diff --git a/Mac/Base.lproj/MainWindow.storyboard b/Mac/Base.lproj/MainWindow.storyboard
index 4bf8a0137..57219eaf6 100644
--- a/Mac/Base.lproj/MainWindow.storyboard
+++ b/Mac/Base.lproj/MainWindow.storyboard
@@ -303,14 +303,10 @@
                         <autoresizingMask key="autoresizingMask"/>
                         <subviews>
                             <visualEffectView blendingMode="behindWindow" material="appearanceBased" state="followsWindowActiveState" translatesAutoresizingMaskIntoConstraints="NO" id="977-L4-4ey">
-                                <rect key="frame" x="0.0" y="392" width="206" height="24"/>
+                                <rect key="frame" x="0.0" y="393" width="206" height="23"/>
                                 <subviews>
                                     <button verticalHuggingPriority="750" translatesAutoresizingMaskIntoConstraints="NO" id="eZS-8K-qiN">
-                                        <rect key="frame" x="180" y="5" width="14" height="14"/>
-                                        <constraints>
-                                            <constraint firstAttribute="height" constant="14" id="ELp-U5-6Vw"/>
-                                            <constraint firstAttribute="width" constant="14" id="vyT-yU-oaI"/>
-                                        </constraints>
+                                        <rect key="frame" x="181" y="5" width="13" height="13"/>
                                         <buttonCell key="cell" type="bevel" bezelStyle="rounded" image="filterInactive" imagePosition="overlaps" alignment="center" imageScaling="proportionallyDown" inset="2" id="5QJ-Ja-Gng">
                                             <behavior key="behavior" pushIn="YES" lightByBackground="YES" lightByGray="YES"/>
                                             <font key="font" metaFont="system"/>
@@ -322,19 +318,19 @@
                                     </button>
                                 </subviews>
                                 <constraints>
-                                    <constraint firstAttribute="height" constant="24" id="Ax2-oO-NTV"/>
+                                    <constraint firstAttribute="height" constant="23" id="Ax2-oO-NTV"/>
                                     <constraint firstAttribute="trailing" secondItem="eZS-8K-qiN" secondAttribute="trailing" constant="12" id="CFy-rz-Otf"/>
                                     <constraint firstItem="eZS-8K-qiN" firstAttribute="top" secondItem="977-L4-4ey" secondAttribute="top" constant="5" id="M0q-C7-z10"/>
                                 </constraints>
                             </visualEffectView>
                             <scrollView borderType="none" autohidesScrollers="YES" horizontalLineScroll="28" horizontalPageScroll="10" verticalLineScroll="28" verticalPageScroll="10" hasHorizontalScroller="NO" horizontalScrollElasticity="none" translatesAutoresizingMaskIntoConstraints="NO" id="cJj-Wv-9ep">
-                                <rect key="frame" x="0.0" y="0.0" width="206" height="392"/>
+                                <rect key="frame" x="0.0" y="0.0" width="206" height="393"/>
                                 <clipView key="contentView" drawsBackground="NO" copiesOnScroll="NO" id="2eU-Wz-F9g">
-                                    <rect key="frame" x="0.0" y="0.0" width="206" height="392"/>
+                                    <rect key="frame" x="0.0" y="0.0" width="206" height="393"/>
                                     <autoresizingMask key="autoresizingMask" widthSizable="YES" heightSizable="YES"/>
                                     <subviews>
