diff --git a/xfconf-4.14.3.tar.bz2 b/xfconf-4.14.3.tar.bz2
deleted file mode 100644
index d872982..0000000
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diff --git a/xfconf-4.16.0.tar.bz2 b/xfconf-4.16.0.tar.bz2
new file mode 100644
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Binary files /dev/null and b/xfconf-4.16.0.tar.bz2 differ
diff --git a/xfconf.spec b/xfconf.spec
index 2555de3..38b9d01 100644
--- a/xfconf.spec
+++ b/xfconf.spec
@@ -1,22 +1,45 @@
+%global xfceversion 4.16
+
+%if 0%{?openEuler}
+%bcond_with perl
+%else
+%bcond_without perl
+%endif
+
 Name:           xfconf
-Version:        4.14.3
+Version:        4.16.0
 Release:        1
 Summary:        Hierarchical configuration system for Xfce
+
 License:        GPLv2
 URL:            http://www.xfce.org/
-Source0:        http://archive.xfce.org/src/xfce/%{name}/4.14/%{name}-%{version}.tar.bz2
-BuildRoot:      %{_tmppath}/%{name}-%{version}-%{release}-root-%(%{__id_u} -n)
-BuildRequires:  pkgconfig(libxfce4util-1.0) >= 4.14
+Source0:        http://archive.xfce.org/src/xfce/%{name}/%{xfceversion}/%{name}-%{version}.tar.bz2
+
+BuildRequires:  make
+BuildRequires:  glib2-devel
+BuildRequires:  pkgconfig(libxfce4util-1.0) >= %{xfceversion}
 BuildRequires:  pkgconfig(dbus-1) >= 1.1.0
 BuildRequires:  pkgconfig(dbus-glib-1) >= 0.84
-BuildRequires:  glib2-devel
+%if %{with perl}
+BuildRequires:  perl-devel
+BuildRequires:  perl-generators
+BuildRequires:  perl(ExtUtils::Depends)
+BuildRequires:  perl(ExtUtils::PkgConfig)
+BuildRequires:  perl(ExtUtils::MakeMaker)
+BuildRequires:  perl(Glib)
+BuildRequires:  perl(Glib::MakeHelper)
+%endif
 BuildRequires:  gettext
+BuildRequires:  intltool
 BuildRequires:  gcc-c++
 BuildRequires:  gobject-introspection-devel
-BuildRequires:  intltool
 BuildRequires:  vala
+
 Requires:       dbus-x11
 
+Obsoletes:      libxfce4mcs < 4.4.3-3
+Obsoletes:      xfconf-perl < 4.13.8
+
 %description
 Xfconf is a hierarchical (tree-like) configuration system where the
 immediate child nodes of the root are called "channels".  All settings
@@ -29,16 +52,29 @@ Requires:       pkgconfig
 Requires:       dbus-devel
 Requires:       dbus-glib-devel
 Requires:       glib2-devel
+Obsoletes:      libxfce4mcs-devel < 4.4.3-3
+Obsoletes:      xfce-mcs-manager-devel < 4.4.3-3
 
 %description devel
 This package includes the libraries and header files you will need
 to compile applications for xfconf.
 
+%if %{with perl}
+%package perl
+Summary:        Perl modules for xfconf
+Requires:       %{name} = %{version}-%{release}
+Requires:       perl(:MODULE_COMPAT_%(eval "`%{__perl} -V:version`"; echo $version))
+
+%description perl
+This package includes the perl modules and files you will need to 
+interact with xfconf using perl. 
+%endif
+
 %prep
 %setup -q
 
 %build
-%configure --disable-static
+%configure --disable-static --with-perl-options=INSTALLDIRS="vendor"
 sed -i 's|^hardcode_libdir_flag_spec=.*|hardcode_libdir_flag_spec=""|g' libtool
 sed -i 's|^runpath_var=LD_RUN_PATH|runpath_var=DIE_RPATH_DIE|g' libtool
 export LD_LIBRARY_PATH="`pwd`/xfconf/.libs"
@@ -48,6 +84,23 @@ export LD_LIBRARY_PATH="`pwd`/xfconf/.libs"
 %install
 %make_install
 
+# fix permissions for installed libraries
+chmod 755 %{buildroot}/%{_libdir}/*.so
+
+%if %{with perl}
+# remove perl temp file
+rm -f %{buildroot}/%{perl_archlib}/perllocal.pod
+
+# remove unneeded dynloader bootstrap file
+rm -f %{buildroot}/%{perl_vendorarch}/auto/Xfce4/Xfconf/Xfconf.bs
+
+# fix permissions on the .so file
+chmod 755 %{buildroot}/%{perl_vendorarch}/auto/Xfce4/Xfconf/Xfconf.so
+%endif
+
+# remove .packlist files. 
+find %{buildroot} -type f -name .packlist -exec rm -f {} \;
+
 # get rid of .la files
 find %{buildroot} -type f -name *.la -exec rm -f {} \;
 
@@ -55,7 +108,7 @@ find %{buildroot} -type f -name *.la -exec rm -f {} \;
 
 %files -f %{name}.lang
 %license COPYING
-%doc AUTHORS ChangeLog NEWS TODO
+%doc AUTHORS NEWS TODO
 %{_libdir}/lib*.so.*
 %{_bindir}/xfconf-query
 %{_libdir}/xfce4/xfconf/
@@ -64,13 +117,26 @@ find %{buildroot} -type f -name *.la -exec rm -f {} \;
 %{_datadir}/vala/vapi/libxfconf-0.vapi
 %{_datadir}/dbus-1/services/org.xfce.Xfconf.service
 %{_datadir}/gir-1.0/Xfconf-0.gir
+%{_datadir}/bash-completion/completions/xfconf-query
 
 %files devel
 %doc %{_datadir}/gtk-doc
 %{_libdir}/lib*.so
 %{_libdir}/pkgconfig/*.pc
 %{_includedir}/xfce4/xfconf-0
+%{_libdir}/gio/modules/libxfconfgsettingsbackend.so
+%{_datadir}/gtk-doc/html/%{name}/*
+
+%if %{with perl}
+%files perl
+%{perl_vendorarch}/auto/*
+%{perl_vendorarch}/Xfce4
+%{_mandir}/man3/*.3*
+%endif
 
 %changelog
+* Fri Jun 18 2021 zhanglin <lin.zhang@turbolinux.com.cn> - 4.16.0-1
+- Update to 4.16.0
+
 * Mon Jul 6 2020 Dillon Chen <dillon.chen@turbolinux.com.cn> - 4.14.3-1
 - Init package