diff --git a/external/libdxfrw/drw_base.h b/external/libdxfrw/drw_base.h
index 8e93c50e4fb4..2f7d4e4c9506 100644
--- a/external/libdxfrw/drw_base.h
+++ b/external/libdxfrw/drw_base.h
@@ -63,15 +63,24 @@ namespace DRW
   enum Version
   {
     UNKNOWNV,     //!< UNKNOWN VERSION.
-    AC1006,       //!< R10.
-    AC1009,       //!< R11 & R12.
-    AC1012,       //!< R13.
-    AC1014,       //!< R14.
-    AC1015,       //!< ACAD 2000.
-    AC1018,       //!< ACAD 2004.
-    AC1021,       //!< ACAD 2007.
-    AC1024,       //!< ACAD 2010.
-    AC1027        //!< ACAD 2013.
+    MC00,       //!< DWG Release 1.1
+    AC12,         //!< DWG Release 1.2
+    AC14,         //!< DWG Release 1.4
+    AC150,        //!< DWG Release 2.0
+    AC210,        //!< DWG Release 2.10
+    AC1002,       //!< DWG Release 2.5
+    AC1003,       //!< DWG Release 2.6
+    AC1004,       //!< DWG Relase 9
+    AC1006,       //!< DWG Release 10
+    AC1009,       //!< DWG Release 11/12 (LT R1/R2)
+    AC1012,       //!< DWG Release 13 (LT95)
+    AC1014,       //!< DWG Release 14/14.01 (LT97/LT98)
+    AC1015,       //!< AutoCAD 2000/2000i/2002
+    AC1018,       //!< AutoCAD 2004/2005/2006
+    AC1021,       //!< AutoCAD 2007/2008/2009
+    AC1024,       //!< AutoCAD 2010/2011/2012
+    AC1027,       //!< AutoCAD 2013/2014/2015/2016/2017
+    AC1032,       //!< AutoCAD 2018/2019/2020
   };
 
   enum error
diff --git a/external/libdxfrw/libdwgr.cpp b/external/libdxfrw/libdwgr.cpp
index 3052b3f76307..64b7c1a421e5 100644
--- a/external/libdxfrw/libdwgr.cpp
+++ b/external/libdxfrw/libdwgr.cpp
@@ -223,8 +223,42 @@ bool dwgR::openFile( std::ifstream *filestr )
 
   QgsDebugMsg( QString( "line version:%1" ).arg( line ) );
 
-  if ( strcmp( line, "AC1006" ) == 0 )
+  if ( strcmp( line, "MC0.0" ) == 0 )
+  {
+    version = DRW::MC00;
+  }
+  else if ( strcmp( line, "AC1.2" ) == 0 )
+  {
+    version = DRW::AC12;
+  }
+  else if ( strcmp( line, "AC1.4" ) == 0 )
+  {
+    version = DRW::AC14;
+  }
+  else if ( strcmp( line, "AC1.50" ) == 0 )
+  {
+    version = DRW::AC150;
+  }
+  else if ( strcmp( line, "AC2.10" ) == 0 )
+  {
+    version = DRW::AC210;
+  }
+  else if ( strcmp( line, "AC1002" ) == 0 )
+  {
+    version = DRW::AC1002;
+  }
+  else if ( strcmp( line, "AC1003" ) == 0 )
+  {
+    version = DRW::AC1003;
+  }
+  else if ( strcmp( line, "AC1004" ) == 0 )
+  {
+    version = DRW::AC1004;
+  }
+  else if ( strcmp( line, "AC1006" ) == 0 )
+  {
     version = DRW::AC1006;
+  }
   else if ( strcmp( line, "AC1009" ) == 0 )
   {
     version = DRW::AC1009;
@@ -265,6 +299,10 @@ bool dwgR::openFile( std::ifstream *filestr )
     version = DRW::AC1027;
     reader = new dwgReader27( filestr, this );
   }
+  else if ( strcmp( line, "AC1032" ) == 0 )
+  {
+    version = DRW::AC1032;
+  }
   else
     version = DRW::UNKNOWNV;
 
diff --git a/src/app/dwg/qgsdwgimporter.cpp b/src/app/dwg/qgsdwgimporter.cpp
index 105e35c3252c..a00e97030827 100644
--- a/src/app/dwg/qgsdwgimporter.cpp
+++ b/src/app/dwg/qgsdwgimporter.cpp
@@ -173,6 +173,52 @@ QgsDwgImporter::~QgsDwgImporter()
   }
 }
 