                                         <outlineView verticalHuggingPriority="750" allowsExpansionToolTips="YES" columnAutoresizingStyle="firstColumnOnly" tableStyle="sourceList" selectionHighlightStyle="sourceList" columnReordering="NO" columnResizing="NO" autosaveColumns="NO" typeSelect="NO" rowHeight="28" rowSizeStyle="systemDefault" viewBased="YES" floatsGroupRows="NO" indentationPerLevel="13" outlineTableColumn="ih9-mJ-EA7" id="cnV-kg-Dn2" customClass="SidebarOutlineView" customModule="NetNewsWire" customModuleProvider="target">
-                                            <rect key="frame" x="0.0" y="0.0" width="206" height="392"/>
+                                            <rect key="frame" x="0.0" y="0.0" width="206" height="393"/>
                                             <autoresizingMask key="autoresizingMask" widthSizable="YES" heightSizable="YES"/>
                                             <size key="intercellSpacing" width="3" height="0.0"/>
                                             <color key="backgroundColor" name="_sourceListBackgroundColor" catalog="System" colorSpace="catalog"/>
@@ -493,9 +489,9 @@
                         <autoresizingMask key="autoresizingMask"/>
                         <subviews>
                             <visualEffectView blendingMode="behindWindow" material="contentBackground" state="followsWindowActiveState" translatesAutoresizingMaskIntoConstraints="NO" id="PdS-jL-yH1">
-                                <rect key="frame" x="0.0" y="119" width="450" height="27"/>
+                                <rect key="frame" x="0.0" y="120" width="450" height="26"/>
                                 <constraints>
-                                    <constraint firstAttribute="height" constant="27" id="ZMg-gZ-6aa"/>
+                                    <constraint firstAttribute="height" constant="26" id="ZMg-gZ-6aa"/>
                                 </constraints>
                             </visualEffectView>
                             <popUpButton verticalHuggingPriority="750" translatesAutoresizingMaskIntoConstraints="NO" id="lSU-OC-sEC">
@@ -532,11 +528,7 @@
                                 </popUpButtonCell>
                             </popUpButton>
                             <button verticalHuggingPriority="750" translatesAutoresizingMaskIntoConstraints="NO" id="iA5-go-AO0">
-                                <rect key="frame" x="424" y="127" width="14" height="14"/>
-                                <constraints>
-                                    <constraint firstAttribute="width" constant="14" id="FbQ-4n-ThT"/>
-                                    <constraint firstAttribute="height" constant="14" id="dlW-82-T6N"/>
-                                </constraints>
+                                <rect key="frame" x="425" y="128" width="13" height="13"/>
                                 <buttonCell key="cell" type="bevel" bezelStyle="rounded" image="filterInactive" imagePosition="overlaps" alignment="center" imageScaling="proportionallyDown" inset="2" id="j7d-36-DO5">
                                     <behavior key="behavior" pushIn="YES" lightByBackground="YES" lightByGray="YES"/>
                                     <font key="font" metaFont="system"/>
@@ -639,11 +631,11 @@
         <segue reference="WS2-WB-dc4"/>
     </inferredMetricsTieBreakers>
     <resources>
-        <image name="NSAddTemplate" width="15" height="13"/>
+        <image name="NSAddTemplate" width="14" height="13"/>
         <image name="NSRefreshTemplate" width="14" height="16"/>
-        <image name="NSShareTemplate" width="16" height="17"/>
+        <image name="NSShareTemplate" width="15" height="17"/>
         <image name="cleanUp" width="149" height="113"/>
-        <image name="filterInactive" width="100" height="101"/>
+        <image name="filterInactive" width="13" height="13"/>
         <image name="markAllRead" width="22" height="19"/>
         <image name="markRead" width="19" height="19"/>
         <image name="newFolder" width="19" height="19"/>
