diff --git a/.config/mpd/mpd.conf b/.config/mpd/mpd.conf
index b5dd3de..40f864c 100644
--- a/.config/mpd/mpd.conf
+++ b/.config/mpd/mpd.conf
@@ -5,7 +5,15 @@ pid_file "~/.local/state/mpd/mpd.pid"
 db_file "~/.local/state/mpd/mpd.db"
 
 music_directory "~/data/music"
-playlist_directory "~/data/music/Playlists"
+playlist_directory "~/.config/mpd/playlists"
+playlist_plugin {
+  name "m3u"
+  enabled "true"
+}
+playlist_plugin {
+  name "extm3u"
+  enabled "true"
+}
 
 replaygain "track"
 auto_update "yes"
diff --git a/.config/nvim/init/pluginConfig.vim b/.config/nvim/init/pluginConfig.vim
index 047d2e9..8989486 100644
--- a/.config/nvim/init/pluginConfig.vim
+++ b/.config/nvim/init/pluginConfig.vim
@@ -34,9 +34,11 @@ let g:firenvim_config = {
                 \ div[role="textbox"]:not([aria-label="Search"])',
             \ 'takeover': 'always',
         \ },
-        \ '.*mail\.protonmail\.com.*':  { 'priority': 9, 'takeover': 'never', },
-        \ '.*twitter\.com.*':           { 'priority': 9, 'takeover': 'never', },
-        \ '.*openstreetmap\.org.*':     { 'priority': 9, 'takeover': 'never', },
+        \ '.*mail\.protonmail\.com.*':  { 'priority': 9, 'takeover': 'once', },
+        \ '.*twitter\.com.*':           { 'priority': 9, 'takeover': 'once', },
+        \ '.*openstreetmap\.org.*':     { 'priority': 9, 'takeover': 'once', },
+        \ '.*discord\.com.*':           { 'priority': 9, 'takeover': 'once', },
+        \
         \ '.*wikipedia\.org.*':         { 'priority': 9, 'takeover': 'never', },
         \ '.*wikidata\.org.*':          { 'priority': 9, 'takeover': 'never', },
         \
diff --git a/.config/shell/arch b/.config/shell/arch
index 3bb6fee..de06408 100644
--- a/.config/shell/arch
+++ b/.config/shell/arch
@@ -1,15 +1,14 @@
 which pacman >/dev/null || return 0
 
-alias dragon='dragon-drag-and-drop'
-
 # Arch aliases
 alias pac='noglob sudo pacman'
 alias pacs='pac -Syu --needed'
 alias pacr='pac -R --recursive'
 alias yays='noglob yay -Sy --needed'
 alias yayr='noglob yay -R --cascade --recursive'
-alias yau='yay -Syu --sudoloop --nobatchinstall'
+alias yau='yay -Syu --nobatchinstall'
 
+# Helper function to integrate yay and fzf
 yzf() {
   pos=$1
   shift
@@ -20,23 +19,28 @@ yzf() {
        "$@" | cut -f$pos | xargs
 }
 
