diff --git a/poky/meta/conf/distro/include/lto.inc b/poky/meta/conf/distro/include/lto.inc
new file mode 100644
index 0000000..20895ad
--- /dev/null
+++ b/poky/meta/conf/distro/include/lto.inc
@@ -0,0 +1,49 @@
+# To enable LTO, add following in local.conf
+# require conf/distro/include/lto.inc
+# DISTRO_FEATURES_append = " lto"
+#
+
+# Disable LTO for following packages
+LTO_pn-glibc = ""
+LTO_pn-gcc-runtime = ""
+LTO_pn-libgcc-initial = ""
+LTO_pn-libgcc = ""
+LTO_pn-libaio = ""
+LTO_pn-libpam = ""
+LTO_pn-elfutils = ""
+LTO_pn-perl = ""
+LTO_pn-busybox = ""
+LTO_pn-libxcrypt = ""
+LTO_pn-curl = ""
+LTO_pn-libcap = ""
+LTO_pn-libproxy = ""
+LTO_pn-libbsd = ""
+LTO_pn-perf = ""
+# webkit is not linking properly with LTO, disable until next time
+LTO_pn-webkitgtk = ""
+LTO_pn-xserver-xorg = ""
+
+# Custom LTO flags
+# disable partitioning/streaming algorithm since its uses ASM
+# constructs not compatible with lto
+LTOEXTRA_pn-alsa-lib = "-flto-partition=none"
+
+LTOEXTRA ?= ""
+
+# Override it for additional or different options if needed e.g.
+# with clang thin-lto might be better for compile speed
+#
+# ffat-lto-objects
+# object files that contain both the intermediate
+# language and the object code. This makes them
+# usable for both LTO linking and normal linking
+#
+# -fuse-linker-plugin
+# ensures that libraries participate in LTO by supplying intermediate
+# code from .a files to linker
+LTO ?= "-flto -ffat-lto-objects -fuse-linker-plugin ${LTOEXTRA}"
+
+SELECTED_OPTIMIZATION_append = "${@bb.utils.contains('DISTRO_FEATURES', 'lto', ' ${LTO}', '', d)}"
+TARGET_LDFLAGS_append_class-target = "${@bb.utils.contains('DISTRO_FEATURES', 'lto', ' ${LTO}', '', d)}"
+
+SELECTED_OPTIMIZATION[vardeps] += "LTO LTOEXTRA"
diff --git a/poky/meta/conf/distro/include/maintainers.inc b/poky/meta/conf/distro/include/maintainers.inc
index 7935f96..e9c69b2 100644
--- a/poky/meta/conf/distro/include/maintainers.inc
+++ b/poky/meta/conf/distro/include/maintainers.inc
@@ -213,6 +213,7 @@
 RECIPE_MAINTAINER_pn-glibc-testsuite = "Khem Raj <raj.khem@gmail.com>"
 RECIPE_MAINTAINER_pn-glide = "Otavio Salvador <otavio.salvador@ossystems.com.br>"
 RECIPE_MAINTAINER_pn-gmp = "Khem Raj <raj.khem@gmail.com>"
+RECIPE_MAINTAINER_pn-glslang = "Jose Quaresma <quaresma.jose@gmail.com>"
 RECIPE_MAINTAINER_pn-gnome-desktop-testing = "Ross Burton <ross.burton@arm.com>"
 RECIPE_MAINTAINER_pn-gnu-config = "Robert Yang <liezhi.yang@windriver.com>"
 RECIPE_MAINTAINER_pn-gnu-efi = "Yi Zhao <yi.zhao@windriver.com>"
@@ -237,8 +238,8 @@
 RECIPE_MAINTAINER_pn-grub-bootconf = "Anuj Mittal <anuj.mittal@intel.com>"
 RECIPE_MAINTAINER_pn-grub-efi = "Anuj Mittal <anuj.mittal@intel.com>"
 RECIPE_MAINTAINER_pn-gsettings-desktop-schemas = "Anuj Mittal <anuj.mittal@intel.com>"
+RECIPE_MAINTAINER_pn-gst-devtools = "Anuj Mittal <anuj.mittal@intel.com>"
 RECIPE_MAINTAINER_pn-gst-examples = "Anuj Mittal <anuj.mittal@intel.com>"
