--- a/gfx/thebes/gfxFcPlatformFontList.cpp
+++ b/gfx/thebes/gfxFcPlatformFontList.cpp
@@ -27,16 +27,17 @@
 #include "nsXULAppAPI.h"
 #include "SharedFontList-impl.h"
 #include "StandardFonts-linux.inc"
 
 #include "mozilla/gfx/HelpersCairo.h"
 
 #include <cairo-ft.h>
 #include <fontconfig/fcfreetype.h>
+#include <harfbuzz/hb.h>
 #include <dlfcn.h>
 #include <unistd.h>
 
 #ifdef MOZ_WIDGET_GTK
 #  include <gdk/gdk.h>
 #  include <gtk/gtk.h>
 #  include "gfxPlatformGtk.h"
 #  include "mozilla/WidgetUtilsGtk.h"
@@ -246,25 +247,41 @@ static void GetFontProperties(FcPattern*
         *aSize = uint16_t(NS_round(size));
       } else {
         *aSize = 0;
       }
     }
   }
 }
 
+void gfxFontconfigFontEntry::GetUserFontFeatures(FcPattern* aPattern) {
+  int fontFeaturesNum = 0;
+  char* s;
+  hb_feature_t tmpFeature;
+  while (FcResultMatch == FcPatternGetString(aPattern, "fontfeatures",
+                                             fontFeaturesNum, (FcChar8**)&s)) {
+    bool ret = hb_feature_from_string(s, -1, &tmpFeature);
+    if (ret) {
+      mFeatureSettings.AppendElement(
+          (gfxFontFeature){tmpFeature.tag, tmpFeature.value});
+    }
+    fontFeaturesNum++;
+  }
+}
+
 gfxFontconfigFontEntry::gfxFontconfigFontEntry(const nsACString& aFaceName,
                                                FcPattern* aFontPattern,
                                                bool aIgnoreFcCharmap)
     : gfxFT2FontEntryBase(aFaceName),
       mFontPattern(aFontPattern),
       mFTFaceInitialized(false),
       mIgnoreFcCharmap(aIgnoreFcCharmap),
       mHasVariationsInitialized(false) {
   GetFontProperties(aFontPattern, &mWeightRange, &mStretchRange, &mStyleRange);
+  GetUserFontFeatures(mFontPattern);
 }
 
 gfxFontEntry* gfxFontconfigFontEntry::Clone() const {
   MOZ_ASSERT(!IsUserFont(), "we can only clone installed fonts!");
   return new gfxFontconfigFontEntry(Name(), mFontPattern, mIgnoreFcCharmap);
 }
 
 static already_AddRefed<FcPattern> CreatePatternForFace(FT_Face aFace) {
@@ -346,16 +363,18 @@ gfxFontconfigFontEntry::gfxFontconfigFon
   // if the default glyphs are blank; but if the local font is a non-
   // sfnt face (e.g. legacy type 1) then we need to set it to false
   // because our cmap-reading code will fail and we depend on FT+Fc to
   // determine the coverage.
   // We set the flag here, but may flip it the first time TestCharacterMap
   // is called, at which point we'll look to see whether a 'cmap' is
   // actually present in the font.
   mIgnoreFcCharmap = true;
+
+  GetUserFontFeatures(mFontPattern);
 }
 
 typedef FT_Error (*GetVarFunc)(FT_Face, FT_MM_Var**);
 typedef FT_Error (*DoneVarFunc)(FT_Library, FT_MM_Var*);
 static GetVarFunc sGetVar;
 static DoneVarFunc sDoneVar;
 static bool sInitializedVarFuncs = false;
 

--- a/gfx/thebes/gfxFcPlatformFontList.h
+++ b/gfx/thebes/gfxFcPlatformFontList.h
@@ -109,16 +109,18 @@ class gfxFontconfigFontEntry final : pub
 
   double GetAspect(uint8_t aSizeAdjustBasis);
 
  protected:
   virtual ~gfxFontconfigFontEntry();
 
   gfxFont* CreateFontInstance(const gfxFontStyle* aFontStyle) override;
 
+  void GetUserFontFeatures(FcPattern* aPattern);
+
   // pattern for a single face of a family
   RefPtr<FcPattern> mFontPattern;
 
   // FTFace - initialized when needed
   RefPtr<mozilla::gfx::SharedFTFace> mFTFace;
   bool mFTFaceInitialized;
 
   // Whether TestCharacterMap should check the actual cmap rather than asking