+QString drwVersionToString( DRW::Version version )
+{
+  switch ( version )
+  {
+    case DRW::UNKNOWNV:
+      return QObject::tr( "Unknown version" );
+    case DRW::MC00:
+      return QObject::tr( "AutoCAD Release 1.1" );
+    case DRW::AC12:
+      return QObject::tr( "AutoCAD Release 1.2" );
+    case DRW::AC14:
+      return QObject::tr( "AutoCAD Release 1.4" );
+    case DRW::AC150:
+      return QObject::tr( "AutoCAD Release 2.0" );
+    case DRW::AC210:
+      return QObject::tr( "AutoCAD Release 2.10" );
+    case DRW::AC1002:
+      return QObject::tr( "AutoCAD Release 2.5" );
+    case DRW::AC1003:
+      return QObject::tr( "AutoCAD Release 2.6" );
+    case DRW::AC1004:
+      return QObject::tr( "AutoCAD Release 9" );
+    case DRW::AC1006:
+      return QObject::tr( "AutoCAD Release 10" );
+    case DRW::AC1009:
+      return QObject::tr( "AutoCAD Release 11/12 (LT R1/R2)" );
+    case DRW::AC1012:
+      return QObject::tr( "AutoCAD Release 13 (LT95)" );
+    case DRW::AC1014:
+      return QObject::tr( "AutoCAD Release 14/14.01 (LT97/LT98)" );
+    case DRW::AC1015:
+      return QObject::tr( "AutoCAD 2000/2000i/2002" );
+    case DRW::AC1018:
+      return QObject::tr( "AutoCAD 2004/2005/2006" );
+    case DRW::AC1021:
+      return QObject::tr( "AutoCAD 2007/2008/2009" );
+    case DRW::AC1024:
+      return QObject::tr( "AutoCAD 2010/2011/2012" );
+    case DRW::AC1027:
+      return QObject::tr( "AutoCAD 2013/2014/2015/2016/2017" );
+    case DRW::AC1032:
+      return QObject::tr( "AutoCAD 2018/2019/2020" );
+  }
+  return QString();
+}
+
 bool QgsDwgImporter::import( const QString &drawing, QString &error, bool doExpandInserts, bool useCurves, QLabel *label )
 {
   QgsDebugCall;
@@ -601,6 +647,7 @@ bool QgsDwgImporter::import( const QString &drawing, QString &error, bool doExpa
   LOG( tr( "Updating database from %1 [%2]." ).arg( drawing, fi.lastModified().toString() ) );
 
   DRW::error result( DRW::BAD_NONE );
+  DRW::Version version = DRW::Version::UNKNOWNV;
 
   mTime.start();
   mEntities = 0;
@@ -622,6 +669,7 @@ bool QgsDwgImporter::import( const QString &drawing, QString &error, bool doExpa
     {
       result = dwg->getError();
     }
+    version = dwg->getVersion();
   }
   else
   {
@@ -641,7 +689,7 @@ bool QgsDwgImporter::import( const QString &drawing, QString &error, bool doExpa
       error = tr( "error opening file." );
       break;
     case DRW::BAD_VERSION:
-      error = tr( "unsupported version." );
+      error = tr( "unsupported version. Cannot read %1 documents." ).arg( drwVersionToString( version ) );
       break;
     case DRW::BAD_READ_METADATA:
       error = tr( "error reading metadata." );