diff --git a/.gitmodules b/.gitmodules
index 7d33b6a..f43a54b 100644
--- a/.gitmodules
+++ b/.gitmodules
@@ -259,3 +259,15 @@
 [submodule "build-pkg/pkg/youtube-dlp"]
 	path = pkg/youtube-dlp
 	url = https://aur.archlinux.org/youtube-dlp.git
+[submodule "pkg/aosp-devel"]
+	path = pkg/aosp-devel
+	url = https://aur.archlinux.org/aosp-devel.git
+[submodule "pkg/lineageos-devel"]
+	path = pkg/lineageos-devel
+	url = https://aur.archlinux.org/lineageos-devel.git
+[submodule "pkg/lib32-ncurses5-compat-libs"]
+	path = pkg/lib32-ncurses5-compat-libs
+	url = https://aur.archlinux.org/lib32-ncurses5-compat-libs.git
+[submodule "pkg/xml2"]
+	path = pkg/xml2
+	url = https://aur.archlinux.org/xml2.git
diff --git a/README.md b/README.md
index 078b5bc..ab7ba34 100644
--- a/README.md
+++ b/README.md
@@ -55,7 +55,7 @@ See [build-pkg/pkglist-AUR.txt](build-pkg/pkglist-AUR.txt) for a full list.
 They were added in the following manner:
 
 ```shell
-AUR_PKG=2048-qt
+AUR_PKG=xml2
 git submodule add "https://aur.archlinux.org/${AUR_PKG}.git" pkg/"${AUR_PKG}"
 # echo "Add ${AUR_PKG} to 'build-pkg/pkglist-AUR.txt'. Each line represents one build stage."
 ```
@@ -63,7 +63,7 @@ git submodule add "https://aur.archlinux.org/${AUR_PKG}.git" pkg/"${AUR_PKG}"
 And can be removed with:
 
 ```shell
-AUR_PKG=2048-qt
+AUR_PKG=xml2
 git rm -f pkg/"${AUR_PKG}"
 # echo "Above command should remove ${AUR_PKG} from '.gitmodules'."
 ```
diff --git a/build-pkg/Dockerfile b/build-pkg/Dockerfile
index be57e7a..f23295d 100644
--- a/build-pkg/Dockerfile
+++ b/build-pkg/Dockerfile
@@ -5,20 +5,26 @@
 FROM archlinux:base-devel
 
 # 0. DisableDownloadTimeout
-# 1. Add de-p1st mirror
-# 2. Add home_ungoogled_chromium_Arch (ungoogled-chromium) mirror
-# 3. Add signing key of home_ungoogled_chromium_Arch mirror
-# 4. Enable parallel downloads
+# 1. Enable parallel downloads
 #    TODO: Wait until next baseimage update
 #        && sed --in-place 's|^#ParallelDownloads\s*=.*$|ParallelDownloads = 4|' /etc/pacman.conf \
-# 5. Update mirrors + packages
-# 6. Install svn for makepkg to handle svn sources
+# 2. Add de-p1st mirror
+# 3. Add home_ungoogled_chromium_Arch (ungoogled-chromium) mirror; see also (4)
+# 4. Add signing key of home_ungoogled_chromium_Arch mirror
+# 5. Enable multilib repository; see also (8)
+#
+# 6. Update mirrors + packages
+# 7. Install svn for makepkg to handle svn sources
+# 8. Install 'multilib-devel' group, see https://wiki.archlinux.org/index.php/Makepkg#Build_32-bit_packages_on_a_64-bit_system
 RUN printf '\n[options]\nDisableDownloadTimeout\n' >> /etc/pacman.conf && \
     printf '\n[de-p1st]\nSigLevel = Optional TrustAll\nServer = https://arch.p1st.de\n' >> /etc/pacman.conf && \
     printf '\n[home_ungoogled_chromium_Arch]\nSigLevel = Required TrustAll\nServer = https://download.opensuse.org/repositories/home:/ungoogled_chromium/Arch/$arch\n' >> /etc/pacman.conf && \
     curl -s 'https://download.opensuse.org/repositories/home:/ungoogled_chromium/Arch/x86_64/home_ungoogled_chromium_Arch.key' | pacman-key --add - && \
+    printf '\n[multilib]\nInclude = /etc/pacman.d/mirrorlist\n' >> /etc/pacman.conf && \
+    \
     pacman -Syu --noconfirm && \
-    pacman -S --needed --noconfirm svn
+    pacman -S --needed --noconfirm svn && \
+    pacman -S --needed --noconfirm multilib-devel
 
