diff --git a/Apps/klamav/klamav.SlackBuild b/Apps/klamav/klamav.SlackBuild
index 5e93753..cf70922 100755
--- a/Apps/klamav/klamav.SlackBuild
+++ b/Apps/klamav/klamav.SlackBuild
@@ -33,7 +33,7 @@ source ../../get-source.sh
 ## klamav needs clamav as a build time requirement
 [[ $(cat $TMPVARS/PRE_DOWNLOAD) != yes ]] && {
 # ### clamav  - start
-clamav_VERS=1.3.1
+clamav_VERS=1.4.1
 clamav_installed_fn () { pkg-config --atleast-version=$clamav_VERS libclamav ;}
 ## If it's already installed, go to end
 clamav_installed_fn || {
@@ -41,6 +41,7 @@ clamav_installed_fn || {
 [[ -s $BUILD_TDE_ROOT/src/clamav-$clamav_VERS.tar.gz ]] && {
 ## .. build, package, and install it
 (
+
 echo "
  building clamav
 "
@@ -53,6 +54,13 @@ tar xf $BUILD_TDE_ROOT/src/clamav-$clamav_VERS.tar.gz
 
 cd clamav-$clamav_VERS/
 
+RUSTC_MIN_REQd=$(grep rust-version .cargo/vendor/home/Cargo.toml | grep -o \"1\..*) # eg "1.70.0"
+RUSTC_MIN_REQd2=$(echo $RUSTC_MIN_REQd | grep -o "1\..."|sed 's|\.||')              # eg 170
+#
+[[ ! $(rustc --version | grep -o "1\..."|sed 's|\.||') -ge $RUSTC_MIN_REQd2 ]] && { echo -e "\033[39;1m
+ ## rust version $RUSTC_MIN_REQd or greater is required to build clamav-$clamav_VERS ##
+ \033[0m" ; exit 1 ; }
+
 ## set RPATH relative to ORIGIN always
 sed -i 's|set(CMAKE_INSTALL_RPATH.*$|set(CMAKE_INSTALL_RPATH "$ORIGIN/../${CMAKE_INSTALL_LIBDIR}")|' CMakeLists.txt
 
diff --git a/Apps/soundkonverter/soundkonverter.SlackBuild b/Apps/soundkonverter/soundkonverter.SlackBuild
index c91dc9b..8a944df 100755
--- a/Apps/soundkonverter/soundkonverter.SlackBuild
+++ b/Apps/soundkonverter/soundkonverter.SlackBuild
@@ -34,7 +34,8 @@ getsource_fn
 untar_fn
 
 ## for slack-desc
-langs="";for Lang in $I18N;do [[ -s po/$Lang.po ]] && langs="$langs $Lang";done
+[[ $TDEVERSION != 14.1.2 ]] && PO_DIR=translations/messages
+langs="";for Lang in $I18N;do [[ -s ${PO_DIR:-po}/$Lang.po ]] && langs="$langs $Lang";done
 
 listdocs_fn
 
@@ -42,8 +43,6 @@ chown_fn
 
 cd_builddir_fn 
 
-sed -i 's|FILES soundkonverterui.rc$|& userscript.sh|' ../src/CMakeLists.txt
-
 cmake ${G_NINJA:-} -C $TMPVARS/CMAKE_CACHE ${CMAKE_OPTS:-}
 
