diff --git a/poky/meta/classes/insane.bbclass b/poky/meta/classes/insane.bbclass
index 0deebdb..0bc6492 100644
--- a/poky/meta/classes/insane.bbclass
+++ b/poky/meta/classes/insane.bbclass
@@ -1117,6 +1117,7 @@
 # binutils is used for most checks, so need to set as dependency
 # POPULATESYSROOTDEPS is defined in staging class.
 do_package_qa[depends] += "${POPULATESYSROOTDEPS}"
+do_package_qa[vardeps] = "${@bb.utils.contains('ERROR_QA', 'empty-dirs', 'QA_EMPTY_DIRS', '', d)}"
 do_package_qa[vardepsexclude] = "BB_TASKDEPDATA"
 do_package_qa[rdeptask] = "do_packagedata"
 addtask do_package_qa after do_packagedata do_package before do_build
@@ -1182,9 +1183,9 @@
             msg += "    devtool modify %s\n" % d.getVar('PN')
             msg += "    devtool finish --force-patch-refresh %s <layer_path>\n\n" % d.getVar('PN')
             msg += "Don't forget to review changes done by devtool!\n"
-            if 'patch-fuzz' in d.getVar('ERROR_QA'):
+            if bb.utils.filter('ERROR_QA', 'patch-fuzz', d):
                 bb.error(msg)
-            elif 'patch-fuzz' in d.getVar('WARN_QA'):
+            elif bb.utils.filter('WARN_QA', 'patch-fuzz', d):
                 bb.warn(msg)
             msg = "Patch log indicates that patches do not apply cleanly."
             oe.qa.handle_error("patch-fuzz", msg, d)
diff --git a/poky/meta/classes/kernel.bbclass b/poky/meta/classes/kernel.bbclass
index b3bbd3b..7ca847f 100644
--- a/poky/meta/classes/kernel.bbclass
+++ b/poky/meta/classes/kernel.bbclass
@@ -447,7 +447,6 @@
 	# Install various kernel output (zImage, map file, config, module support files)
 	#
 	install -d ${D}/${KERNEL_IMAGEDEST}
-	install -d ${D}/boot
 
 	#
 	# When including an initramfs bundle inside a FIT image, the fitImage is created after the install task
@@ -465,10 +464,10 @@
 		fi
 	done
 
-	install -m 0644 System.map ${D}/boot/System.map-${KERNEL_VERSION}
-	install -m 0644 .config ${D}/boot/config-${KERNEL_VERSION}
-	install -m 0644 vmlinux ${D}/boot/vmlinux-${KERNEL_VERSION}
-	[ -e Module.symvers ] && install -m 0644 Module.symvers ${D}/boot/Module.symvers-${KERNEL_VERSION}
+	install -m 0644 System.map ${D}/${KERNEL_IMAGEDEST}/System.map-${KERNEL_VERSION}
+	install -m 0644 .config ${D}/${KERNEL_IMAGEDEST}/config-${KERNEL_VERSION}
+	install -m 0644 vmlinux ${D}/${KERNEL_IMAGEDEST}/vmlinux-${KERNEL_VERSION}
+	[ -e Module.symvers ] && install -m 0644 Module.symvers ${D}/${KERNEL_IMAGEDEST}/Module.symvers-${KERNEL_VERSION}
 	install -d ${D}${sysconfdir}/modules-load.d
 	install -d ${D}${sysconfdir}/modprobe.d
 }
@@ -649,8 +648,8 @@
 FILES:${PN} = ""
 FILES:${KERNEL_PACKAGE_NAME}-base = "${nonarch_base_libdir}/modules/${KERNEL_VERSION}/modules.order ${nonarch_base_libdir}/modules/${KERNEL_VERSION}/modules.builtin ${nonarch_base_libdir}/modules/${KERNEL_VERSION}/modules.builtin.modinfo"
 FILES:${KERNEL_PACKAGE_NAME}-image = ""
-FILES:${KERNEL_PACKAGE_NAME}-dev = "/boot/System.map* /boot/Module.symvers* /boot/config* ${KERNEL_SRC_PATH} ${nonarch_base_libdir}/modules/${KERNEL_VERSION}/build"
-FILES:${KERNEL_PACKAGE_NAME}-vmlinux = "/boot/vmlinux-${KERNEL_VERSION_NAME}"
+FILES:${KERNEL_PACKAGE_NAME}-dev = "/${KERNEL_IMAGEDEST}/System.map* /${KERNEL_IMAGEDEST}/Module.symvers* /${KERNEL_IMAGEDEST}/config* ${KERNEL_SRC_PATH} ${nonarch_base_libdir}/modules/${KERNEL_VERSION}/build"
+FILES:${KERNEL_PACKAGE_NAME}-vmlinux = "/${KERNEL_IMAGEDEST}/vmlinux-${KERNEL_VERSION_NAME}"
 FILES:${KERNEL_PACKAGE_NAME}-modules = ""
 RDEPENDS:${KERNEL_PACKAGE_NAME} = "${KERNEL_PACKAGE_NAME}-base (= ${EXTENDPKGV})"
 # Allow machines to override this dependency if kernel image files are
@@ -712,7 +711,7 @@
     extra_sections = d.getVar('KERNEL_IMAGE_STRIP_EXTRA_SECTIONS')
     kernel_image = d.getVar('B') + "/" + d.getVar('KERNEL_OUTPUT_DIR') + "/vmlinux"
 
