diff --git a/recipes-browser/midori/midori_git.bb b/recipes-browser/midori/midori_git.bb
index 7b3d937..aa73996 100644
--- a/recipes-browser/midori/midori_git.bb
+++ b/recipes-browser/midori/midori_git.bb
@@ -39,11 +39,11 @@ EXTRA_OECMAKE = " \
     -DCMAKE_INSTALL_SYSCONFDIR=/etc \
 "
 
-do_configure_prepend() {
+do_configure:prepend() {
     export VALAC=${STAGING_BINDIR_NATIVE}/valac
 }
 
-RRECOMMENDS_${PN} += " \
+RRECOMMENDS:${PN} += " \
     glib-networking ca-certificates \
     adwaita-icon-theme \
 "
@@ -52,10 +52,10 @@ RRECOMMENDS_${PN} += " \
 # which plugins are # really necessary so use gstreamer1.0-plugins-*-meta.
 # These are necessary to make video streaming work - see [1]
 # [1] https://github.com/midori-browser/core/issues/329
-RRECOMMENDS_${PN} += " \
+RRECOMMENDS:${PN} += " \
     gstreamer1.0-plugins-base-meta \
     gstreamer1.0-plugins-good-meta \
     gstreamer1.0-libav \
 "
 
-FILES_${PN} += "${datadir}/metainfo"
+FILES:${PN} += "${datadir}/metainfo"
diff --git a/recipes-emulators/dosbox/dosbox-staging.bb b/recipes-emulators/dosbox/dosbox-staging.bb
index 242143b..79bb80f 100644
--- a/recipes-emulators/dosbox/dosbox-staging.bb
+++ b/recipes-emulators/dosbox/dosbox-staging.bb
@@ -35,17 +35,17 @@ EXTRA_OEMESON = " \
     ${DYNCORE} \
 "
 
-do_install_append() {
+do_install:append() {
     # avoid clashes
     mv ${D}${bindir}/dosbox ${D}${bindir}/dosbox-staging
     sed -i 's:Exec=dosbox:Exec=dosbox-staging:g' ${D}${datadir}/applications/dosbox-staging.desktop
 }
 
 # sorry - but it does not make sense
-COMPATIBLE_HOST_armv4 = 'null'
-COMPATIBLE_HOST_armv5 = 'null'
-COMPATIBLE_HOST_armv6 = 'null'
+COMPATIBLE_HOST:armv4 = 'null'
+COMPATIBLE_HOST:armv5 = 'null'
+COMPATIBLE_HOST:armv6 = 'null'
 
-FILES_${PN} += "${datadir}/metainfo"
-FILES_${PN}-doc += "${datadir}/licenses"
+FILES:${PN} += "${datadir}/metainfo"
+FILES:${PN}-doc += "${datadir}/licenses"
 
diff --git a/recipes-emulators/dosbox/dosbox-x.bb b/recipes-emulators/dosbox/dosbox-x.bb
index 2612db1..e90a6e6 100644
--- a/recipes-emulators/dosbox/dosbox-x.bb
+++ b/recipes-emulators/dosbox/dosbox-x.bb
@@ -36,8 +36,8 @@ EXTRA_OECONF = " \
 "
 
 # sorry - but it does not make sense
-COMPATIBLE_HOST_armv4 = 'null'
-COMPATIBLE_HOST_armv5 = 'null'
-COMPATIBLE_HOST_armv6 = 'null'
+COMPATIBLE_HOST:armv4 = 'null'
+COMPATIBLE_HOST:armv5 = 'null'
+COMPATIBLE_HOST:armv6 = 'null'
 
-FILES_${PN} += "${datadir}/metainfo"
+FILES:${PN} += "${datadir}/metainfo"
diff --git a/recipes-emulators/dosbox/dosbox.bb b/recipes-emulators/dosbox/dosbox.bb
index b5b7d80..411e858 100644
--- a/recipes-emulators/dosbox/dosbox.bb
+++ b/recipes-emulators/dosbox/dosbox.bb
@@ -20,7 +20,7 @@ PV = "0.74-3"
 PACKAGECONFIG ??= "${@bb.utils.filter('DISTRO_FEATURES', 'opengl', d)}"
 PACKAGECONFIG[opengl] = "--enable-opengl,--disable-opengl,virtual/libgl libglu"
 