 make_fn
diff --git a/Apps/tde-ebook-reader/README b/Apps/tde-ebook-reader/README
new file mode 100644
index 0000000..7beae6f
--- /dev/null
+++ b/Apps/tde-ebook-reader/README
@@ -0,0 +1,8 @@
+The SlackBuild has some options to change build-time defaults, all of which can be changed from the toolbar in the running program, but which are included for an alternative initial presentation.
+
+1] font family and size
+2] line spacing
+3] auto hyphenation
+
+All can be commented out in the SlackBuild if not wanted.
+
diff --git a/Apps/tde-ebook-reader/tde-ebook-reader.SlackBuild b/Apps/tde-ebook-reader/tde-ebook-reader.SlackBuild
new file mode 100755
index 0000000..67fb6e9
--- /dev/null
+++ b/Apps/tde-ebook-reader/tde-ebook-reader.SlackBuild
@@ -0,0 +1,93 @@
+#!/bin/sh
+# Generated by Alien's SlackBuild Toolkit: http://slackware.com/~alien/AST
+# Copyright 2009, 2010, 2011, 2012, 2013, 2014, 2015  Eric Hameleers, Eindhoven, Netherlands
+# Copyright 2015-2017  Thorn Inurcide 
+# Copyright 2015-2017  tde-slackbuilds project on GitHub
+# All rights reserved.
+#
+#   Permission to use, copy, modify, and distribute this software for
+#   any purpose with or without fee is hereby granted, provided that
+#   the above copyright notice and this permission notice appear in all
+#   copies.
+#
+#   THIS SOFTWARE IS PROVIDED ``AS IS'' AND ANY EXPRESSED OR IMPLIED
+#   WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE IMPLIED WARRANTIES OF
+#   MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE ARE DISCLAIMED.
+#   IN NO EVENT SHALL THE AUTHORS AND COPYRIGHT HOLDERS AND THEIR
+#   CONTRIBUTORS BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL,
+#   SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT
+#   LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF
+#   USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND
+#   ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY,
+#   OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT
+#   OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF
+#   SUCH DAMAGE.
+
+PRGNAM=tde-ebook-reader
+VERSION=$TDEVERSION
+BUILD=${BUILD:-1}
+TAG=${TAG:-_tde}
+
+source ../../get-source.sh
+getsource_fn
+
+untar_fn
+
+## default font
+sed -i 's|Georgia|Liberation Sans|;s|16|13|' reader/data/default/config.xml
+## default line spacing
+sed -i 's|1.4|1.2|;s|140|120|' reader/src/options/FBTextStyle.cpp
+## no auto hyphenation
+sed -i 's|AutoHyphenation", true|AutoHyphenation", false|' zlibrary/text/src/style/ZLTextStyleCollection.cpp
+
+## work-around for desktop files translations pending translations/desktop_files being set up
+for locn in ar es hu pl ru zh_CN
+do
+[[ $I18N != *$locn* ]] && sed -i "/\[$locn\]/d" reader/desktop/tde-ebook-reader.desktop
+done
+
+## for slack-desc -> although no translations yet
+langs="en";for Lang in $I18N;do [[ -s translations/messages/$Lang.po ]] && langs="$langs $Lang";done
+
+listdocs_fn
+
+chown_fn
+
+cd_builddir_fn
+
+cmake ${G_NINJA:-} -C $TMPVARS/CMAKE_CACHE ${CMAKE_OPTS:-}
+
+make_fn
+
+installdocs_fn
+
+mangzip_fn
+
+strip_fn
+
+mkdir_install_fn
+
+doinst_sh_fn
+
+echo "
+# HOW TO EDIT THIS FILE:
+# The 'handy ruler' below makes it easier to edit a package description.  Line
+# up the first '|' above the ':' following the base package name, and the '|'
+# on the right side marks the last column you can put a character in.  You must
+# make exactly 11 lines for the formatting to be correct.  It's also
+# customary to leave one space after the ':'.
+       |-----handy-ruler------------------------------------------------------|
+$PRGNAM: TDE Ebook Reader is a TQt port of FBReader,
+$PRGNAM: supporting several e-book formats: ePub, fb2, chm, rtf, plucker, etc.
+$PRGNAM:
+$PRGNAM: Direct reading from zip, tar, gzip and bzip2 archives is supported.
+$PRGNAM:
+$PRGNAM: With language support for:
+$PRGNAM: $langs
+$PRGNAM:
+$PRGNAM:
+$PRGNAM:
+$PRGNAM:
+" > $PKG/install/slack-desc
+
+makepkg_fn
diff --git a/BUILD-TDE.sh b/BUILD-TDE.sh
index a3dc3dd..883408d 100755
--- a/BUILD-TDE.sh
+++ b/BUILD-TDE.sh
@@ -312,6 +312,15 @@ If following the build method on the previous screen, the answer here should pro
 [[ $? == 1 ]] && echo no > $TMPVARS/KEEP_BUILD
 
 
+## new app for 14.1.3+ & 14.2.0
+# Use non-breaking space - U00a0 - in strings for this to work with 'dialog'
+[[ $(cat $TMPVARS/TDEVERSION) != 14.1.2 ]] && {
+app_1="Apps/tde-ebook-reader"
+about_1="Ebook reader .."
+status_1=off
+comment_1="\Zb\Z6 \Zn"
+}
+
 rm -f $TMPVARS/TDEbuilds
 dialog --cr-wrap --nocancel --no-shadow --colors --title " TDE Packages Selection " --item-help --checklist \
 "
@@ -410,6 +419,7 @@ Non-TDE apps are in the Misc category and don't need the \Zb\Zr\Z4R\Znequired TD
 "Apps/potracegui" "A GUI for potrace" off "\Zb\Z6 Requires potrace \Zn" \
 "Apps/rosegarden" "Audio sequencer and musical notation editor" off "\Zb\Z6 Requires jack-audio-connection-kit liblo and dssi for proper functionality \Zn" \
 "Apps/soundkonverter" "Frontend to various audio converters" off "\Zb\Z6   \Zn" \
+${app_1:-} ${about_1:-} ${status_1:-} ${comment_1:-} \
 "Apps/tde-style-lipstik" "Lipstik theme" off "\Zb\Z6   \Zn" \
 "Apps/tde-style-qtcurve" "QtCurve theme" off "\Zb\Z6   \Zn" \
 "Apps/tdebluez" "Bluetooth Bluez5 functionality" off "\Zb\Z6   \Zn" \
@@ -516,7 +526,7 @@ ${DLG_BOX:-0 0}
 
