diff --git a/Apps/abakus/abakus.SlackBuild b/Apps/abakus/abakus.SlackBuild
index 2e8146e..69dbb6e 100755
--- a/Apps/abakus/abakus.SlackBuild
+++ b/Apps/abakus/abakus.SlackBuild
@@ -42,6 +42,11 @@ chown_fn
 
 cd_builddir_fn
 
+## Add man page for development builds
+[[ $TDEVERSION != 14.0.12 ]] && {
+MANDIR=-DMAN_INSTALL_DIR=$INSTALL_TDE/man
+}
+
 cmake ${G_NINJA:-} ${CMAKE_OPTS:-} \
     -DCMAKE_C_FLAGS="$SLKRCFLAGS" \
     -DCMAKE_CXX_FLAGS="$SLKRCFLAGS" \
@@ -50,6 +55,7 @@ cmake ${G_NINJA:-} ${CMAKE_OPTS:-} \
     -DCMAKE_BUILD_TYPE=Release \
     -DCMAKE_INSTALL_PREFIX=$INSTALL_TDE \
     -DWITH_GCC_VISIBILITY=${GCC_VIS:-} \
+    ${MANDIR:-} \
     -DBUILD_DOC="ON" \
     -DBUILD_TRANSLATIONS="ON" \
     -Wno-dev \
@@ -59,6 +65,8 @@ make_fn
 
 installdocs_fn
 
+[[ $TDEVERSION != 14.0.12 ]] && mangzip_fn
+
 strip_fn
 
 mkdir_install_fn
diff --git a/Apps/gtk3-tqt-engine/gtk3-tqt-engine.SlackBuild b/Apps/gtk3-tqt-engine/gtk3-tqt-engine.SlackBuild
index d3537f5..a000b43 100755
--- a/Apps/gtk3-tqt-engine/gtk3-tqt-engine.SlackBuild
+++ b/Apps/gtk3-tqt-engine/gtk3-tqt-engine.SlackBuild
@@ -33,19 +33,23 @@ getsource_fn
 
 untar_fn
 
+[[ $TDEVERSION == 14.0.12 ]] && {
 ## install theme engine to lib$LIBDIRSUFFIX
 sed -i 's|/lib/|/lib$(LIBDIRSUFFIX)/|' tdegtk/Makefile.am
 ## remove redundant KDE_INCLUDES which is null if installing to /usr and causes a '/tde not found' error
 sed -i 's| $(KDE_INCLUDES)/tde||' {tdegtk,tests}/Makefile.am
+}
 
 listdocs_fn
 
-ltoolupdate_fn
+[[ $TDEVERSION == 14.0.12 ]] && ltoolupdate_fn
 
 chown_fn
 
 cd_builddir_fn
 
+[[ $TDEVERSION == 14.0.12 ]] && {
+
 CFLAGS="$SLKRCFLAGS" \
 CXXFLAGS="$SLKRCFLAGS" \
 CC=$COMPILER \
@@ -55,6 +59,23 @@ CXX=$COMPILER_CXX \
    --disable-rpath \
    --enable-closure
 
+} || {
+
+cmake ${G_NINJA:-} ${CMAKE_OPTS:-} \
+    -DCMAKE_C_FLAGS="$SLKRCFLAGS" \
+    -DCMAKE_CXX_FLAGS="$SLKRCFLAGS" \
+    -DCMAKE_C_COMPILER=$COMPILER \
+    -DCMAKE_CXX_COMPILER=$COMPILER_CXX \
+    -DCMAKE_BUILD_TYPE=Release \
+    -DCMAKE_INSTALL_PREFIX=$INSTALL_TDE \
+    -DLIB_SUFFIX=$LIBDIRSUFFIX \
+    -DWITH_GCC_VISIBILITY=${GCC_VIS:-} \
+    -DBUILD_TESTS="OFF" \
+    -Wno-dev \
+    ..
+
+}
+
 make_fn
 
 installdocs_fn
diff --git a/Apps/k3b/k3b.SlackBuild b/Apps/k3b/k3b.SlackBuild
index 6a50307..ea9bca9 100755
--- a/Apps/k3b/k3b.SlackBuild
+++ b/Apps/k3b/k3b.SlackBuild
@@ -323,6 +323,7 @@ patch -p0 << EOF
 EOF
 }
 