-RECIPE_MAINTAINER_pn-gst-validate = "Anuj Mittal <anuj.mittal@intel.com>"
 RECIPE_MAINTAINER_pn-gstreamer1.0 = "Anuj Mittal <anuj.mittal@intel.com>"
 RECIPE_MAINTAINER_pn-gstreamer1.0-libav = "Anuj Mittal <anuj.mittal@intel.com>"
 RECIPE_MAINTAINER_pn-gstreamer1.0-omx = "Anuj Mittal <anuj.mittal@intel.com>"
@@ -367,6 +368,7 @@
 RECIPE_MAINTAINER_pn-libpcre2 = "Armin Kuster <akuster808@gmail.com>"
 RECIPE_MAINTAINER_pn-libpipeline = "Wang Mingyu <wangmy@cn.fujitsu.com>"
 RECIPE_MAINTAINER_pn-libpng = "Anuj Mittal <anuj.mittal@intel.com>"
+RECIPE_MAINTAINER_pn-libportal = "Alexander Kanavin <alex.kanavin@gmail.com>"
 RECIPE_MAINTAINER_pn-libproxy = "Anuj Mittal <anuj.mittal@intel.com>"
 RECIPE_MAINTAINER_pn-libpthread-stubs = "Alexander Kanavin <alex.kanavin@gmail.com>"
 RECIPE_MAINTAINER_pn-libpsl = "Anuj Mittal <anuj.mittal@intel.com>"
@@ -532,6 +534,7 @@
 RECIPE_MAINTAINER_pn-ninja = "Khem Raj <raj.khem@gmail.com>"
 RECIPE_MAINTAINER_pn-npth = "Alexander Kanavin <alex.kanavin@gmail.com>"
 RECIPE_MAINTAINER_pn-nss-myhostname = "Anuj Mittal <anuj.mittal@intel.com>"
+RECIPE_MAINTAINER_pn-numactl = "Richard Purdie <richard.purdie@linuxfoundation.org>"
 RECIPE_MAINTAINER_pn-ofono = "Ross Burton <ross.burton@arm.com>"
 RECIPE_MAINTAINER_pn-opensbi = "Alistair Francis <alistair.francis@wdc.com>"
 RECIPE_MAINTAINER_pn-openssh = "Armin Kuster <akuster808@gmail.com>"
@@ -579,6 +582,8 @@
 RECIPE_MAINTAINER_pn-puzzles = "Anuj Mittal <anuj.mittal@intel.com>"
 RECIPE_MAINTAINER_pn-python3 = "Oleksandr Kravchuk <open.source@oleksandr-kravchuk.com>"
 RECIPE_MAINTAINER_pn-python3-async = "Oleksandr Kravchuk <open.source@oleksandr-kravchuk.com>"
+RECIPE_MAINTAINER_pn-python3-atomicwrites = "Tim Orling <timothy.t.orling@linux.intel.com>"
+RECIPE_MAINTAINER_pn-python3-attrs = "Tim Orling <timothy.t.orling@linux.intel.com>"
 RECIPE_MAINTAINER_pn-python3-cython = "Oleksandr Kravchuk <open.source@oleksandr-kravchuk.com>"
 RECIPE_MAINTAINER_pn-python3-dbus = "Zang Ruochen <zangrc.fnst@cn.fujitsu.com>"
 RECIPE_MAINTAINER_pn-python3-dbusmock = "Oleksandr Kravchuk <open.source@oleksandr-kravchuk.com>"
@@ -588,28 +593,42 @@
 RECIPE_MAINTAINER_pn-python3-extras = "Oleksandr Kravchuk <open.source@oleksandr-kravchuk.com>"
 RECIPE_MAINTAINER_pn-python3-git = "Oleksandr Kravchuk <open.source@oleksandr-kravchuk.com>"
 RECIPE_MAINTAINER_pn-python3-gitdb = "Oleksandr Kravchuk <open.source@oleksandr-kravchuk.com>"
+RECIPE_MAINTAINER_pn-python3-hypothesis = "Tim Orling <timothy.t.orling@linux.intel.com>"
+RECIPE_MAINTAINER_pn-python3-importlib-metadata = "Tim Orling <timothy.t.orling@linux.intel.com>"
+RECIPE_MAINTAINER_pn-python3-iniconfig = "Tim Orling <timothy.t.orling@linux.intel.com>"
 RECIPE_MAINTAINER_pn-python3-iniparse = "Oleksandr Kravchuk <open.source@oleksandr-kravchuk.com>"
 RECIPE_MAINTAINER_pn-python3-jinja2 = "Richard Purdie <richard.purdie@linuxfoundation.org>"
 RECIPE_MAINTAINER_pn-python3-libarchive-c = "Joshua Watt <JPEWhacker@gmail.com>"