 ## GCC visibility option
 ## If tdelibs has been built, the header will exist:
-[[ $(grep "KDE_HAVE_GCC_VISIBILITY 1" $(cat $TMPVARS/INSTALL_TDE)/include/kdemacros.h) ]] && \
+[[ $(grep "DE_HAVE_GCC_VISIBILITY 1" $(cat $TMPVARS/INSTALL_TDE)/include/?demacros.h) ]] && \
 GCC_VIS_M=ON || GCC_VIS_M=OFF
 #
 ## only run this if any of listed Deps or tdelibs has been selected
@@ -922,7 +932,7 @@ INST_PACKAGE=yes && [[ $INST == 0 ]] && INST_PACKAGE=no
 ## If GCC_VIS has been set on the command line, use that value
 [[ $GCC_VIS ]] && export GCC_VIS || {
 ## Otherwise, if tdelibs has been built before, the header will exist, so test that, and set GCC_VIS accordingly:
-[[ $(grep "KDE_HAVE_GCC_VISIBILITY 1" $INSTALL_TDE/include/kdemacros.h) ]] && \
+[[ $(grep "DE_HAVE_GCC_VISIBILITY 1" $INSTALL_TDE/include/?demacros.h) ]] && \
 GCC_VIS=ON || GCC_VIS=OFF
 ## But, if tdelibs or any listed Deps package is being built, or re-built, override any set value with the dialog output:
 [[ -s $TMPVARS/GCC_VIS ]] && GCC_VIS=$(cat $TMPVARS/GCC_VIS)
diff --git a/Core/tdebase/tdebase.SlackBuild b/Core/tdebase/tdebase.SlackBuild
index d300a09..46eab14 100755
--- a/Core/tdebase/tdebase.SlackBuild
+++ b/Core/tdebase/tdebase.SlackBuild
@@ -132,6 +132,15 @@ sed -i 's|HINTS|&\n      /var/www/cgi-bin|' khelpcenter/searchhandlers/CMakeList
 [[ $TDEVERSION == 14.1.2 ]] && {
 sed -i 's|MATCHES ";${_lang};" ))|MATCHES ";1;" ))|' cmake/modules/TDEMacros.cmake
 }
+## + a related change to man source directories for development versions
+[[ $TDEVERSION != 14.1.2 ]] && {
+MAN_SRC_DIR=*/
+}
+
+## correct test for sudo
+sed -i 's|^if( TDESU_BACKEND-NOTFOUND )|if( ${TDESU_BACKEND} STREQUAL "TDESU_BACKEND-NOTFOUND" )|' tdesu/CMakeLists.txt
+sed -i 's|endif( TDESU_BACKEND-NOTFOUND )|endif()|' tdesu/CMakeLists.txt
+sed -i 's|"sudo su"|sudo|' konsole/other/CMakeLists.txt
 
 listdocs_fn
 
@@ -139,12 +148,12 @@ chown_fn
 
 cd_builddir_fn
 
-sed -i "s|/etc/trinity|$INSTALL_TDE/share/config|" ../doc/man/{gentdmconf,tdm}.1
+sed -i "s|/etc/trinity|$INSTALL_TDE/share/config|" ../doc/man/${MAN_SRC_DIR:-}{gentdmconf,tdm}.1
 [[ $TDE_CNF_DIR == *tde* ]] && \
-sed -i 's|trinity,kde,kde2,kde1|tde|' ../doc/man/*.1 && \
-sed -i 's|trinity|tde|g' ../doc/man/*.1 || \
-sed -i 's|trinity,kde,kde2,kde1|trinity|' ../doc/man/*.1
-sed -i "s|http://bugs.*desktop.org|https://mirror.git.trinitydesktop.org/gitea/TDE/$PRGNAM/issues|" ../doc/man/*.1
+sed -i 's|trinity,kde,kde2,kde1|tde|' ../doc/man/${MAN_SRC_DIR:-}*.1 && \
+sed -i 's|trinity|tde|g' ../doc/man/${MAN_SRC_DIR:-}*.1 || \
+sed -i 's|trinity,kde,kde2,kde1|trinity|' ../doc/man/${MAN_SRC_DIR:-}*.1
+sed -i "s|http://bugs.*desktop.org|https://mirror.git.trinitydesktop.org/gitea/TDE/$PRGNAM/issues|" ../doc/man/${MAN_SRC_DIR:-}*.1
 
 ## kfrontend/CMakeLists.txt runs gentdmconf to set up the tdm configuration files
 ## - after that, add the TDM configuration README
@@ -158,7 +167,7 @@ install(
 endif( )
 ' >> ../tdm/kfrontend/CMakeLists.txt
 #
-sed -i "s|/opt/.*/share/doc/tdm/README.gz|$INSTALL_TDE/share/config/tdm/README-config|" ../doc/man/tdm{,ctl}.1
+sed -i "s|/opt/.*/share/doc/tdm/README.gz|$INSTALL_TDE/share/config/tdm/README-config|" ../doc/man/${MAN_SRC_DIR:-}tdm{,ctl}.1
 