+[[ $TDEVERSION == 14.0.12 ]] && {
 ## using cmake common rules
 find doc -name CMakeLists.txt | xargs rm
 
@@ -337,16 +338,22 @@ tde_conditional_add_project_docs( BUILD_DOC )|' CMakeLists.txt
 mv doc/tdeioslave doc/en
 mv doc/en/en doc/en/tdeioslave
 mv doc/*.* doc/en/
-
+}
 mkdir doc/misc
 mv FAQ doc/misc/
 
+
 listdocs_fn
 
 chown_fn
 
 cd_builddir_fn
 
+## Add man page for development builds
+[[ $TDEVERSION != 14.0.12 ]] && {
+MANDIR=-DMAN_INSTALL_DIR=$INSTALL_TDE/man
+}
+
 cmake ${G_NINJA:-} ${CMAKE_OPTS:-} \
     -DCMAKE_C_FLAGS="$SLKRCFLAGS" \
     -DCMAKE_CXX_FLAGS="$SLKRCFLAGS" \
@@ -356,6 +363,7 @@ cmake ${G_NINJA:-} ${CMAKE_OPTS:-} \
     -DCMAKE_INSTALL_PREFIX=$INSTALL_TDE \
     -DLIB_SUFFIX=$LIBDIRSUFFIX \
     -DPLUGIN_INSTALL_DIR=$INSTALL_TDE/lib$LIBDIRSUFFIX/$PLUGIN_INSTALL_DIR \
+    ${MANDIR:-} \
     -DWITH_LIBDVDREAD="ON" \
     -DWITH_MUSICBRAINZ=${MUSICBRAINZ:-"OFF"} \
     -DWITH_SYSTEM_LIBSAMPLERATE="ON" \
@@ -381,6 +389,8 @@ make_fn
 
 installdocs_fn
 
+[[ $TDEVERSION != 14.0.12 ]] && mangzip_fn
+
 strip_fn
 
 mkdir_install_fn
diff --git a/Apps/kile/kile.SlackBuild b/Apps/kile/kile.SlackBuild
index 96f30a7..b84522e 100755
--- a/Apps/kile/kile.SlackBuild
+++ b/Apps/kile/kile.SlackBuild
@@ -46,6 +46,12 @@ chown_fn
 
 cd_builddir_fn
 
+## Add man page for development builds
+[[ $TDEVERSION != 14.0.12 ]] && {
+MANDIR=-DMAN_INSTALL_DIR=$INSTALL_TDE/man
+sed -i '/If the TDE/,+2d' ../doc/man/kile.1
+}
+
 cmake ${G_NINJA:-} ${CMAKE_OPTS:-} \
     -DCMAKE_C_FLAGS="$SLKRCFLAGS" \
     -DCMAKE_CXX_FLAGS="$SLKRCFLAGS" \
@@ -54,6 +60,7 @@ cmake ${G_NINJA:-} ${CMAKE_OPTS:-} \
     -DCMAKE_BUILD_TYPE=Release \
     -DCMAKE_INSTALL_PREFIX=$INSTALL_TDE \
     -DWITH_GCC_VISIBILITY=${GCC_VIS:-} \
+    ${MANDIR:-} \
     -DBUILD_DOC="ON" \
     -DBUILD_TRANSLATIONS="ON" \
     -Wno-dev \
@@ -63,6 +70,8 @@ make_fn
 
 installdocs_fn
 
+[[ $TDEVERSION != 14.0.12 ]] && mangzip_fn
+
 strip_fn
 
 mkdir_install_fn
diff --git a/Apps/rosegarden/rosegarden.SlackBuild b/Apps/rosegarden/rosegarden.SlackBuild
index 528fe9d..4d30915 100755
--- a/Apps/rosegarden/rosegarden.SlackBuild
+++ b/Apps/rosegarden/rosegarden.SlackBuild
@@ -33,6 +33,7 @@ getsource_fn
 
