temporary revert of 

https://gitlab.freedesktop.org/freetype/freetype/-/commit/7809007a5b88b15207d6c6680cd8a979b122eafa.patch
due to https://gitlab.freedesktop.org/freetype/freetype/-/issues/1148

Index: freetype-2.12.1/src/truetype/ttgload.c
===================================================================
--- freetype-2.12.1.orig/src/truetype/ttgload.c
+++ freetype-2.12.1/src/truetype/ttgload.c
@@ -2691,28 +2691,6 @@
         exec->ignore_x_mode = FALSE;
 #endif /* TT_SUPPORT_SUBPIXEL_HINTING_INFINALITY */
 
-#ifdef TT_SUPPORT_SUBPIXEL_HINTING_MINIMAL
-      /*
-       * Toggle backward compatibility according to what font wants, except
-       * when
-       *
-       * 1) we have a `tricky' font that heavily relies on the interpreter to
-       *    render glyphs correctly, for example DFKai-SB, or
-       * 2) FT_RENDER_MODE_MONO (i.e, monochome rendering) is requested.
-       *
-       * In those cases, backward compatibility needs to be turned off to get
-       * correct rendering.  The rendering is then completely up to the
-       * font's programming.
-       *
-       */
-      if ( driver->interpreter_version == TT_INTERPRETER_VERSION_40 &&
-           subpixel_hinting_lean                                    &&
-           !FT_IS_TRICKY( glyph->face )                             )
-        exec->backward_compatibility = !( exec->GS.instruct_control & 4 );
-      else
-        exec->backward_compatibility = FALSE;
-#endif /* TT_SUPPORT_SUBPIXEL_HINTING_MINIMAL */
-
       exec->pedantic_hinting = FT_BOOL( load_flags & FT_LOAD_PEDANTIC );
       loader->exec = exec;
       loader->instructions = exec->glyphIns;
Index: freetype-2.12.1/src/truetype/ttinterp.c
===================================================================
--- freetype-2.12.1.orig/src/truetype/ttinterp.c
+++ freetype-2.12.1/src/truetype/ttinterp.c
@@ -7762,6 +7762,35 @@
 #endif /* TT_SUPPORT_SUBPIXEL_HINTING_INFINALITY */
 
 
+#ifdef TT_SUPPORT_SUBPIXEL_HINTING_INFINALITY
+    exc->iup_called = FALSE;
+#endif /* TT_SUPPORT_SUBPIXEL_HINTING_INFINALITY */
+
+#ifdef TT_SUPPORT_SUBPIXEL_HINTING_MINIMAL
+    /*
+     * Toggle backward compatibility according to what font wants, except
+     * when
+     *
+     * 1) we have a `tricky' font that heavily relies on the interpreter to
+     *    render glyphs correctly, for example DFKai-SB, or
+     * 2) FT_RENDER_MODE_MONO (i.e, monochome rendering) is requested.
+     *
+     * In those cases, backward compatibility needs to be turned off to get
+     * correct rendering.  The rendering is then completely up to the
+     * font's programming.
+     *
+     */
+    if ( SUBPIXEL_HINTING_MINIMAL          &&
+         exc->subpixel_hinting_lean        &&
+         !FT_IS_TRICKY( &exc->face->root ) )
+      exc->backward_compatibility = !( exc->GS.instruct_control & 4 );
+    else
+      exc->backward_compatibility = FALSE;
+
+    exc->iupx_called = FALSE;
+    exc->iupy_called = FALSE;
+#endif
+
     /* We restrict the number of twilight points to a reasonable,     */
     /* heuristic value to avoid slow execution of malformed bytecode. */
     num_twilight_points = FT_MAX( 30,