 cmake ${G_NINJA:-} -C $TMPVARS/CMAKE_CACHE ${CMAKE_OPTS:-} \
     -DWITH_ARTS="ON" \
@@ -177,8 +186,8 @@ cmake ${G_NINJA:-} -C $TMPVARS/CMAKE_CACHE ${CMAKE_OPTS:-} \
     -DWITH_SASL="OFF" \
     -DWITH_SENSORS="ON" \
     -DWITH_SHADOW="ON" \
-    -DWITH_SUDO_KONSOLE_SUPER_USER_COMMAND="ON" \
-    -DWITH_SUDO_TDESU_BACKEND="ON" \
+    -DWITH_SUDO_KONSOLE_SUPER_USER_COMMAND=${W_SUDO:-"OFF"} \
+    -DWITH_SUDO_TDESU_BACKEND=${W_SUDO:-"OFF"} \
     -DWITH_TDEHWLIB="ON" \
     -DWITH_UPOWER="ON" \
     -DWITH_XCOMPOSITE="ON" \
@@ -296,27 +305,56 @@ ln -sf xinitrc.tde xinitrc)
 
 mkdir -p $PKG/etc/profile.d
 echo '#!'"/bin/sh
+
+# Only add TDE PATHs if TDE is the chosen DE
+[[ \$(readlink -e /etc/X11/xinit/xinitrc) == *xinitrc.tde ]] && {
+
 # TDE additions:
 export TDEDIR=$INSTALL_TDE
 
 # upgradepkg runs installpkg twice, so test for the second run:
-[[ \"\$XDG_CONFIG_DIRS\" != *$INSTALL_TDE/etc/xdg* ]] && {
-if [ ! \"\$XDG_CONFIG_DIRS\" = \"\" ]; then
-  export XDG_CONFIG_DIRS=\$XDG_CONFIG_DIRS:$INSTALL_TDE/etc/xdg
-else
-  export XDG_CONFIG_DIRS=/etc/xdg:$INSTALL_TDE/etc/xdg
-fi
+[[ \$XDG_CONFIG_DIRS != *$INSTALL_TDE/etc/xdg* ]] && {
+export XDG_CONFIG_DIRS=\${XDG_CONFIG_DIRS:-/etc/xdg}:$INSTALL_TDE/etc/xdg
 }
 
 ## Re: https://specifications.freedesktop.org/basedir-spec/basedir-spec-0.6.html
 ## If XDG_DATA_DIRS is null or unset, the default is /usr/local/share:/usr/share
-[[ \$XDG_DATA_DIRS == \"\" ]] && \\
-export XDG_DATA_DIRS=/usr/local/share:/usr/share:$INSTALL_TDE/share || {
-[[ \$XDG_DATA_DIRS != *$INSTALL_TDE/share* ]] && \\
-export XDG_DATA_DIRS=\$XDG_DATA_DIRS:$INSTALL_TDE/share
+[[ \$XDG_DATA_DIRS != *$INSTALL_TDE/share* ]] && {
+export XDG_DATA_DIRS=\${XDG_DATA_DIRS:-/usr/local/share:/usr/share}:$INSTALL_TDE/share
 }
 " > $PKG/etc/profile.d/tde.sh
 
+echo '
+# update PATH
+# upgradepkg runs installpkg twice, so even though '"$TQTDIR"'/bin might be
+# a new PATH, it needs to be tested for the second run to avoid duplication
+[[ $PATH != *'"$TQTDIR"'/bin* ]] && PATH='"$TQTDIR"'/bin:$PATH
+' >> $PKG/etc/profile.d/tde.sh
+
+[[ $INSTALL_TDE != $TQTDIR ]] && {
+echo '
+[[ $PATH != *'"$INSTALL_TDE"'/bin* ]] && PATH='"$INSTALL_TDE"'/bin:$PATH
+' >> $PKG/etc/profile.d/tde.sh
+}
+
+echo '
+# update MANPATH
+[[ $MANPATH !=  */opt/tde/man* ]] && {
+export MANPATH=$MANPATH:'"$INSTALL_TDE"'/man
+}
+' >> $PKG/etc/profile.d/tde.sh
+
+## set TDEHOME and TDEROOTHOME variables - defaults ~/.trinity and /root/.trinity
+[[ $TDE_CNF_DIR == *tde* ]] && {
+echo '
+export TDEHOME=~/.tde
+export TDEROOTHOME=/root/.tde
+' >> $PKG/etc/profile.d/tde.sh
+}
+
+echo '}
+' >> $PKG/etc/profile.d/tde.sh
+
 echo '#!'"/bin/csh
 # TDE additions:
 if ( ! \$?TDEDIR ) then
@@ -479,24 +517,6 @@ config() {
 config .'"$INSTALL_TDE"'/share/config/tdm/tdmrc.new
 config .'"$INSTALL_TDE"'/share/config/tdm/backgroundrc.new
 
-# update PATH
-# upgradepkg runs installpkg twice, so even though '"$TQTDIR"'/bin might be
-# a new PATH, it needs to be tested for the second run
-if ! grep '"$TQTDIR"'/bin /etc/profile
-then
-echo "PATH='"$TQTDIR"'/bin:\$PATH" >> /etc/profile
-fi
-if ! grep '"$INSTALL_TDE"'/bin /etc/profile
-then
-echo "PATH='"$INSTALL_TDE"'/bin:\$PATH" >> /etc/profile
-fi
-
-# update MANPATH
-if ! grep '"$INSTALL_TDE"'/man /etc/profile
-then
-echo "export MANPATH=\$MANPATH:'"$INSTALL_TDE"'/man" >> /etc/profile
-fi
-
 ## you may not want to do this ##
 # start a '\''konsole'\'' with system-wide profile
 [[ ! $(grep -x "source /etc/profile" $HOME/.bashrc ) ]] && echo "source /etc/profile" >> $HOME/.bashrc || true
@@ -504,15 +524,6 @@ fi
 sed -i '\''s|source /etc/profile.d/mc.sh|#source /etc/profile.d/mc.sh|'\'' $HOME/.bashrc || true
 ' > $PKG/install/doinst.sh
 
