diff --git a/.gitignore b/.gitignore
index 0900d2e..b81540f 100644
--- a/.gitignore
+++ b/.gitignore
@@ -4,3 +4,4 @@
 /plasma-workspace-5.12.0.tar.xz
 /plasma-workspace-5.12.1.tar.xz
 /plasma-workspace-5.12.2.tar.xz
+/plasma-workspace-5.12.3.tar.xz
diff --git a/plasma-workspace-5.12.3-plasmawayland_session.patch b/plasma-workspace-5.12.3-plasmawayland_session.patch
new file mode 100644
index 0000000..d2cdbda
--- /dev/null
+++ b/plasma-workspace-5.12.3-plasmawayland_session.patch
@@ -0,0 +1,11 @@
+diff -up plasma-workspace-5.12.3/plasmawayland.desktop.cmake.plasmawayland2 plasma-workspace-5.12.3/plasmawayland.desktop.cmake
+--- plasma-workspace-5.12.3/plasmawayland.desktop.cmake.plasmawayland2	2018-03-06 07:01:06.000000000 -0600
++++ plasma-workspace-5.12.3/plasmawayland.desktop.cmake	2018-03-06 11:35:48.567226903 -0600
+@@ -1,6 +1,6 @@
+ [Desktop Entry]
+ Encoding=UTF-8
+-Exec=dbus-launch --exit-with-session ${CMAKE_INSTALL_FULL_BINDIR}/startplasmacompositor
++Exec=${CMAKE_INSTALL_FULL_BINDIR}/startplasmacompositor
+ TryExec=${CMAKE_INSTALL_FULL_BINDIR}/startplasmacompositor
+ DesktopNames=KDE
+ Name=Plasma
diff --git a/plasma-workspace.spec b/plasma-workspace.spec
index d9b8a3e..a28d4e9 100644
--- a/plasma-workspace.spec
+++ b/plasma-workspace.spec
@@ -6,7 +6,7 @@
 
 Name:    plasma-workspace
 Summary: Plasma workspace, applications and applets
-Version: 5.12.2
+Version: 5.12.3
 Release: 1%{?dist}
 
 License: GPLv2+
@@ -39,6 +39,8 @@ Patch100:       plasma-workspace-5.7.95-konsole-in-contextmenu.patch
 Patch101:       plasma-workspace-5.3.0-set-fedora-default-look-and-feel.patch
 # remove stuff we don't want or need, plus a minor bit of customization --rex
 Patch102:       startkde.patch
+# fix plasmawayland to not explicitly launch dbus (it should autospawn)
+Patch103:       plasma-workspace-5.12.3-plasmawayland_session.patch
 # default to folderview (instead of desktop) containment, see also
 # https://mail.kde.org/pipermail/distributions/2016-July/000133.html
 # and example,
@@ -368,6 +370,7 @@ sed -i -e "s|@DEFAULT_LOOKANDFEEL@|%{?default_lookandfeel}%{!?default_lookandfee
   shell/packageplugins/lookandfeel/lookandfeel.cpp
 %endif
 %patch102 -p1 -b .startkde
+%patch103 -p1 -b .plasmawayland_session
 %patch105 -p1
 
 %if 0%{?fedora}
@@ -389,7 +392,7 @@ pushd %{_target_platform}
 %{cmake_kf5} ..
 popd
 
-make %{?_smp_mflags} -C %{_target_platform}
+%build_build -C %{_target_platform}
 
 
 %install
@@ -493,14 +496,12 @@ desktop-file-validate %{buildroot}%{_datadir}/applications/{plasma-windowed,org.
 
 %files doc -f %{name}-doc.lang
 
-%post -n libkworkspace5 -p /sbin/ldconfig
-%postun -n libkworkspace5 -p /sbin/ldconfig
+%ldconfig_scriptlets -n libkworkspace5
 
 %files -n libkworkspace5 -f libkworkspace5.lang
 %{_libdir}/libkworkspace5.so.5*
 
-%post libs -p /sbin/ldconfig
-%postun libs -p /sbin/ldconfig
+%ldconfig_scriptlets libs
 
 %files libs
 %{_sysconfdir}/xdg/taskmanagerrulesrc
@@ -534,8 +535,7 @@ desktop-file-validate %{buildroot}%{_datadir}/applications/{plasma-windowed,org.
 %{_kf5_datadir}/kservices5/plasma-geolocation-ip.desktop
 %{_kf5_datadir}/kservicetypes5/plasma-geolocationprovider.desktop
 
-%post geolocation-libs -p /sbin/ldconfig
-%postun geolocation-libs -p /sbin/ldconfig
+%ldconfig_scriptlets geolocation-libs
 
 %files geolocation-libs
 %{_libdir}/libplasma-geolocation-interface.so.5*
@@ -577,6 +577,11 @@ desktop-file-validate %{buildroot}%{_datadir}/applications/{plasma-windowed,org.
 
 
 %changelog
+* Tue Mar 06 2018 Rex Dieter <rdieter@fedoraproject.org> - 5.12.3-1
+- 5.13.3
+- plasmawayland session: drop explcitly running dbus_launch
+- use %%make_build %%ldconfig_scriptlets
+
 * Wed Feb 21 2018 Jan Grulich <jgrulich@redhat.com> - 5.12.2-1
 - 5.12.2
 
diff --git a/sources b/sources
index cdc24da..09aaaee 100644
--- a/sources
+++ b/sources
@@ -1,2 +1,2 @@
-SHA512 (plasma-workspace-5.12.2.tar.xz) = 5e4d5386e1d4fc0fa81303c22b1570da8b6d82f8cf47a7137f7edbe1647ad5575ce36465010a7433183e29f4704cb17a40ff869d7df7d6706ba35ccc79bd190e
 SHA512 (breeze-fedora-0.2.tar.gz) = ff800e686b0dcb498f321bb94d3a8274c89c092f5408ef1ec3fc65333f046aea43444144ecaf166792f807014383af87b1180dc7540905fc10dc375309f8b2a8
+SHA512 (plasma-workspace-5.12.3.tar.xz) = 0f00b1e14d5dc5b5763dbfa5aff4de74a2bbf3a44e2932f1916de525c3caf60d0a11e611cb2b0bcc31ff502991595808ff2728772dec787e91974700da234f53