diff --git a/Installer/pkgPostInstall.sh b/Installer/pkgPostInstall.sh
index adbb0cff..c3c98cfa 100644
--- a/Installer/pkgPostInstall.sh
+++ b/Installer/pkgPostInstall.sh
@@ -3,10 +3,8 @@
 TARGET='vChewing'
 login_user=$(/usr/bin/stat -f%Su /dev/console)
 
-base_ver=12.0
-ver=$(sw_vers | grep ProductVersion | cut -d':' -f2 | tr -d ' ')
-if [ $(echo -e $base_ver"\n"$ver | sort -V | tail -1) == "$base_ver" ]
-then
+OS_Version=$(sw_vers -productVersion)
+if [[ ${OS_Version} < 12.0.0 ]]; then
   # Copy the wrongfully installed contents to the right location:
   cp -r /Library/Input\ Methods/"${TARGET}".app /Users/"${login_user}"/Library/Input\ Methods/ || true
   cp -r /Library/Keyboard\ Layouts/"${TARGET}"* /Users/"${login_user}"/Library/Keyboard\ Layouts/ || true
diff --git a/Source/WindowNIBs/frmClientListMgr.xib b/Source/WindowNIBs/frmClientListMgr.xib
index 7830d421..a4b6bf0c 100644
--- a/Source/WindowNIBs/frmClientListMgr.xib
+++ b/Source/WindowNIBs/frmClientListMgr.xib
@@ -3,6 +3,7 @@
     <dependencies>
         <deployment identifier="macosx"/>
         <plugIn identifier="com.apple.InterfaceBuilder.CocoaPlugin" version="21225"/>
+        <capability name="System colors introduced in macOS 10.14" minToolsVersion="10.0"/>
         <capability name="documents saved in the Xcode 8 format" minToolsVersion="8.0"/>
     </dependencies>
     <objects>
@@ -40,7 +41,7 @@
                     </textField>
                     <scrollView autohidesScrollers="YES" horizontalLineScroll="24" horizontalPageScroll="10" verticalLineScroll="24" verticalPageScroll="10" usesPredominantAxisScrolling="NO" translatesAutoresizingMaskIntoConstraints="NO" id="MUP-Im-g6c">
                         <rect key="frame" x="20" y="76" width="624" height="232"/>
-                        <clipView key="contentView" id="wKQ-IV-k62">
+                        <clipView key="contentView" drawsBackground="NO" id="wKQ-IV-k62">
                             <rect key="frame" x="1" y="1" width="622" height="230"/>
                             <autoresizingMask key="autoresizingMask" widthSizable="YES" heightSizable="YES"/>
                             <subviews>
@@ -48,8 +49,8 @@
                                     <rect key="frame" x="0.0" y="0.0" width="622" height="230"/>
                                     <autoresizingMask key="autoresizingMask" widthSizable="YES" heightSizable="YES"/>
                                     <size key="intercellSpacing" width="17" height="0.0"/>
-                                    <color key="backgroundColor" name="_sourceListBackgroundColor" catalog="System" colorSpace="catalog"/>
-                                    <color key="gridColor" name="gridColor" catalog="System" colorSpace="catalog"/>
+                                    <color key="backgroundColor" name="controlBackgroundColor" catalog="System" colorSpace="catalog"/>
+                                    <color key="gridColor" name="separatorColor" catalog="System" colorSpace="catalog"/>
                                     <tableColumns>
                                         <tableColumn identifier="AutomaticTableColumnIdentifier.0" width="590" minWidth="40" maxWidth="1000" id="kWw-Lj-EFx">
                                             <tableHeaderCell key="headerCell" lineBreakMode="truncatingTail" borderStyle="border">
@@ -69,7 +70,7 @@
                             <nil key="backgroundColor"/>
                         </clipView>
                         <scroller key="horizontalScroller" hidden="YES" wantsLayer="YES" verticalHuggingPriority="750" horizontal="YES" id="6Wq-mB-m8K">
-                            <rect key="frame" x="1" y="215" width="622" height="16"/>
+                            <rect key="frame" x="2" y="214" width="620" height="16"/>
                             <autoresizingMask key="autoresizingMask"/>
                         </scroller>
                         <scroller key="verticalScroller" hidden="YES" wantsLayer="YES" verticalHuggingPriority="750" horizontal="NO" id="rYb-HR-4th">