-do_install_append() {
+do_install:append() {
 	install -d ${D}/${datadir}/applications
 	install -m 0644 ${WORKDIR}/*.desktop ${D}/${datadir}/applications
 
diff --git a/recipes-emulators/mame/mame.bb b/recipes-emulators/mame/mame.bb
index 3e86071..df6efa2 100644
--- a/recipes-emulators/mame/mame.bb
+++ b/recipes-emulators/mame/mame.bb
@@ -36,14 +36,14 @@ DEPENDS = " \
 CLEANBROKEN = "1"
 
 # avoid stip fail for size of executable >> 4GB - stolen from chromium
-DEBUG_FLAGS_remove_arm = "-g"
-DEBUG_FLAGS_append_arm = "-g1"
-DEBUG_FLAGS_remove_x86 = "-g"
-DEBUG_FLAGS_append_x86 = "-g1"
-DEBUG_FLAGS_remove_aarch64 = "-g"
-DEBUG_FLAGS_append_aarch64 = "-g1"
-DEBUG_FLAGS_remove_x86-64 = "-g"
-DEBUG_FLAGS_append_x86-64 = "-g1"
+DEBUG_FLAGS:remove:arm = "-g"
+DEBUG_FLAGS:append:arm = "-g1"
+DEBUG_FLAGS:remove:x86 = "-g"
+DEBUG_FLAGS:append:x86 = "-g1"
+DEBUG_FLAGS:remove:aarch64 = "-g"
+DEBUG_FLAGS:append:aarch64 = "-g1"
+DEBUG_FLAGS:remove:x86-64 = "-g"
+DEBUG_FLAGS:append:x86-64 = "-g1"
 
 PACKAGE_DEBUG_SPLIT_STYLE = "debug-without-src"
 
@@ -79,7 +79,7 @@ EXTRA_OEMAKE = " \
     PYTHON_EXECUTABLE=python3 \
 "
 
-do_compile_prepend() {
+do_compile:prepend() {
     # seems there is some race. Build complains
     # | Assembler messages:
     # | Fatal error: can't create obj/Release/3rdparty/lzma/C/7zAlloc.o: No such file or directory
@@ -204,7 +204,7 @@ EOF
 }
 
 PACKAGES =+ "${PN}-tools"
-FILES_${PN}-tools = " \
+FILES:${PN}-tools = " \
     ${bindir}/castool \
     ${bindir}/chdman \
     ${bindir}/floptool \
diff --git a/recipes-emulators/vice/vice_3.4.bb b/recipes-emulators/vice/vice_3.4.bb
index cbee370..bf5be71 100644
--- a/recipes-emulators/vice/vice_3.4.bb
+++ b/recipes-emulators/vice/vice_3.4.bb
@@ -58,18 +58,18 @@ EXTRA_OECONF = " \
     --enable-x64 \
 "
 
-EXTRA_OECONF_remove = " \
+EXTRA_OECONF:remove = " \
     --disable-static \
 "
 
-CONFIGUREOPTS_remove = " \
+CONFIGUREOPTS:remove = " \
     --disable-silent-rules \
     ${@append_libtool_sysroot(d)} \
 "
 
 export ar_check="no"
 
-do_install_append() {
+do_install:append() {
     install -d ${D}/${datadir}/applications
     install -m 0644 ${WORKDIR}/vice_64*.desktop ${D}/${datadir}/applications
 
@@ -79,7 +79,7 @@ do_install_append() {
     done
 }
 
-RDEPENDS_${PN} += "hicolor-icon-theme"
+RDEPENDS:${PN} += "hicolor-icon-theme"
 
-RREPLACES_${PN} += "vice-3.2"
-RCONFLICTS_${PN} += "vice-3.2"
+RREPLACES:${PN} += "vice-3.2"
+RCONFLICTS:${PN} += "vice-3.2"
diff --git a/recipes-emulators/z80/cass80.bb b/recipes-emulators/z80/cass80.bb
index b467325..5756377 100644
--- a/recipes-emulators/z80/cass80.bb
+++ b/recipes-emulators/z80/cass80.bb
@@ -12,7 +12,7 @@ inherit qmake5
 