-# print -s adds a shell history entry
+# Dev note: print -s adds a shell history entry
+
+# List installable packages into fzf and install selection
 yas() {
   cache_dir="/tmp/yas-$USER"
   test "$1" = "-y" && rm -rf "$cache_dir" && shift
   mkdir -p "$cache_dir"
   preview_cache="$cache_dir/preview_{2}"
   list_cache="$cache_dir/list"
+  { test "$(cat "$list_cache$@" | wc -l)" -lt 50000 && rm "$list_cache$@"; } 2>/dev/null
   pkg=$( (cat "$list_cache$@" 2>/dev/null || { pacman --color=always -Sl "$@"; yay --color=always -Sl aur "$@" } | sed 's/ [^ ]*unknown-version[^ ]*//' | tee "$list_cache$@") |
     yzf 2 --tiebreak=index --preview="cat $preview_cache 2>/dev/null | grep -v 'Querying' | grep . || yay --color always -Si {2} | tee $preview_cache")
   if test -n "$pkg"
     then echo "Installing $pkg..."
-      cmd="yay -S --sudoloop --nobatchinstall $pkg"
+      cmd="yay -S $pkg"
       print -s "$cmd"
       eval "$cmd"
       rehash
   fi
 }
+# List installed packages into fzf and remove selection
+# Tip: use -e to list only explicitly installed packages
 yar() {
   pkg=$(yay --color=always -Q "$@" | yzf 1 --tiebreak=length --preview="yay --color always -Qli {1}")
   if test -n "$pkg"
diff --git a/.local/bin/scripts/bak b/.local/bin/scripts/bak
index 63c710f..5b60417 100755
--- a/.local/bin/scripts/bak
+++ b/.local/bin/scripts/bak
@@ -2,11 +2,13 @@
 suffix="${2:-bak}"
 orig="${1%%.$suffix}"
 smv () {
-  test -w "$1" && mv -v "$@" || sudo mv -v "$@"
+  eval source=\$$(($#-1))
+  test -w "$source" && mv -v "$@" || sudo mv -v "$@"
 }
 if test -e "$orig.$suffix"
 then
   test -e "$orig" && smv "$orig" /tmp
   smv -n "$orig.$suffix" "$orig"
-else smv -n "$1" "$1.$suffix"
+else
+  smv -n "$1" "$1.$suffix"
 fi
diff --git a/.local/bin/scripts/clean b/.local/bin/scripts/clean
index eb99809..0201497 100755
--- a/.local/bin/scripts/clean
+++ b/.local/bin/scripts/clean
@@ -31,10 +31,15 @@ if test -f "/var/log/apt/history.log"; then
 	export aptclean_last=$aptclean_cur
 fi
 
-highlight "c to recursively remove development caches"
-if [[ $1 =~ "c" ]]; then
-	find -name ".gradle" -o -name "generated" -o -name "dist_newstyle" -o -name "cache" -o -name "node_modules" -print -exec rm -r {} + -prune
-	find -name "*build" -print -exec rm -rI {} + -prune
+highlight "d to recursively remove development caches"
+if [[ $1 =~ "d" ]]; then
+	find -name "src" -prune -o \
+		-type d \( -name ".gradle" -o -name "generated" -o -name "dist-newstyle" -o -name "cache" -o -name "node_modules" -name "cmake_build" \) \
+		-print -exec rm -r {} + -prune
+	echo -n "  " && highlight "build directories"
+	find \( -name ".git" -o -path "*/mixxx/build" -o -name "Leaflet" \) -prune \
+		-o -name "build" -type d \
+		-print -exec rm -rI {} + -prune
 fi
 