 untar_fn
 
+[[ $TDEVERSION == 14.0.12 ]] && {
 ## remove help documentation build instruction from all locales ...
 sed -i '/tde_create_handbook/,+3d' doc/*/CMakeLists.txt || true
 ## ... and restore for 'en'
@@ -55,8 +56,12 @@ ldocs="$ldocs $Lang"
 done
 #
 sed -i "s|\${po_files}|$langs|" po/CMakeLists.txt
-langs=$(echo $langs|sed "s|/$PRGNAM.po||g")
-[[ $langs != "" ]] && TRANS=ON
+[[ $langs != "" ]] && TRANS=ON && langs=" $(echo $langs|sed "s|/$PRGNAM.po||g")"
+} || {
+## for slack-desc and to set TRANS=ON until 14.0.12 build removed
+langs="";for Lang in $I18N;do [[ -s translations/messages/$Lang.po ]] && langs="$langs $Lang" && TRANS=ON;done
+ldocs="";for Lang in $I18N;do [[ -d doc/$Lang ]] && ldocs="$ldocs $Lang";done
+}
 
 ## delete zero length files
 find data/pixmaps/feta -type f -empty -delete
@@ -73,6 +78,13 @@ pkg-config jack && JACK="ON"
 # Check for DSSI aka "Dizzy"
 pkg-config dssi && DSSI="ON"
 
+## Add man page for development builds
+[[ $TDEVERSION != 14.0.12 ]] && {
+MANDIR=-DMAN_INSTALL_DIR=$INSTALL_TDE/man
+## for cmake version 3.21.x?
+sed -i 's|PROJECT(ROSEGARDEN)|project(rosegarden)|' ../CMakeLists.txt
+}
+
 cmake ${G_NINJA:-} ${CMAKE_OPTS:-} \
     -DCMAKE_C_FLAGS="$SLKRCFLAGS" \
     -DCMAKE_CXX_FLAGS="$SLKRCFLAGS" \
@@ -82,6 +94,7 @@ cmake ${G_NINJA:-} ${CMAKE_OPTS:-} \
     -DCMAKE_INSTALL_PREFIX=$INSTALL_TDE \
     -DLIB_SUFFIX=$LIBDIRSUFFIX \
     -DWITH_GCC_VISIBILITY=${GCC_VIS:-} \
+    ${MANDIR:-} \
     -DBUILD_DOC="ON" \
     -DBUILD_TRANSLATIONS=${TRANS:-"OFF"} \
     -DWANT_SOUND="ON" \
@@ -99,6 +112,8 @@ make_fn
 
 installdocs_fn
 
+[[ $TDEVERSION != 14.0.12 ]] && mangzip_fn
+
 strip_fn
 
 mkdir_install_fn
@@ -116,7 +131,7 @@ echo "
 $PRGNAM: Rosegarden is a MIDI and audio sequencer and musical notation editor.
 $PRGNAM:
 $PRGNAM: With language support for:
-$PRGNAM: en $langs
+$PRGNAM: en$langs
 $PRGNAM:
 $PRGNAM: With help documentation for:
 $PRGNAM: en$ldocs
diff --git a/Apps/tdeio-locate/tdeio-locate.SlackBuild b/Apps/tdeio-locate/tdeio-locate.SlackBuild
index a45f832..a5d81d8 100755
--- a/Apps/tdeio-locate/tdeio-locate.SlackBuild
+++ b/Apps/tdeio-locate/tdeio-locate.SlackBuild
@@ -33,12 +33,19 @@ getsource_fn
 
