVersion::PDF_X4))
+				if ((m_opts.Version == PDFVersion::PDF_X1a) || (m_opts.Version == PDFVersion::PDF_X1a_2003) || (m_opts.Version == PDFVersion::PDF_X3) || (m_opts.Version == PDFVersion::PDF_X4))
 				{
 					m_opts.Info = Options->InfoString->text();
 					m_opts.Encrypt = false;
diff -Nurpd a/scribus/ui/pdfversioncombo.cpp b/scribus/ui/pdfversioncombo.cpp
--- a/scribus/ui/pdfversioncombo.cpp	2025-03-29 15:01:00.000000000 +0100
+++ b/scribus/ui/pdfversioncombo.cpp	2025-03-29 18:29:04.796564849 +0100
@@ -40,6 +40,8 @@ PDFVersion PdfVersionCombo::version() co
 		return PDFVersion::PDF_16;
 	if (curIndex == PdfVersionModel::ItemPDFX_1a)
 		return PDFVersion::PDF_X1a;
+	if (curIndex == PdfVersionModel::ItemPDFX_1a_2003)
+		return PDFVersion::PDF_X1a_2003;
 	if (curIndex == PdfVersionModel::ItemPDFX_3)
 		return PDFVersion::PDF_X3;
 	if (curIndex == PdfVersionModel::ItemPDFX_4)
@@ -61,6 +63,8 @@ bool PdfVersionCombo::versionIs(const PD
 		return (curIndex == PdfVersionModel::ItemPDF_16);
 	if (version == PDFVersion::PDF_X1a)
 		return (curIndex == PdfVersionModel::ItemPDFX_1a);
+	if (version == PDFVersion::PDF_X1a_2003)
+		return (curIndex == PdfVersionModel::ItemPDFX_1a_2003);
 	if (version == PDFVersion::PDF_X3)
 		return (curIndex == PdfVersionModel::ItemPDFX_3);
 	if (version == PDFVersion::PDF_X4)
@@ -73,6 +77,8 @@ bool PdfVersionCombo::versionIsPDFX() co
 	int curIndex = currentIndex();
 	if (curIndex == PdfVersionModel::ItemPDFX_1a)
 		return true;
+        if (curIndex == PdfVersionModel::ItemPDFX_1a_2003)
+                return true;
 	if (curIndex == PdfVersionModel::ItemPDFX_3)
 		return true;
 	if (curIndex == PdfVersionModel::ItemPDFX_4)
@@ -87,6 +93,11 @@ void PdfVersionCombo::setVersion(const P
 		setCurrentIndex(PdfVersionModel::ItemPDF_13);
 		return;
 	}
+	if ((version == PDFVersion::PDF_X1a_2003) && !m_isPdfXEnabled)
+	{
+		setCurrentIndex(PdfVersionModel::ItemPDF_14);
+		return;
+	}
 	if ((version == PDFVersion::PDF_X3) && !m_isPdfXEnabled)
 	{
 		setCurrentIndex(PdfVersionModel::ItemPDF_13);
@@ -108,6 +119,8 @@ void PdfVersionCombo::setVersion(const P
 		setCurrentIndex(PdfVersionModel::ItemPDF_16);
 	else if  (version == PDFVersion::PDF_X1a)
 		setCurrentIndex(PdfVersionModel::ItemPDFX_1a);
+	else if  (version == PDFVersion::PDF_X1a_2003)
+		setCurrentIndex(PdfVersionModel::ItemPDFX_1a_2003);
 	else if  (version == PDFVersion::PDF_X3)
 		setCurrentIndex(PdfVersionModel::ItemPDFX_3);
 	else if  (version == PDFVersion::PDF_X4)
@@ -125,6 +138,8 @@ void PdfVersionCombo::setPDFXEnabled(boo
 	{
 		if ((oldVersion == PDFVersion::PDF_X1a) && !enabled) 
 			setCurrentIndex((int) PdfVersionModel::ItemPDF_13);
+		if ((oldVersion == PDFVersion::PDF_X1a_2003) && !enabled) 
+			setCurrentIndex((int) PdfVersionModel::ItemPDF_14);
 		if ((oldVersion == PDFVersion::PDF_X3) && !enabled) 
 			setCurrentIndex((int) PdfVersionModel::ItemPDF_13);
 		if ((oldVersion == PDFVersion::PDF_X4) && !enabled) 
diff -Nurpd a/scribus/ui/pdfversionmodel.cpp b/scribus/ui/pdfversionmodel.cpp
--- a/scribus/ui/pdfversionmodel.cpp	2025-03-29 15:01:00.000000000 +0100
+++ b/scribus/ui/pdfversionmodel.cpp	2025-03-29 18:32:05.818142325 +0100
@@ -11,7 +11,7 @@ for which a new license (GPL+exception)
 PdfVersionModel::PdfVersionModel(QObject *parent)
 	          : QAbstractItemModel(parent)
 {
-	m_enabledVec << true << true << true << true << false << false << false;
+	m_enabledVec << true << true << true << true << false << false << false << false;
 }
 