-    if (extra_sections and kernel_image.find('boot/vmlinux') != -1):
+    if (extra_sections and kernel_image.find('${KERNEL_IMAGEDEST}/vmlinux') != -1):
         kernel_image_stripped = kernel_image + ".stripped"
         shutil.copy2(kernel_image, kernel_image_stripped)
         oe.package.runstrip((kernel_image_stripped, 8, strip, extra_sections))
diff --git a/poky/meta/classes/mirrors.bbclass b/poky/meta/classes/mirrors.bbclass
index 37dc449..ffdccff 100644
--- a/poky/meta/classes/mirrors.bbclass
+++ b/poky/meta/classes/mirrors.bbclass
@@ -76,3 +76,14 @@
 git://.*/.*                   git://HOST/PATH;protocol=https \
 git://.*/.*                   git://HOST/git/PATH;protocol=https \
 "
+
+# Switch glibc and binutils recipes to use shallow clones as they're large and this
+# improves user experience whilst allowing the flexibility of git urls in the recipes
+BB_GIT_SHALLOW:pn-binutils = "1"
+BB_GIT_SHALLOW:pn-binutils-cross-${TARGET_ARCH} = "1"
+BB_GIT_SHALLOW:pn-binutils-cross-canadian-${TRANSLATED_TARGET_ARCH} = "1"
+BB_GIT_SHALLOW:pn-binutils-cross-testsuite = "1"
+BB_GIT_SHALLOW:pn-binutils-crosssdk-${SDK_SYS} = "1"
+BB_GIT_SHALLOW:pn-glibc = "1"
+PREMIRRORS += "git://sourceware.org/git/glibc.git https://downloads.yoctoproject.org/mirror/sources/ \
+              git://sourceware.org/git/binutils-gdb.git https://downloads.yoctoproject.org/mirror/sources/"
diff --git a/poky/meta/classes/uboot-sign.bbclass b/poky/meta/classes/uboot-sign.bbclass
index 8d136e9..4ca8118 100644
--- a/poky/meta/classes/uboot-sign.bbclass
+++ b/poky/meta/classes/uboot-sign.bbclass
@@ -250,7 +250,7 @@
 					[ -n "${UBOOT_DTB_BINARY}" ]; then
 					install_helper
 				fi
-				if [ "${SPL_SIGN_ENABLE}" = "1" -a -n "${SPL_DTB_BINARY}" ]; then
+				if [ "${UBOOT_FITIMAGE_ENABLE}" = "1" -a -n "${SPL_DTB_BINARY}" ]; then
 					install_spl_helper
 				fi
 			done