 DEPENDS = "qtbase"
 
-do_install_append() {
+do_install:append() {
     install -d ${D}${bindir}
     mv ${D}/opt/cass80/bin/cass80 ${D}${bindir}
     rm -r ${D}/opt
diff --git a/recipes-emulators/z80/z80_git.bb b/recipes-emulators/z80/z80_git.bb
index bffc53c..70247fa 100644
--- a/recipes-emulators/z80/z80_git.bb
+++ b/recipes-emulators/z80/z80_git.bb
@@ -46,4 +46,4 @@ do_install() {
 	install -m 0644 ${WORKDIR}/*.desktop ${D}/${datadir}/applications
 }
 
-FILES_${PN} += "${datadir}/cgenie ${datadir}/trs80"
+FILES:${PN} += "${datadir}/cgenie ${datadir}/trs80"
diff --git a/recipes-games/doomretro/doomretro.bb b/recipes-games/doomretro/doomretro.bb
index b902186..1632d59 100644
--- a/recipes-games/doomretro/doomretro.bb
+++ b/recipes-games/doomretro/doomretro.bb
@@ -17,7 +17,7 @@ SRCREV = "2655445b7a82643568bd58192185b25a864e5380"
 PV = "3.5.10"
 S = "${WORKDIR}/git"
 
-do_install_append() {
+do_install:append() {
     install -d ${D}${datadir}/applications
     install ${WORKDIR}/${BPN}.desktop ${D}${datadir}/applications
 
diff --git a/recipes-games/dxx-rebirth/d1x-rebirth_git.bb b/recipes-games/dxx-rebirth/d1x-rebirth_git.bb
index 5495cd5..0554194 100644
--- a/recipes-games/dxx-rebirth/d1x-rebirth_git.bb
+++ b/recipes-games/dxx-rebirth/d1x-rebirth_git.bb
@@ -53,4 +53,4 @@ do_install() {
     install ${WORKDIR}/descent.hog ${WORKDIR}/descent.pig ${WORKDIR}/d1xr-sc55-music.dxa ${D}${datadir}/${BPN}
 }
 
-RRECOMMENDS_${PN} = "tremor"
+RRECOMMENDS:${PN} = "tremor"
diff --git a/recipes-games/opentyrian/opentyrian.bb b/recipes-games/opentyrian/opentyrian.bb
index 4309289..3a95e99 100644
--- a/recipes-games/opentyrian/opentyrian.bb
+++ b/recipes-games/opentyrian/opentyrian.bb
@@ -45,4 +45,4 @@ do_install() {
     find ${D}${datadir}/games/tyrian -name '*.tfp' -exec rm -f {} \; 
 }
 
-FILES_${PN} += "${datadir}/games"
+FILES:${PN} += "${datadir}/games"
diff --git a/recipes-support/packagegroups/meta-retro-world.bb b/recipes-support/packagegroups/meta-retro-world.bb
index c1a7e26..d447366 100644
--- a/recipes-support/packagegroups/meta-retro-world.bb
+++ b/recipes-support/packagegroups/meta-retro-world.bb
@@ -4,7 +4,7 @@ LIC_FILES_CHKSUM = "file://${COMMON_LICENSE_DIR}/MIT;md5=0835ade698e0bcf8506ecda
 
 inherit packagegroup
 
-RDEPENDS_${PN} = " \
+RDEPENDS:${PN} = " \
     midori \
     \
     dosbox dosbox-staging dosbox-x \
diff --git a/recipes-support/portmidi/portmidi_217.bb b/recipes-support/portmidi/portmidi_217.bb
index 44f47a1..8b46cb8 100644
--- a/recipes-support/portmidi/portmidi_217.bb
+++ b/recipes-support/portmidi/portmidi_217.bb
@@ -29,7 +29,7 @@ EXTRA_OECMAKE += " \
     -DCMAKE_RUNTIME_OUTPUT_DIRECTORY=Release \
 "
 
-do_install_append() {
+do_install:append() {
     ln -s libportmidi.so.0. "${D}/${libdir}/libporttime.so"
     ln -s libportmidi.so.0. "${D}/${libdir}/libporttime.so.0"
     ln -s libportmidi.so.0. "${D}/${libdir}/libporttime.so.0."