 # 1. Set packager
 # 2. Store built packages in /out/
diff --git a/build-pkg/pkglist-AUR.txt b/build-pkg/pkglist-AUR.txt
index 7779a91..2110e74 100644
--- a/build-pkg/pkglist-AUR.txt
+++ b/build-pkg/pkglist-AUR.txt
@@ -1,3 +1,3 @@
-adwaita-qt amdgpu-pro-installer aurutils balena-etcher calindori-git chili-sddm-theme chromaprint-fftw crema davs2 decklink-sdk discord_arch_electron firefox-profile-switcher-connector flite1-patched forklift-git gnome-meta gnome-shell-extension-appindicator-git handbrake-full holo iio-sensor-proxy-git intellij-idea-ultimate-edition jellyfin-bin jexiftoolgui kirigami-addons-git lensfun-git libklvanc-git libopenmpt-svn librist libwacom-surface mauikit-git meta-group-base-devel mkcue mrwriter-git mozilla-common mugshot ncurses5-compat-libs nextcloud-client-git nordic-kde-git opencl-amd openh264 portfolio-file-manager pycharm-professional pyspread python-mpv qt4 qt-installer-framework sddm-theme-deepin-git shine signal-desktop-beta-bin softmaker-office-2021-bin sphinxbase tagspaces-bin timeshift toggle-bluetooth ttf-material-design-icons-git ttf-unifont uavs3d uavs3d-git umldesigner vo-amrwbenc vobcopy vulkan-headers-git wkhtmltopdf-static woeusb x264-git xavs xavs2 xfce4-meta xfce4-theme-switcher xorg-meta xournalpp-git yay youtube-dlp zoom zotero
-adwaita-qt4 fedora-firefox-wayland-bin kclock pocketsphinx riseup-vpn youplay zoom-firejail
-ffmpeg-amd-full riseup-vpn-terminal
+adwaita-qt amdgpu-pro-installer aurutils balena-etcher calindori-git chili-sddm-theme chromaprint-fftw crema davs2 decklink-sdk discord_arch_electron firefox-profile-switcher-connector flite1-patched forklift-git gnome-meta gnome-shell-extension-appindicator-git handbrake-full holo iio-sensor-proxy-git intellij-idea-ultimate-edition jellyfin-bin jexiftoolgui kirigami-addons-git lensfun-git lib32-ncurses5-compat-libs libklvanc-git libopenmpt-svn librist libwacom-surface mauikit-git meta-group-base-devel mkcue mrwriter-git mozilla-common mugshot ncurses5-compat-libs nextcloud-client-git nordic-kde-git opencl-amd openh264 portfolio-file-manager pycharm-professional pyspread python-mpv qt4 qt-installer-framework sddm-theme-deepin-git shine signal-desktop-beta-bin softmaker-office-2021-bin sphinxbase tagspaces-bin timeshift toggle-bluetooth ttf-material-design-icons-git ttf-unifont uavs3d uavs3d-git umldesigner vo-amrwbenc vobcopy vulkan-headers-git wkhtmltopdf-static woeusb x264-git xavs xavs2 xfce4-meta xfce4-theme-switcher xml2 xorg-meta xournalpp-git yay youtube-dlp zoom zotero
+adwaita-qt4 aosp-devel fedora-firefox-wayland-bin kclock pocketsphinx riseup-vpn youplay zoom-firejail
+ffmpeg-amd-full lineageos-devel riseup-vpn-terminal
diff --git a/pkg/aosp-devel b/pkg/aosp-devel
new file mode 160000
index 0000000..705c734
--- /dev/null
+++ b/pkg/aosp-devel
@@ -0,0 +1 @@
+Subproject commit 705c734278589f4be21a50cb8694744ee5baf972
diff --git a/pkg/de-p1st-pacman/PKGBUILD b/pkg/de-p1st-pacman/PKGBUILD
index e617625..473483d 100644
--- a/pkg/de-p1st-pacman/PKGBUILD
+++ b/pkg/de-p1st-pacman/PKGBUILD
@@ -2,7 +2,7 @@
 _pkgname=pacman
 _reponame=arch
 pkgname="de-p1st-$_pkgname"
-pkgver=0.2.1
+pkgver=0.2.2
 pkgrel=1
 pkgdesc="pacman with configuration"
 arch=('any')
diff --git a/pkg/de-p1st-pacman/pacman.conf.holoscript b/pkg/de-p1st-pacman/pacman.conf.holoscript
index 359bd59..1b143ee 100644
--- a/pkg/de-p1st-pacman/pacman.conf.holoscript
+++ b/pkg/de-p1st-pacman/pacman.conf.holoscript
@@ -5,8 +5,14 @@
 # Enable parallel downloads
 sed 's|^#ParallelDownloads\s*=.*$|ParallelDownloads = 4|'
 
+# Assert multilib is not enabled
+! echo "$stdin" | grep --quiet '^\[multilib\].*$'
+
+# Enable multilib repository
+printf '[multilib]\nInclude = /etc/pacman.d/mirrorlist\n'
+
 # de-p1st mirror
-echo 'Include = /etc/pacman.d/de-p1st'
+printf 'Include = /etc/pacman.d/de-p1st\n'
 
 # home_ungoogled_chromium_Arch mirror
-echo 'Include = /etc/pacman.d/ungoogled-chromium'
+printf 'Include = /etc/pacman.d/ungoogled-chromium\n'
diff --git a/pkg/lib32-ncurses5-compat-libs b/pkg/lib32-ncurses5-compat-libs
new file mode 160000
index 0000000..308ab06
--- /dev/null
+++ b/pkg/lib32-ncurses5-compat-libs
@@ -0,0 +1 @@
+Subproject commit 308ab06f308c3a9bdf85ecc55af957ff6b46f230
diff --git a/pkg/lineageos-devel b/pkg/lineageos-devel
new file mode 160000
index 0000000..68917c5
--- /dev/null
+++ b/pkg/lineageos-devel
@@ -0,0 +1 @@
+Subproject commit 68917c521f0e0e6c0c102c1fe375d0c00ec032b8
diff --git a/pkg/xml2 b/pkg/xml2
new file mode 160000
index 0000000..ecbbbbd
--- /dev/null
+++ b/pkg/xml2
@@ -0,0 +1 @@
+Subproject commit ecbbbbdf8660f0b975682cdcf0d6c57e3c56d7db