 RECIPE_MAINTAINER_pn-python3-magic = "Joshua Watt <JPEWhacker@gmail.com>"
 RECIPE_MAINTAINER_pn-python3-mako = "Oleksandr Kravchuk <open.source@oleksandr-kravchuk.com>"
 RECIPE_MAINTAINER_pn-python3-markupsafe = "Richard Purdie <richard.purdie@linuxfoundation.org>"
+RECIPE_MAINTAINER_pn-python3-more-itertools = "Tim Orling <timothy.t.orling@linux.intel.com>"
 RECIPE_MAINTAINER_pn-python3-nose = "Oleksandr Kravchuk <open.source@oleksandr-kravchuk.com>"
 RECIPE_MAINTAINER_pn-python3-numpy = "Oleksandr Kravchuk <open.source@oleksandr-kravchuk.com>"
+RECIPE_MAINTAINER_pn-python3-packaging = "Tim Orling <timothy.t.orling@linux.intel.com>"
+RECIPE_MAINTAINER_pn-python3-pathlib2 = "Tim Orling <timothy.t.orling@linux.intel.com>"
 RECIPE_MAINTAINER_pn-python3-pbr = "Zang Ruochen <zangrc.fnst@cn.fujitsu.com>"
 RECIPE_MAINTAINER_pn-python3-pip = "Zang Ruochen <zangrc.fnst@cn.fujitsu.com>"
+RECIPE_MAINTAINER_pn-python3-pluggy = "Tim Orling <timothy.t.orling@linux.intel.com>"
+RECIPE_MAINTAINER_pn-python3-py = "Tim Orling <timothy.t.orling@linux.intel.com>"
 RECIPE_MAINTAINER_pn-python3-pycairo = "Zang Ruochen <zangrc.fnst@cn.fujitsu.com>"
 RECIPE_MAINTAINER_pn-python3-pyelftools = "Joshua Watt <JPEWhacker@gmail.com>"
 RECIPE_MAINTAINER_pn-python3-pygments = "Oleksandr Kravchuk <open.source@oleksandr-kravchuk.com>"
 RECIPE_MAINTAINER_pn-python3-pygobject = "Zang Ruochen <zangrc.fnst@cn.fujitsu.com>"
 RECIPE_MAINTAINER_pn-python3-pyparsing = "Oleksandr Kravchuk <open.source@oleksandr-kravchuk.com>"
+RECIPE_MAINTAINER_pn-python3-pytest = "Tim Orling <timothy.t.orling@linux.intel.com>"
 RECIPE_MAINTAINER_pn-python3-scons = "Tim Orling <timothy.t.orling@linux.intel.com>"
 RECIPE_MAINTAINER_pn-python3-scons-native = "Tim Orling <timothy.t.orling@linux.intel.com>"
 RECIPE_MAINTAINER_pn-python3-setuptools = "Oleksandr Kravchuk <open.source@oleksandr-kravchuk.com>"
+RECIPE_MAINTAINER_pn-python3-setuptools-scm = "Tim Orling <timothy.t.orling@linux.intel.com>"
 RECIPE_MAINTAINER_pn-python3-six = "Zang Ruochen <zangrc.fnst@cn.fujitsu.com>"
 RECIPE_MAINTAINER_pn-python3-smmap = "Oleksandr Kravchuk <open.source@oleksandr-kravchuk.com>"
+RECIPE_MAINTAINER_pn-python3-sortedcontainers = "Tim Orling <timothy.t.orling@linux.intel.com>"
 RECIPE_MAINTAINER_pn-python3-subunit = "Oleksandr Kravchuk <open.source@oleksandr-kravchuk.com>"
 RECIPE_MAINTAINER_pn-python3-testtools = "Oleksandr Kravchuk <open.source@oleksandr-kravchuk.com>"
+RECIPE_MAINTAINER_pn-python3-toml = "Tim Orling <timothy.t.orling@linux.intel.com>"
+RECIPE_MAINTAINER_pn-python3-wcwidth = "Tim Orling <timothy.t.orling@linux.intel.com>"
+RECIPE_MAINTAINER_pn-python3-zipp = "Tim Orling <timothy.t.orling@linux.intel.com>"
 RECIPE_MAINTAINER_pn-qemu = "Richard Purdie <richard.purdie@linuxfoundation.org>"
 RECIPE_MAINTAINER_pn-qemu-helper-native = "Richard Purdie <richard.purdie@linuxfoundation.org>"