 highlight "m to recursively remove mac-files"
diff --git a/.local/bin/scripts/git-aur b/.local/bin/scripts/git-aur
index af903dc..69bd41c 100755
--- a/.local/bin/scripts/git-aur
+++ b/.local/bin/scripts/git-aur
@@ -6,7 +6,8 @@ shift
 url="ssh://aur@aur.archlinux.org/${1:-$(basename $PWD)}.git"
 case $command in
   (origin)
-    test "$(git rev-parse --git-dir)" = ".git" && git remote set-url origin "$url";;
+    test "$(git rev-parse --git-dir)" = ".git" && git remote set-url origin "$url"
+    git remote -v;;
   (clone)
     cd "$aurdir"
     git -c init.defaultBranch=master clone "$url"
diff --git a/.local/bin/scripts/help b/.local/bin/scripts/help
index 489625d..f893ec3 100755
--- a/.local/bin/scripts/help
+++ b/.local/bin/scripts/help
@@ -1,7 +1,8 @@
 #!/bin/sh
-# open info-page, man-page or buffered help flag
+# open info-page, man-page or command help
 set -o pipefail
 paginate="${PAGER:-less} +Gg"
+test "$1" = "-d" && browse=1 && shift
 case $1 in
   (zsh|zmv) # https://unix.stackexchange.com/questions/19290/zmv-for-zsh-dry-runs-and-man-pages
     search="${@:$#}"
@@ -12,3 +13,19 @@ case $1 in
   (caddy) $1 help ${@:2} | $paginate;;
   (*) man "$@" || { info "$1" -w | grep -v "manpages" && pinfo "$@"; } || ( "$@" --help || "$@" -help ) 2>&1 | $paginate;;
 esac
+docs="/usr/share/doc/$1"
+if test -d "$docs"; then
+  if test -z "$browse"
+  then echo "Find more in $docs"
+  else
+    len() { echo $1 | wc -c; }
+    shortest() {
+      read shortest
+      while read in
+      do test $(len $shortest) -gt $(len $in) && shortest=$in
+      done
+      echo $shortest
+    }
+    firefox "file://$(find $docs -name index.html | shortest | grep . || find $docs -name $1*.html | shortest)"
+  fi
+fi
diff --git a/.zprofile b/.zprofile
index c8f27df..5e5e62c 100644
--- a/.zprofile
+++ b/.zprofile
@@ -32,7 +32,7 @@ export _JAVA_OPTIONS=-Djava.util.prefs.userRoot="$XDG_CONFIG_HOME/java"
 export GRADLE_USER_HOME="$XDG_STATE_HOME"/gradle
 export ANDROID_PREFS_ROOT="$XDG_CONFIG_HOME"/android
 export ANDROID_EMULATOR_HOME="$XDG_STATE_HOME"/android/emulator
-export ANDROID_SDK_ROOT="/opt/android-sdk"
+export ANDROID_SDK_ROOT="/opt/android/sdk"
 export PATH="$PATH:$ANDROID_SDK_ROOT/platform-tools"
  # taskwarrior & timewarrior
 export TIMEWARRIORDB="$XDG_DATA_HOME/timewarrior"
diff --git a/README.org b/README.org
index 922015b..ae4a895 100644
--- a/README.org
+++ b/README.org
@@ -30,8 +30,26 @@ and configuration for ~less~ and ~fzf~.
 # Use org-yank-visible
 - essentials :: git zsh bat neovim man-db texinfo
 - basic tools :: fd ripgrep tree jrnl python-pynvim wget zsh-completions mlocate
-- common tools :: ffmpeg imagemagick pandoc [[https://lftp.yar.ru/][lftp]] zsh-doc glances
-- aur :: diffr bat-extras-git tldr++
-- x :: xorg-xserver xorg-xkill xorg-setxkbmap xorg-xinit xterm xclip
+- common tools :: ffmpeg imagemagick pandoc [[https://lftp.yar.ru/][lftp]] zsh-doc glances pacman-contrib
+- aur :: diffr bat-extras-git tldr++ rdictcc-git stretchly-xeruf-git
+** Graphical
+- x :: xorg-xserver xorg-xkill xorg-setxkbmap xorg-xinit xterm xclip xprintidle
+- music :: mpd mpc ncmpc vlc phonon-qt5-vlc
+  : mkdir -p ~/.local/state/mpd && systemctl --user enable --now mpd
+- music production :: lilypond lilypond-docs timidity++ chordpro-git
+- kde :: plasma-desktop plasma-nm spectacle breeze systemsettings konsole ktorrent dolphin kdeplasma-addons kinfocenter partitionmanager kdeconnect kwallet-pam kwalletmanager ksshaskpass okular
 - office :: emacs texlive-core texlive-latexextra libreoffice-fresh
-- server :: pleroma-bin postgresql caddy
+** Dev
+#+begin_source sh
+yays intellij-idea-ultimate-edition intellij-idea-ultimate-edition-jre \
+clion clion-jre cmake gdb \
+jdk-openjdk java-openjfx jdk8-openjdk java8-openjfx
+archlinux-java set jdk8-openjdk
+#+end_source
+*** Android
+: yays android-udev android-tools adbfs-rootless-git android-studio
+After running android-studio setup, accept licenses:
+: $ANDROID_SDK_ROOT/tools/bin/sdkmanager --licenses
+** Server
+Setup systemd-resolved and systemd-networkd
+- social :: pleroma-bin postgresql caddy