 untar_fn
 
+[[ $TDEVERSION == 14.0.12 ]] && {
 # set support for additional language(s) as per I18N variable
 # but only for languages available with this package
 langs="";for Lang in $I18N;do [[ -d po/$Lang ]] && langs="$langs $Lang/$PRGNAM.po";done
 sed -i "s|\${po_files}|$langs|" po/CMakeLists.txt
-langs=$(echo $langs|sed "s|/$PRGNAM.po||g")
-[[ $langs != "" ]] && TRANS=ON
+[[ $langs != "" ]] && TRANS=ON && langs=" $(echo $langs|sed "s|/$PRGNAM.po||g")"
+} || {
+## for slack-desc and to set TRANS=ON until 14.0.12 build removed
+langs=""
+for Lang in $I18N
+do [[ -s translations/messages/$Lang.po ]] && langs="$langs $Lang" && TRANS=ON
+done
+}
 
 listdocs_fn
 
@@ -79,7 +86,7 @@ echo "
 $PRGNAM: tdeio-locate is a TDE I/O Slave for the locate command.
 $PRGNAM:
 $PRGNAM: With language support for:
-$PRGNAM: en $langs
+$PRGNAM: en$langs
 $PRGNAM:
 $PRGNAM:
 $PRGNAM:
diff --git a/Apps/tdepowersave/tdepowersave.SlackBuild b/Apps/tdepowersave/tdepowersave.SlackBuild
index b6820f6..dc13a27 100755
--- a/Apps/tdepowersave/tdepowersave.SlackBuild
+++ b/Apps/tdepowersave/tdepowersave.SlackBuild
@@ -33,6 +33,7 @@ getsource_fn
 
 untar_fn
 
+[[ $TDEVERSION == 14.0.12 ]] && {
 ## remove help documentation build instruction from all [non-en] locales ...
 sed -i '/tde_create_handbook/,+3d' doc/??{,_??}/CMakeLists.txt || true
 # .. restore for en always
@@ -60,6 +61,11 @@ done
 ## this GLOB overrides "LANG auto" in po/CMakeLists.txt:
 sed -i "s| \*.po| $lpos|" cmake/modules/TDEMacros.cmake
 [[ $lpos != "" ]] && TRANS=ON
+} || {
+## for slack-desc and to set TRANS=ON until 14.0.12 build removed
+langs="";for Lang in $I18N;do [[ -s translations/messages/$Lang.po ]] && langs="$langs $Lang" && TRANS=ON;done
+ldocs="";for Lang in $I18N;do [[ -d doc/$Lang ]] && ldocs="$ldocs $Lang";done
+}
 
 listdocs_fn
 
diff --git a/BUILD-TDE.sh b/BUILD-TDE.sh
index b1aeb1c..df08e9a 100755
--- a/BUILD-TDE.sh
+++ b/BUILD-TDE.sh
@@ -793,7 +793,7 @@ Create and/or update the git repositories local copies.
 [[ $(cat $TMPVARS/DL_CGIT) != no ]] &&  {
 dialog --cr-wrap --no-shadow --colors --defaultno --title " Only download sources " --yesno \
 "
-This would be useful for running the build off-line.
+This is useful for running the build off-line.
 
 \Z1Y\Zb\Z0es\Zn
  Download the sources for the build list without building packages.
diff --git a/Deps/arts/arts.SlackBuild b/Deps/arts/arts.SlackBuild
index d0044fd..264ca4f 100755
--- a/Deps/arts/arts.SlackBuild
+++ b/Deps/arts/arts.SlackBuild
@@ -39,6 +39,14 @@ chown_fn
 