 int PdfVersionModel::columnCount(const QModelIndex &/*parent*/) const
@@ -41,6 +41,8 @@ QVariant PdfVersionModel::data(const QMo
 			return tr("PDF 1.6 (Acrobat 7)");
 		if (row == ItemPDFX_1a)
 			return tr("PDF/X-1a:2001");
+                if (row == ItemPDFX_1a_2003)
+			return tr("PDF/X-1a:2003");
 		if (row == ItemPDFX_3)
 			return tr("PDF/X-3:2002");
 		if (row == ItemPDFX_4)
@@ -110,8 +112,9 @@ int PdfVersionModel::rowCount(const QMod
 void PdfVersionModel::setPdfXEnabled(bool enabled)
 {
 	//beginResetModel();
-	m_enabledVec[ItemPDFX_1a] = enabled;
-	m_enabledVec[ItemPDFX_3]  = enabled;
-	m_enabledVec[ItemPDFX_4]  = enabled;
+	m_enabledVec[ItemPDFX_1a]      = enabled;
+	m_enabledVec[ItemPDFX_1a_2003] = enabled;
+	m_enabledVec[ItemPDFX_3]       = enabled;
+	m_enabledVec[ItemPDFX_4]       = enabled;
 	//endResetModel();
 }
diff -Nurpd a/scribus/ui/pdfversionmodel.h b/scribus/ui/pdfversionmodel.h
--- a/scribus/ui/pdfversionmodel.h	2025-03-29 15:01:00.000000000 +0100
+++ b/scribus/ui/pdfversionmodel.h	2025-03-29 18:29:04.796564849 +0100
@@ -29,8 +29,9 @@ public:
 		ItemPDF_15 = 2,
 		ItemPDF_16 = 3,
 		ItemPDFX_1a = 4,
-		ItemPDFX_3  = 5,
-		ItemPDFX_4  = 6
+		ItemPDFX_1a_2003 = 5,
+		ItemPDFX_3 = 6,
+		ItemPDFX_4 = 7
 	};
 
 	//! Reimplement QAbstractItemModel columnCount()
diff -Nurpd a/scribus/ui/prefs_pdfexport.cpp b/scribus/ui/prefs_pdfexport.cpp
--- a/scribus/ui/prefs_pdfexport.cpp	2025-03-29 15:01:00.000000000 +0100
+++ b/scribus/ui/prefs_pdfexport.cpp	2025-03-29 18:29:04.800564796 +0100
@@ -540,10 +540,12 @@ void Prefs_PDFExport::restoreDefaults(st
 		enablePDFXWidgets(false);
 	if (cmsUse && (Opts.Version == PDFVersion::PDF_X1a) && (!PDFXProfiles.isEmpty()))
 		enablePDFX(3);
-	else if (cmsUse && (Opts.Version == PDFVersion::PDF_X3) && (!PDFXProfiles.isEmpty()))
+	if (cmsUse && (Opts.Version == PDFVersion::PDF_X1a_2003) && (!PDFXProfiles.isEmpty()))
 		enablePDFX(4);
-	else if (cmsUse && (Opts.Version == PDFVersion::PDF_X4) && (!PDFXProfiles.isEmpty()))
+	else if (cmsUse && (Opts.Version == PDFVersion::PDF_X3) && (!PDFXProfiles.isEmpty()))
 		enablePDFX(5);
+	else if (cmsUse && (Opts.Version == PDFVersion::PDF_X4) && (!PDFXProfiles.isEmpty()))
+		enablePDFX(6);
 	else
 		enablePDFXWidgets(false);
 