-## set TDEHOME and TDEROOTHOME variables - defaults ~/.trinity and /root/.trinity
-[[ $TDE_CNF_DIR == *tde* ]] && {
-echo "# upgradepkg runs installpkg twice, so firstly remove any previous TDE*HOME entries
-sed -i '/TDE.*HOME/d' /etc/profile
-echo 'export TDEHOME=~/.tde' >> /etc/profile
-echo 'export TDEROOTHOME=/root/.tde' >> /etc/profile
-" >> $PKG/install/doinst.sh
-}
-
 ## Set up doinst.sh according to the TDM options selected
 [[ $(cat $TMPVARS/RUNLEVEL) == *rc4l* ]] && {
 echo '## login manager TDM selected
@@ -526,7 +537,6 @@ sed -i 's|id:[1-5]|id:4|' etc/inittab
 " >> $PKG/install/doinst.sh
 }
 
-
 doinst_sh_fn
 
 ##############################################################################
diff --git a/Core/tdegraphics/tdegraphics.SlackBuild b/Core/tdegraphics/tdegraphics.SlackBuild
index ec41e03..a6def10 100755
--- a/Core/tdegraphics/tdegraphics.SlackBuild
+++ b/Core/tdegraphics/tdegraphics.SlackBuild
@@ -110,6 +110,10 @@ sed -i 's|tqt_TQOBJECT|TQT_TQOBJECT_H|' kmrml/kmrml/kcontrol/mainpage.cpp
 sed -i 's|TQT_|TQ_|g' kmrml/kmrml/*.cpp
 sed -i 's|TQT_|TQ_|' kmrml/kmrml/server/*.cpp
 #
+[[ $TDEVERSION == 14.1.x ]] && {
+sed -i 's|KDE_EXPORT|TDE_EXPORT|' kmrml/kmrml/*.cpp
+sed -i 's|KDE_EXPORT|TDE_EXPORT|' kmrml/kmrml/server/*.cpp
+}
 ## display deprecation message
 sed -i  's|AUTHOR_WARNING|WARNING|' kmrml/CMakeLists.txt
 }
diff --git a/Core/tdelibs/tdelibs.SlackBuild b/Core/tdelibs/tdelibs.SlackBuild
index ab1e447..6eff770 100755
--- a/Core/tdelibs/tdelibs.SlackBuild
+++ b/Core/tdelibs/tdelibs.SlackBuild
@@ -136,6 +136,10 @@ patch -N -p0 << EOF || true
 +			<itemData name="difflineadd" defStyleNum="dsNormal" backgroundColor="#eeeeee" color="#0000FF" />
 EOF
 
+## correct test for sudo
+sed -i 's|^if( TDESU_BACKEND-NOTFOUND )|if( ${TDESU_BACKEND} STREQUAL "TDESU_BACKEND-NOTFOUND" )|' CMakeLists.txt
+sed -i 's|endif( TDESU_BACKEND-NOTFOUND )|endif()|' CMakeLists.txt
+
 listdocs_fn
 
 chown_fn
@@ -155,6 +159,7 @@ pkg-config jasper && JASPER="ON"
 ## just show message without failing if no spell checker is installed
 sed -i 's|tde_message_fatal( "Spell checker|message( "Spell checker|' ../CMakeLists.txt
 
+[[ $TDEVERSION != 14.1.2 ]] && pkg-config libwebp && W_WEBP=-DWITH_WEBP=ON
 cmake ${G_NINJA:-} -C $TMPVARS/CMAKE_CACHE ${CMAKE_OPTS:-} \
     -DDEFAULT_SPELL_CHECKER=${DEF_SP_CHKR:-"ASPELL"} \
     -DTDE_MALLOC="OFF" \
@@ -190,7 +195,7 @@ cmake ${G_NINJA:-} -C $TMPVARS/CMAKE_CACHE ${CMAKE_OPTS:-} \
     -DWITH_PCSC="OFF" \
     -DWITH_PKCS="OFF" \
     -DWITH_SSL="ON" \
-    -DWITH_SUDO_TDESU_BACKEND="ON" \
+    -DWITH_SUDO_TDESU_BACKEND=${W_SUDO:-"OFF"} \
     -DWITH_TDEHWLIB="ON" \
     -DWITH_TDEHWLIB_DAEMONS="ON" \
     -DWITH_TDEICONLOADER_DEBUG="OFF" \
@@ -200,6 +205,7 @@ cmake ${G_NINJA:-} -C $TMPVARS/CMAKE_CACHE ${CMAKE_OPTS:-} \
     -DWITH_UDISKS="ON" \
     -DWITH_UPOWER="OFF" \
     -DWITH_UTEMPTER="OFF" \
+    ${W_WEBP:-} \
     -DWITH_XCOMPOSITE="ON" \
     -DWITH_XRANDR="ON"
 
