diff --git a/.gitignore b/.gitignore
index 1837f65..555f77d 100644
--- a/.gitignore
+++ b/.gitignore
@@ -1,2 +1,3 @@
 .vscode
-cosmic-sysext
\ No newline at end of file
+cosmic-sysext
+*_build
\ No newline at end of file
diff --git a/.gitmodules b/.gitmodules
index 16ddd7f..bfc3c35 100644
--- a/.gitmodules
+++ b/.gitmodules
@@ -31,3 +31,12 @@
 [submodule "cosmic-osd"]
 	path = cosmic-osd
 	url = https://github.com/pop-os/cosmic-osd.git
+[submodule "cosmic-bg"]
+	path = cosmic-bg
+	url = https://github.com/pop-os/cosmic-bg.git
+[submodule "user-color-editor"]
+	path = user-color-editor
+	url = https://github.com/pop-os/user-color-editor.git
+[submodule "iced-workspaces-applet"]
+	path = iced-workspaces-applet
+	url = https://github.com/pop-os/iced-workspaces-applet.git
diff --git a/cosmic-bg b/cosmic-bg
new file mode 160000
index 0000000..ec228ef
--- /dev/null
+++ b/cosmic-bg
@@ -0,0 +1 @@
+Subproject commit ec228ef6a1c6572ee7b42739b4b25a4e33fedb1f
diff --git a/iced-workspaces-applet b/iced-workspaces-applet
new file mode 160000
index 0000000..64b32cf
--- /dev/null
+++ b/iced-workspaces-applet
@@ -0,0 +1 @@
+Subproject commit 64b32cf00dcc488f08b381133541fcb82f56eed7
diff --git a/justfile b/justfile
index 8ddbb60..e19e65f 100644
--- a/justfile
+++ b/justfile
@@ -1,16 +1,29 @@
 just := just_executable()
 make := `which make`
+meson := `which meson`
+
+_meson_build dir:
+    mkdir -p {{dir}}_build
+    {{ meson }} setup --reconfigure {{dir}}_build {{dir}} --prefix=/usr -Dvendor=false
+    {{ meson }} compile -C {{dir}}_build
+
+_meson_install dir destdir:
+    {{ meson }} install -C {{dir}}_build --destdir={{destdir}}
 
 build:
+    mkdir -p build
     {{ just }} cosmic-applets/all
     {{ make }} -C cosmic-applet-host all
     {{ just }} cosmic-applibrary/all
+    {{ just }} _meson_build cosmic-bg
     {{ make }} -C cosmic-comp all
     {{ just }} cosmic-launcher/all
     {{ make }} -C cosmic-osd all
     {{ make }} -C cosmic-panel all
     {{ make }} -C cosmic-settings-daemon all
     {{ just }} cosmic-session/all
+    {{ just }} _meson_build iced-workspaces-applet
+    {{ just }} _meson_build user-color-editor
     {{ make }} -C xdg-desktop-portal-cosmic all
 
 sysext dir=`echo $(pwd)/cosmic-sysext` version=("nightly-" + `git rev-parse --short HEAD`): build && (_extension_release dir version)
@@ -18,12 +31,15 @@ sysext dir=`echo $(pwd)/cosmic-sysext` version=("nightly-" + `git rev-parse --sh
     {{ just }} rootdir={{dir}} cosmic-applets/install
     {{ make }} -C cosmic-applet-host install DESTDIR={{dir}} prefix=/usr
     {{ just }} rootdir={{dir}} cosmic-applibrary/install
+    {{ just }} _meson_install cosmic-bg {{dir}}
     {{ make }} -C cosmic-comp install DESTDIR={{dir}}
     {{ just }} rootdir={{dir}} cosmic-launcher/install
     {{ make }} -C cosmic-osd install DESTDIR={{dir}} prefix=/usr
     {{ make }} -C cosmic-panel install DESTDIR={{dir}} prefix=/usr
     {{ make }} -C cosmic-settings-daemon install DESTDIR={{dir}} prefix=/usr
     {{ just }} rootdir={{dir}} cosmic-session/install
+    {{ just }} _meson_install iced-workspaces-applet {{dir}}
+    {{ just }} _meson_install user-color-editor {{dir}}
     {{ make }} -C xdg-desktop-portal-cosmic install DESTDIR={{dir}} prefix=/usr
 
 _extension_release dir version:
@@ -40,6 +56,7 @@ clean:
     rm -rf cosmic-applets/target
     rm -rf cosmic-applet-host/target
     rm -rf cosmic-applibrary/target
+    rm -rf cosmic-bg_build
     rm -rf cosmic-comp/target
     rm -rf cosmic-launcher/target
     rm -rf cosmic-panel/target
diff --git a/user-color-editor b/user-color-editor
new file mode 160000
index 0000000..f71f16f
--- /dev/null
+++ b/user-color-editor
@@ -0,0 +1 @@
+Subproject commit f71f16f8fb4957b46e3203afcaf095c330093c98