 RECIPE_MAINTAINER_pn-qemu-native = "Richard Purdie <richard.purdie@linuxfoundation.org>"
@@ -641,6 +660,7 @@
 RECIPE_MAINTAINER_pn-shadow = "Chen Qi <Qi.Chen@windriver.com>"
 RECIPE_MAINTAINER_pn-shadow-securetty = "Chen Qi <Qi.Chen@windriver.com>"
 RECIPE_MAINTAINER_pn-shadow-sysroot = "Chen Qi <Qi.Chen@windriver.com>"
+RECIPE_MAINTAINER_pn-shaderc = "Jose Quaresma <quaresma.jose@gmail.com>"
 RECIPE_MAINTAINER_pn-shared-mime-info = "Anuj Mittal <anuj.mittal@intel.com>"
 RECIPE_MAINTAINER_pn-shutdown-desktop = "Alexander Kanavin <alex.kanavin@gmail.com>"
 RECIPE_MAINTAINER_pn-signing-keys = "Richard Purdie <richard.purdie@linuxfoundation.org>"
@@ -648,6 +668,7 @@
 RECIPE_MAINTAINER_pn-socat = "Hongxu Jia <hongxu.jia@windriver.com>"
 RECIPE_MAINTAINER_pn-speex = "Tanu Kaskinen <tanuk@iki.fi>"
 RECIPE_MAINTAINER_pn-speexdsp = "Tanu Kaskinen <tanuk@iki.fi>"
+RECIPE_MAINTAINER_pn-spirv-tools = "Jose Quaresma <quaresma.jose@gmail.com>"
 RECIPE_MAINTAINER_pn-sqlite3 = "Anuj Mittal <anuj.mittal@intel.com>"
 RECIPE_MAINTAINER_pn-squashfs-tools = "Robert Yang <liezhi.yang@windriver.com>"
 RECIPE_MAINTAINER_pn-ssh-pregen-hostkeys = "Richard Purdie <richard.purdie@linuxfoundation.org>"
@@ -707,15 +728,16 @@
 RECIPE_MAINTAINER_pn-virglrenderer = "Alexander Kanavin <alex.kanavin@gmail.com>"
 RECIPE_MAINTAINER_pn-volatile-binds = "Chen Qi <Qi.Chen@windriver.com>"
 RECIPE_MAINTAINER_pn-vte = "Anuj Mittal <anuj.mittal@intel.com>"
-RECIPE_MAINTAINER_pn-vulkan-demos = "Ross Burton <ross.burton@arm.com>"
 RECIPE_MAINTAINER_pn-vulkan-headers = "Anuj Mittal <anuj.mittal@intel.com>"
 RECIPE_MAINTAINER_pn-vulkan-loader = "Anuj Mittal <anuj.mittal@intel.com>"
+RECIPE_MAINTAINER_pn-vulkan-samples = "Ross Burton <ross.burton@arm.com>"
 RECIPE_MAINTAINER_pn-vulkan-tools = "Anuj Mittal <anuj.mittal@intel.com>"
 RECIPE_MAINTAINER_pn-waffle = "Ross Burton <ross.burton@arm.com>"
 RECIPE_MAINTAINER_pn-watchdog = "Alexander Kanavin <alex.kanavin@gmail.com>"
 RECIPE_MAINTAINER_pn-watchdog-config = "Alexander Kanavin <alex.kanavin@gmail.com>"
 RECIPE_MAINTAINER_pn-wayland = "Denys Dmytriyenko <denys@ti.com>"
 RECIPE_MAINTAINER_pn-wayland-protocols = "Denys Dmytriyenko <denys@ti.com>"
+RECIPE_MAINTAINER_pn-wayland-utils = "Denys Dmytriyenko <denys@ti.com>"
 RECIPE_MAINTAINER_pn-webkitgtk = "Alexander Kanavin <alex.kanavin@gmail.com>"
 RECIPE_MAINTAINER_pn-weston = "Denys Dmytriyenko <denys@ti.com>"
 RECIPE_MAINTAINER_pn-weston-init = "Denys Dmytriyenko <denys@ti.com>"
diff --git a/poky/meta/conf/distro/include/tcmode-default.inc b/poky/meta/conf/distro/include/tcmode-default.inc
index 50e8a20..75796a7 100644
--- a/poky/meta/conf/distro/include/tcmode-default.inc
+++ b/poky/meta/conf/distro/include/tcmode-default.inc
@@ -19,7 +19,7 @@
 GCCVERSION ?= "10.%"
 SDKGCCVERSION ?= "${GCCVERSION}"
 BINUVERSION ?= "2.35%"
-GDBVERSION ?= "9.%"
+GDBVERSION ?= "10.%"
 GLIBCVERSION ?= "2.32"
 LINUXLIBCVERSION ?= "5.8%"
 QEMUVERSION ?= "5.1%"