diff --git a/Deps/tqt3/tqt3.SlackBuild b/Deps/tqt3/tqt3.SlackBuild
index 4a85fc9..2d09253 100755
--- a/Deps/tqt3/tqt3.SlackBuild
+++ b/Deps/tqt3/tqt3.SlackBuild
@@ -54,9 +54,6 @@ echo $'--- mkspecs/linux-g++/qmake.conf
 @@ -29 +29 @@
 -QMAKE_CXX		= g++
 +QMAKE_CXX		= $(COMPILER_CXX)
-@@ -40 +40 @@
--QMAKE_INCDIR		=
-+QMAKE_INCDIR		= $(TQTDIR)/include/tqt
 @@ -42,2 +42,2 @@
 -QMAKE_INCDIR_X11	= /usr/X11R6/include
 -QMAKE_LIBDIR_X11	= /usr/X11R6/lib
@@ -66,7 +63,7 @@ echo $'--- mkspecs/linux-g++/qmake.conf
 -QMAKE_LIBDIR_TQT		= $(TQTDIR)/lib
 -QMAKE_INCDIR_OPENGL	= /usr/X11R6/include
 -QMAKE_LIBDIR_OPENGL	= /usr/X11R6/lib
-+QMAKE_LIBDIR_TQT		= $(TQTDIR)/lib'"$LIBDIRSUFFIX"$'
++QMAKE_LIBDIR_TQT	= $(TQTDIR)/lib'"$LIBDIRSUFFIX"$'
 +QMAKE_INCDIR_OPENGL	= /usr/include/GL
 +QMAKE_LIBDIR_OPENGL	= /usr/lib'"$LIBDIRSUFFIX"$'
 @@ -49,2 +49,2 @@
@@ -164,7 +161,7 @@ echo "yes" | \
 #| cc1plus: error: one or more PCH files were found, but they were invalid
 #| <command-line>: fatal error: tqtdesignercore: No such file or directory
 ## Not a fatal error causing a build failure - qmake_image_collection.o compiles later
-## at its correct position in the Makefile OBJECTS list - but it's misleading
+## at its correct position in the Makefile OBJECTS list - but the error message is misleading
 sed -i 's|./qmake_image_collection.o:.*$|& tqtdesignercore.gch/c++|' tools/designer/designer/Makefile
 
 ## don't build tutorial and examples which won't be installed because the release version is being built
@@ -185,57 +182,72 @@ rm bin/tqm2ts
 
 installdocs_fn
 
+## Ref issue #37
+## Set up tqt3.sh to add TDE PATHs only if xinitrc -> xinitrc.tde
 mkdir -p $PKG/etc/profile.d
 #
 echo '#!'"/bin/sh
+
+# Only add TDE PATHs if TDE is set as the chosen DE
+[[ \$(readlink -e /etc/X11/xinit/xinitrc) == *xinitrc.tde ]] && {
+
 # Environment path variable for the tQt package.
 export TQTDIR=$TQTDIR
 " > $PKG/etc/profile.d/tqt3.sh
+
+echo "echo '# Add TDE library directory:
+$INSTALL_TDE/lib$LIBDIRSUFFIX
+' > /etc/ld.so.conf.d/tqt3.conf
+" >> $PKG/etc/profile.d/tqt3.sh
+
+[[ $TQTDIR != $INSTALL_TDE ]] && {
+echo "echo '# Add TQT library directory:
+$TQTDIR/lib$LIBDIRSUFFIX
+' >> /etc/ld.so.conf.d/tqt3.conf
+" >> $PKG/etc/profile.d/tqt3.sh
+}
+
+[[ $(cat $TMPVARS/PKG_CONFIG_PATH_MOD) != set ]] && PC_HASH="#"
+echo "
+# Update PKG_CONFIG_PATH for TDE:
+#
+## add path for INSTALL_TDE ..
+[[ \$PKG_CONFIG_PATH != *$INSTALL_TDE/lib$LIBDIRSUFFIX/pkgconfig* ]] && \\
+PKG_CONFIG_PATH=\$PKG_CONFIG_PATH:$INSTALL_TDE/lib$LIBDIRSUFFIX/pkgconfig
+## .. and for TQTDIR if different" >> $PKG/etc/profile.d/tqt3.sh
+
+[[ $TQTDIR != $INSTALL_TDE ]] && \
+echo "[[ \$PKG_CONFIG_PATH != *$TQTDIR/lib$LIBDIRSUFFIX/pkgconfig* ]] && \\
+PKG_CONFIG_PATH=\$PKG_CONFIG_PATH:$TQTDIR/lib$LIBDIRSUFFIX/pkgconfig" >> $PKG/etc/profile.d/tqt3.sh
+
+echo "#
+## remove duplicated paths:
+${PC_HASH:-}PKG_CONFIG_PATH=\$(echo \$PKG_CONFIG_PATH| tr : \\\\n | awk '!seen[\$0]++' | tr \\\\n :|sed 's|:\$||')
 #
+export PKG_CONFIG_PATH
+} || {
+[[ -e /etc/ld.so.conf.d/tqt3.conf ]] && {
+echo '# TDE library directory to be added:
+' > /etc/ld.so.conf.d/tqt3.conf
+}
+}" >> $PKG/etc/profile.d/tqt3.sh
+
+## set up a placeholder file to enable removal with removepkg -
+## contents will be added from tqt3.sh
+mkdir -p $PKG/etc/ld.so.conf.d
+echo '# Placeholder - TDE library directory to be added:
+' > $PKG/etc/ld.so.conf.d/tqt3.conf
+
 echo '#!'"/bin/csh
 # Environment path variable for the tQt package:
 setenv TQTDIR $TQTDIR
 " > $PKG/etc/profile.d/tqt3.csh
-#
-chmod 755 $PKG/etc/profile.d/*
 
