diff --git a/wxWidgets_patch_notes.txt b/wxWidgets_patch_notes.txt
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+--== notes about wxWidgets problems ==--
+Last Revised: 30-May-2009
+
+
+Kicad needs wxWidgets, the multi platform G.U.I.
+Known problems:
+wxMSW:
+*DO NOT* use wxMSW.2.8.1
+
+Linux and macOSX
+- Printing problems (all version).
+Note old versions of wxWidgets give
+very ugly results (poor printing resolution set to 72ppi)
+So use a very recent version (> 2.8.8 (that also solve other bugs)
+
+- Bad arcs (before 2.7.1).
+
+wxWidgets patches:
+
+
+*************************************************************************************
+wxGTK version:
+*************************************************************************************
+Patch for printing wide traces that were shown with missing rounded end caps:
+wxGTK-2.8.6/src/generic/dcpsg.cpp
+line 1634
+    PsPrint( "%%EndProlog\n" );
+
+must be
+    PsPrint( "%%EndProlog\n" );
+    PsPrint("%%BeginSetup\n");
+    PsPrint( "1 setlinecap\n" );
+    PsPrint("%%EndSetup\n");
+
+
+patch for Arcs drawings
+NOT NEEDED for wxWidgets 2.7.1 and later, needed for versions prior to 2.7.1)
+wxGTK-2.x.y/src/gtk/dcclient.cpp
+in function WindowDC::DoDrawArc
+line 572 for wxWidgets 2.7.0-1:
+        if (m_pen.GetStyle() != wxTRANSPARENT)
+        {
+            gdk_draw_arc( m_window, m_penGC, FALSE, xxc-r, yyc-r, 2*r,2*r, alpha1, alpha2 );
+
+            gdk_draw_line( m_window, m_penGC, xx1, yy1, xxc, yyc );
+            gdk_draw_line( m_window, m_penGC, xxc, yyc, xx2, yy2 );
+        }
+must be
+        if (m_pen.GetStyle() != wxTRANSPARENT)
+        {
+            gdk_draw_arc( m_window, m_penGC, FALSE, xxc-r, yyc-r, 2*r,2*r, alpha1, alpha2 );
+
+            if (m_brush.GetStyle() != wxTRANSPARENT)
+            {
+                gdk_draw_line( m_window, m_penGC, xx1, yy1, xxc, yyc );
+                gdk_draw_line( m_window, m_penGC, xxc, yyc, xx2, yy2 );
+            }
+        }
+