@@ -798,7 +800,7 @@ void Prefs_PDFExport::enableProfiles(int
 {
 	enableLPI(i);
 	bool setter = false;
-	if (i == 1 && (!pdfVersionComboBox->versionIs(PDFVersion::PDF_X1a)))
+	if (i == 1 && (!pdfVersionComboBox->versionIs(PDFVersion::PDF_X1a) && !pdfVersionComboBox->versionIs(PDFVersion::PDF_X1a_2003)))
 		setter = true;
 	enableSolidsImagesWidgets(setter);
 }
diff -Nurpd a/scribus/ui/tabpdfoptions.cpp b/scribus/ui/tabpdfoptions.cpp
--- a/scribus/ui/tabpdfoptions.cpp	2025-03-29 15:01:00.000000000 +0100
+++ b/scribus/ui/tabpdfoptions.cpp	2025-03-29 18:29:04.800564796 +0100
@@ -368,6 +368,7 @@ void TabPDFOptions::restoreDefaults(cons
 
 	m_docFonts = DocFonts.keys();
 	if (Opts.Version == PDFVersion::PDF_X1a ||
+		Opts.Version == PDFVersion::PDF_X1a_2003 ||
 		Opts.Version == PDFVersion::PDF_X3  ||
 		Opts.Version == PDFVersion::PDF_X4 )
 	{
@@ -593,10 +594,12 @@ void TabPDFOptions::restoreDefaults(cons
 		X3Group->setEnabled(false);
 	if (cmsUse && (Opts.Version == PDFVersion::PDF_X1a) && (!PDFXProfiles.isEmpty()))
 		EnablePDFX(3);
-	else if (cmsUse && (Opts.Version == PDFVersion::PDF_X3) && (!PDFXProfiles.isEmpty()))
+	if (cmsUse && (Opts.Version == PDFVersion::PDF_X1a_2003) && (!PDFXProfiles.isEmpty()))
 		EnablePDFX(4);
-	else if (cmsUse && (Opts.Version == PDFVersion::PDF_X4) && (!PDFXProfiles.isEmpty()))
+	else if (cmsUse && (Opts.Version == PDFVersion::PDF_X3) && (!PDFXProfiles.isEmpty()))
 		EnablePDFX(5);
+	else if (cmsUse && (Opts.Version == PDFVersion::PDF_X4) && (!PDFXProfiles.isEmpty()))
+		EnablePDFX(6);
 	else
 		X3Group->setEnabled(false);
 
@@ -851,7 +854,7 @@ void TabPDFOptions::EnablePDFX(int /*a*/
 	OutCombo->setCurrentIndex(1);
 	OutCombo->setEnabled(false);
 	EnablePr(1);
-	if (pdfVer == PDFVersion::PDF_X1a) // X1, no profile embedding
+	if (pdfVer == PDFVersion::PDF_X1a || pdfVer == PDFVersion::PDF_X1a_2003) // X1, no profile embedding
 	{
 		EmbedProfs->setChecked(false);
 		EmbedProfs->setEnabled(false);
@@ -938,7 +941,7 @@ void TabPDFOptions::EnablePr(int a)
 	EnableLPI(a);
 	bool setter = false;
 	if (a == 1)
-		setter = !PDFVersionCombo->versionIs(PDFVersion::PDF_X1a);
+		setter = !PDFVersionCombo->versionIs(PDFVersion::PDF_X1a) && !PDFVersionCombo->versionIs(PDFVersion::PDF_X1a_2003);
 
 	solidsProfileGroup->setEnabled(setter);
 	imageProfileGroup->setEnabled(setter);