 strip_fn
 
 mkdir_install_fn
 
-# Add this to the doinst.sh:
 cat <<EOINS >> $PKG/install/doinst.sh
-# Add TDE library directory:
-[[ \$(cat etc/ld.so.conf|head -n1) != $INSTALL_TDE/lib$LIBDIRSUFFIX ]] && \
-sed -i "1i $INSTALL_TDE/lib$LIBDIRSUFFIX" etc/ld.so.conf
-
-# Add TQt library directory:
-[[ \$(cat etc/ld.so.conf|head -n1) != $TQTDIR/lib$LIBDIRSUFFIX ]] && \
-sed -i "1i $TQTDIR/lib$LIBDIRSUFFIX" etc/ld.so.conf
-
-[[ -x /sbin/ldconfig ]] && /sbin/ldconfig
-
-EOINS
-
-[[ $(cat $TMPVARS/PKG_CONFIG_PATH_MOD) != set ]] && PC_HASH="#"
-cat <<EOINS >> $PKG/install/doinst.sh
-## This could be a rebuild or upgradepkg running installpkg twice,
-## so delete any previous routine
-sed -i '/Update PKG_CONFIG_PATH for TDE/,+11d' etc/profile.d/pkgconfig.sh
-
-echo '# Update PKG_CONFIG_PATH for TDE:
-## remove duplicated paths:
-${PC_HASH:-}PKG_CONFIG_PATH=\$(echo \$PKG_CONFIG_PATH| tr : \\\\n | awk '"'!seen[\\\$0]++'"' | tr \\\\n :|sed '"'s|:\$||'"')
-#
-## add path for INSTALL_TDE ..
-[[ ! \$PKG_CONFIG_PATH == *$INSTALL_TDE/lib$LIBDIRSUFFIX/pkgconfig* ]] && \\
-PKG_CONFIG_PATH=\$PKG_CONFIG_PATH:$INSTALL_TDE/lib$LIBDIRSUFFIX/pkgconfig
-## .. and for TQTDIR if different
-[[ ! \$PKG_CONFIG_PATH == *$TQTDIR/lib$LIBDIRSUFFIX/pkgconfig* ]] && \\
-PKG_CONFIG_PATH=\$PKG_CONFIG_PATH:$TQTDIR/lib$LIBDIRSUFFIX/pkgconfig
-#
-export PKG_CONFIG_PATH' >> etc/profile.d/pkgconfig.sh
-
 ## csh
 # Update PKG_CONFIG_PATH:
 [[ ! \$( grep $INSTALL_TDE/lib$LIBDIRSUFFIX/pkgconfig etc/profile.d/pkgconfig.csh ) ]] && \\
@@ -244,6 +256,17 @@ sed -i "s|pkgconfig$|pkgconfig:$INSTALL_TDE/lib$LIBDIRSUFFIX/pkgconfig|" etc/pro
 sed -i "s|pkgconfig$|pkgconfig:$TQTDIR/lib$LIBDIRSUFFIX/pkgconfig|" etc/profile.d/pkgconfig.csh
 EOINS
 
+chmod 755 $PKG/etc/profile.d/*
+
+# Add this to the doinst.sh:
+cat <<EOINS >> $PKG/install/doinst.sh
+# May need to add ld.so.conf.d to /etc/ld.so.conf for Slackware 14.2 users:
+[[ ! \$(grep ld.so.conf.d /etc/ld.so.conf) ]] && \\
+sed -i '1 i include /etc/ld.so.conf.d/*.conf' /etc/ld.so.conf
+
+[[ -x /sbin/ldconfig ]] && /sbin/ldconfig
+EOINS
+
 doinst_sh_fn
 
 echo "
diff --git a/Misc/graphviz/graphviz.SlackBuild b/Misc/graphviz/graphviz.SlackBuild
index a880142..6e4507e 100755
--- a/Misc/graphviz/graphviz.SlackBuild
+++ b/Misc/graphviz/graphviz.SlackBuild
@@ -26,7 +26,7 @@
 #  ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.
 
 PRGNAM=graphviz
-VERSION=10.0.1
+VERSION=12.1.1
 BUILD=${BUILD:-1}
 TAG=${TAG:-}
 
diff --git a/Misc/imlib2/imlib2.SlackBuild b/Misc/imlib2/imlib2.SlackBuild
index 6fd00d4..f631209 100755
--- a/Misc/imlib2/imlib2.SlackBuild
+++ b/Misc/imlib2/imlib2.SlackBuild
@@ -21,7 +21,7 @@
 #   SUCH DAMAGE.
 