diff --git a/Mac/Resources/Assets.xcassets/filterActive.imageset/Contents.json b/Mac/Resources/Assets.xcassets/filterActive.imageset/Contents.json
index 6d8907a7a..a8b873158 100644
--- a/Mac/Resources/Assets.xcassets/filterActive.imageset/Contents.json
+++ b/Mac/Resources/Assets.xcassets/filterActive.imageset/Contents.json
@@ -1,15 +1,25 @@
 {
   "images" : [
     {
+      "filename" : "filter-selected_Normal.png",
       "idiom" : "universal",
-      "filename" : "filterActive.pdf"
+      "scale" : "1x"
+    },
+    {
+      "filename" : "filter-selected_Normal@2x.png",
+      "idiom" : "universal",
+      "scale" : "2x"
+    },
+    {
+      "idiom" : "universal",
+      "scale" : "3x"
     }
   ],
   "info" : {
-    "version" : 1,
-    "author" : "xcode"
+    "author" : "xcode",
+    "version" : 1
   },
   "properties" : {
     "template-rendering-intent" : "template"
   }
-}
\ No newline at end of file
+}
diff --git a/Mac/Resources/Assets.xcassets/filterActive.imageset/filter-selected_Normal.png b/Mac/Resources/Assets.xcassets/filterActive.imageset/filter-selected_Normal.png
new file mode 100644
index 000000000..c3c6a0e8b
Binary files /dev/null and b/Mac/Resources/Assets.xcassets/filterActive.imageset/filter-selected_Normal.png differ
diff --git a/Mac/Resources/Assets.xcassets/filterActive.imageset/filter-selected_Normal@2x.png b/Mac/Resources/Assets.xcassets/filterActive.imageset/filter-selected_Normal@2x.png
new file mode 100644
index 000000000..a88e6ae7e
Binary files /dev/null and b/Mac/Resources/Assets.xcassets/filterActive.imageset/filter-selected_Normal@2x.png differ
diff --git a/Mac/Resources/Assets.xcassets/filterActive.imageset/filterActive.pdf b/Mac/Resources/Assets.xcassets/filterActive.imageset/filterActive.pdf
deleted file mode 100644
index 68eb230b5..000000000
Binary files a/Mac/Resources/Assets.xcassets/filterActive.imageset/filterActive.pdf and /dev/null differ
diff --git a/Mac/Resources/Assets.xcassets/filterInactive.imageset/Contents.json b/Mac/Resources/Assets.xcassets/filterInactive.imageset/Contents.json
index 93ba12c1b..1bc9bbbe1 100644
--- a/Mac/Resources/Assets.xcassets/filterInactive.imageset/Contents.json
+++ b/Mac/Resources/Assets.xcassets/filterInactive.imageset/Contents.json
@@ -1,15 +1,25 @@
 {
   "images" : [
     {
+      "filename" : "filter-unselected_Normal.png",
       "idiom" : "universal",
-      "filename" : "filterInactive.pdf"
+      "scale" : "1x"
+    },
+    {
+      "filename" : "filter-unselected_Normal@2x.png",
+      "idiom" : "universal",
+      "scale" : "2x"
+    },
+    {
+      "idiom" : "universal",
+      "scale" : "3x"
     }
   ],
   "info" : {
-    "version" : 1,
-    "author" : "xcode"
+    "author" : "xcode",
+    "version" : 1
   },
   "properties" : {
     "template-rendering-intent" : "template"
   }
-}
\ No newline at end of file
+}
diff --git a/Mac/Resources/Assets.xcassets/filterInactive.imageset/filter-unselected_Normal.png b/Mac/Resources/Assets.xcassets/filterInactive.imageset/filter-unselected_Normal.png
new file mode 100644
index 000000000..28da341c4
Binary files /dev/null and b/Mac/Resources/Assets.xcassets/filterInactive.imageset/filter-unselected_Normal.png differ
diff --git a/Mac/Resources/Assets.xcassets/filterInactive.imageset/filter-unselected_Normal@2x.png b/Mac/Resources/Assets.xcassets/filterInactive.imageset/filter-unselected_Normal@2x.png
new file mode 100644
index 000000000..a9f373af9
Binary files /dev/null and b/Mac/Resources/Assets.xcassets/filterInactive.imageset/filter-unselected_Normal@2x.png differ
diff --git a/Mac/Resources/Assets.xcassets/filterInactive.imageset/filterInactive.pdf b/Mac/Resources/Assets.xcassets/filterInactive.imageset/filterInactive.pdf
deleted file mode 100644
index 0d6b6c9b2..000000000
Binary files a/Mac/Resources/Assets.xcassets/filterInactive.imageset/filterInactive.pdf and /dev/null differ