 cd_builddir_fn
 
+## Add man pages for development builds
+[[ $TDEVERSION != 14.0.12 ]] && {
+MANDIR=-DMAN_INSTALL_DIR=$INSTALL_TDE/man
+BUILDDOC=-DBUILD_DOC="ON"
+sed -i 's|^KDE|TDE|' ../README.md
+for i in ../doc/man/*.1 ; do mv $i ${i%%-trinity.1}.1 ; done
+}
+
 cmake ${G_NINJA:-} ${CMAKE_OPTS:-} \
     -DCMAKE_C_FLAGS="$SLKRCFLAGS" \
     -DCMAKE_CXX_FLAGS="$SLKRCFLAGS" \
@@ -47,6 +55,7 @@ cmake ${G_NINJA:-} ${CMAKE_OPTS:-} \
     -DCMAKE_BUILD_TYPE=Release \
     -DCMAKE_INSTALL_PREFIX=$INSTALL_TDE \
     -DLIB_SUFFIX=$LIBDIRSUFFIX \
+    ${MANDIR:-} \
     -DWITH_ALSA="ON" \
     -DWITH_AUDIOFILE="ON" \
     -DWITH_ESOUND="OFF" \
@@ -55,6 +64,7 @@ cmake ${G_NINJA:-} ${CMAKE_OPTS:-} \
     -DWITH_MAD="ON" \
     -DWITH_SNDIO="OFF" \
     -DWITH_VORBIS="ON" \
+    ${BUILDDOC:-} \
     -Wno-dev \
     ..
 
@@ -62,6 +72,8 @@ make_fn
 
 installdocs_fn
 
+[[ $TDEVERSION != 14.0.12 ]] && mangzip_fn
+
 strip_fn
 
 mkdir_install_fn
diff --git a/Misc/inkscape/inkscape.SlackBuild b/Misc/inkscape/inkscape.SlackBuild
index b202ef5..b1e0518 100755
--- a/Misc/inkscape/inkscape.SlackBuild
+++ b/Misc/inkscape/inkscape.SlackBuild
@@ -39,7 +39,7 @@ getsource_fn
 # ### double-conversion  - start
 {
 ## If it is already installed, go to end
-ldconfig -p|grep libdouble-conversion 1>/dev/null || {
+pkg-config double-conversion || ldconfig -p|grep libdouble-conversion 1>/dev/null || { # ldconfig if no .pc file
 ## otherwise, if the source archive is in 'src' ..
 [[ -s $BUILD_TDE_ROOT/src/v3.2.0.tar.gz ]] && {
 ## .. build, package, and install ..
@@ -51,6 +51,31 @@ rm -rf *double-conversion*
 tar xf $BUILD_TDE_ROOT/src/v3.2.0.tar.gz
 cd double-conversion-3.2.0/
 
+## add a pkg-config .pc file
+echo 'prefix=@CMAKE_INSTALL_PREFIX@
+exec_prefix=${prefix}
+libdir=${prefix}/@CMAKE_INSTALL_LIBDIR@
+includedir=${prefix}/@CMAKE_INSTALL_INCLUDEDIR@
+
+Name: Double conversion
+Description: Provides binary-decimal and decimal-binary routines for IEEE doubles
+Version: @PROJECT_VERSION@
+
+Requires:
+Libs: -L${libdir} -l@PROJECT_NAME@
+Cflags: -I${includedir}/@PROJECT_NAME@
+' > double-conversion.pc.in
+#
+patch -p0 << EOF
+--- CMakeLists.txt
++++ CMakeLists.txt
+@@ -118,0 +119,4 @@
++
++configure_file( \${CMAKE_CURRENT_SOURCE_DIR}/\${PROJECT_NAME}.pc.in
++                \${CMAKE_CURRENT_BINARY_DIR}/\${PROJECT_NAME}.pc @ONLY IMMEDIATE )
++install(FILES "\${CMAKE_CURRENT_BINARY_DIR}/\${PROJECT_NAME}.pc" DESTINATION \${CMAKE_INSTALL_LIBDIR}/pkgconfig)
+EOF
+
 cd cmake/
 # LIBDIRSUFFIX not required - builds to lib64 where appropriate ..
 cmake ${G_NINJA:-} \
diff --git a/Misc/speex/README b/Misc/speex/README
new file mode 100644
index 0000000..cac380c
--- /dev/null
+++ b/Misc/speex/README
@@ -0,0 +1 @@
+The speex build for version 1.2.0 has been retained for 14.0.12 builds, but speex v1.2.1 is available as a Slackware 15.0 package and should be used for tdenetwork and amarok builds.