 PRGNAM=imlib2
-VERSION=1.12.2
+VERSION=1.12.3
 BUILD=${BUILD:-1}
 TAG=${TAG:-}
 
diff --git a/Misc/xmedcon/xmedcon.SlackBuild b/Misc/xmedcon/xmedcon.SlackBuild
index c62895a..2c6dbd6 100755
--- a/Misc/xmedcon/xmedcon.SlackBuild
+++ b/Misc/xmedcon/xmedcon.SlackBuild
@@ -25,7 +25,7 @@
 #
 # 
 PRGNAM=xmedcon
-VERSION=0.23.0
+VERSION=0.24.0
 BUILD=${BUILD:-1}
 TAG=${TAG:-}
 
diff --git a/README.md b/README.md
index 6af3919..1d85c1e 100644
--- a/README.md
+++ b/README.md
@@ -32,11 +32,11 @@ If you're curious about what this might involve, [take a look at a sample build
 URLs for this and other locations are @ https://www.trinitydesktop.org/mirrorstatus.php
 * BUILD= - sets the package build identifier, overriding the SlackBuild default of 1
 * GCC_VIS=0 - override setting gcc visibility if it has been set ON in tdelibs
-* FEAT= - test a pre-merge feature for development builds - see get-source.sh
+* FEAT= - test a pre-merge feature for development builds - see notes in get-source.sh
 * build_regextester=[yp] - build the regex tester from the tqt3 example - see the tqt3 README
 * mailmerge=n - build kword without mailmerge - see the koffice README and SlackBuild
 * KP_BTN=n - build ksnapshot without the dedicated KolourPaint button - see the tdegraphics README and SlackBuild
-
+* W_SUDO=ON - set backends for using sudo as the super user command [default is su]
 ---
 
 ***The directory structure*** for the SlackBuild scripts is in line with the Trinity release source repositories:  
@@ -134,6 +134,8 @@ Includes:
 
 [4] The README for a [native build for Raspberry Pi3](./README-Raspberry-Pi3.md) is out-of-date and cross compiling is a better option.
 
+[5] The options for including features into any build are detailed in the *.SlackBuild - under `../configure` or `cmake -D*`. Those chosen in these scripts are a selection which work for my builds, so if your installation requires a different set of options, the *.SlackBuild should be edited for the option[s] required.
+
 ---
 
 See https://wiki.trinitydesktop.org/How_to_Build_TDE_Core_Modules for more information
diff --git a/get-source.sh b/get-source.sh
index 0fdb5eb..8ea9f56 100755
--- a/get-source.sh
+++ b/get-source.sh
@@ -275,22 +275,37 @@ cd $BUILD_TDE_ROOT/src/cgit/$PRGNAM/
 echo -e "\n copying $PRGNAM git sources to build area ... \n"
 ## remove any old .git/worktrees records - only being used here as a build source
 rm -rf .git/worktrees/*
-## use FEAT as a command line option to checkout any other development branch ..
+## Use FEAT as a command line option to checkout any other development branch ..
 ## .. plus FEATa for admin, FEATc for cmake if required
 git worktree add -f $TMP_BUILD/tmp-$PRGNAM/$PRGNAM/ ${FEAT:-$DEV_BRANCH}
 
-
 cd ../admin
 echo -e "\n copying admin git sources to build area ... \n"
 rm -rf .git/worktrees/*
 git worktree add -f $TMP_BUILD/tmp-$PRGNAM/$PRGNAM/admin/ ${FEATa:-$DEV_BRANCH}
 
-
 cd ../cmake
 echo -e "\n copying cmake git sources to build area ... \n"
 rm -rf .git/worktrees/*
 git worktree add -f $TMP_BUILD/tmp-$PRGNAM/$PRGNAM/cmake/ ${FEATc:-$DEV_BRANCH}
 
+echo -e "\033[39;1m"
+## The FEAT commits are based on master branch, so
+## rebase the FEAT master branch commit onto the
+## r14.1.x branch where that is being built
+[[ ${FEAT:-} ]] && feat=${FEAT:-}
+[[ ${FEATa:-} ]] && feat=${FEATa:-} && cm_ad=admin/
+[[ ${FEATc:-} ]] && feat=${FEATc:-} && cm_ad=cmake/
+[[ ${feat:-} != "" && $DEV_BRANCH == r14.1.x ]] && {
+( cd $TMP_BUILD/tmp-$PRGNAM/$PRGNAM/${cm_ad:-}
+git rebase --onto r14.1.x master $feat
+) || { echo -e "\033[39;1m
+    rebasing $feat onto the r14.1.x branch failed
+    - try doing a 14.2.0 build instead
+\033[0m" ; exit 1 ; }
+}
+echo -e "\033[0m"
+
 [[ " arts tdelibs " == *$PRGNAM* ]] && {
 cd ../libltdl
 echo -e "\n copying libltdl git sources to build area ... \n"