diff --git a/poky/meta/classes/insane.bbclass b/poky/meta/classes/insane.bbclass
index 7fc8f33..8b19f44 100644
--- a/poky/meta/classes/insane.bbclass
+++ b/poky/meta/classes/insane.bbclass
@@ -22,11 +22,9 @@
 
 # Elect whether a given type of error is a warning or error, they may
 # have been set by other files.
-WARN_QA ?= "ldflags useless-rpaths rpaths staticdev libdir xorg-driver-abi \
-            textrel already-stripped incompatible-license files-invalid \
-            installed-vs-shipped compile-host-path install-host-path \
-            pn-overrides infodir build-deps src-uri-bad \
-            unknown-configure-option symlink-to-sysroot multilib \
+WARN_QA ?= " libdir xorg-driver-abi \
+            textrel incompatible-license files-invalid \
+            infodir build-deps src-uri-bad symlink-to-sysroot multilib \
             invalid-packageconfig host-user-contaminated uppercase-pn patch-fuzz \
             mime mime-xdg \
             "
@@ -36,6 +34,9 @@
             version-going-backwards expanded-d invalid-chars \
             license-checksum dev-elf file-rdeps configure-unsafe \
             configure-gettext perllocalpod shebang-size \
+            already-stripped installed-vs-shipped ldflags compile-host-path \
+            install-host-path pn-overrides unknown-configure-option \
+            useless-rpaths rpaths staticdev \
             "
 # Add usrmerge QA check based on distro feature
 ERROR_QA_append = "${@bb.utils.contains('DISTRO_FEATURES', 'usrmerge', ' usrmerge', '', d)}"
diff --git a/poky/meta/classes/kernel.bbclass b/poky/meta/classes/kernel.bbclass
index a724645..6846d60 100644
--- a/poky/meta/classes/kernel.bbclass
+++ b/poky/meta/classes/kernel.bbclass
@@ -691,7 +691,13 @@
 
 	if [ ${MODULE_TARBALL_DEPLOY} = "1" ] && (grep -q -i -e '^CONFIG_MODULES=y$' .config); then
 		mkdir -p ${D}${root_prefix}/lib
-		tar -cvzf $deployDir/modules-${MODULE_TARBALL_NAME}.tgz -C ${D}${root_prefix} lib
+		if [ -n "${SOURCE_DATE_EPOCH}" ]; then
+			TAR_ARGS="--sort=name --clamp-mtime --mtime=@${SOURCE_DATE_EPOCH}"
+		else
+			TAR_ARGS=""
+		fi
+		tar $TAR_ARGS -cv -C ${D}${root_prefix} lib | gzip -9n > $deployDir/modules-${MODULE_TARBALL_NAME}.tgz
+
 		ln -sf modules-${MODULE_TARBALL_NAME}.tgz $deployDir/modules-${MODULE_TARBALL_LINK_NAME}.tgz
 	fi
 
diff --git a/poky/meta/classes/meson.bbclass b/poky/meta/classes/meson.bbclass
index 06034e8..e962803 100644
--- a/poky/meta/classes/meson.bbclass
+++ b/poky/meta/classes/meson.bbclass
@@ -164,7 +164,8 @@
 python meson_do_qa_configure() {
     import re
     warn_re = re.compile(r"^WARNING: Cross property (.+) is using default value (.+)$", re.MULTILINE)
-    log = open(d.expand("${B}/meson-logs/meson-log.txt")).read()
+    with open(d.expand("${B}/meson-logs/meson-log.txt")) as logfile:
+        log = logfile.read()
     for (prop, value) in warn_re.findall(log):
         bb.warn("Meson cross property %s used without explicit assignment, defaulting to %s" % (prop, value))
 }
diff --git a/poky/meta/classes/populate_sdk_base.bbclass b/poky/meta/classes/populate_sdk_base.bbclass
index f85c3b9..990505e 100644
--- a/poky/meta/classes/populate_sdk_base.bbclass
+++ b/poky/meta/classes/populate_sdk_base.bbclass
@@ -58,7 +58,7 @@
        d.setVar('SDK_ARCHIVE_DEPENDS', 'zip-native')
        # SDK_ARCHIVE_CMD used to generate archived sdk ${TOOLCHAIN_OUTPUTNAME}.${SDK_ARCHIVE_TYPE} from input dir ${SDK_OUTPUT}/${SDKPATH} to output dir ${SDKDEPLOYDIR}
        # recommand to cd into input dir first to avoid archive with buildpath
-       d.setVar('SDK_ARCHIVE_CMD', 'cd ${SDK_OUTPUT}/${SDKPATH}; zip -r ${SDKDEPLOYDIR}/${TOOLCHAIN_OUTPUTNAME}.${SDK_ARCHIVE_TYPE} .')
+       d.setVar('SDK_ARCHIVE_CMD', 'cd ${SDK_OUTPUT}/${SDKPATH}; zip -r -y ${SDKDEPLOYDIR}/${TOOLCHAIN_OUTPUTNAME}.${SDK_ARCHIVE_TYPE} .')
     else:
        d.setVar('SDK_ARCHIVE_DEPENDS', 'xz-native')
        d.setVar('SDK_ARCHIVE_CMD', 'cd ${SDK_OUTPUT}/${SDKPATH}; tar ${SDKTAROPTS} -cf - . | xz ${SDK_XZ_OPTIONS} > ${SDKDEPLOYDIR}/${TOOLCHAIN_OUTPUTNAME}.${SDK_ARCHIVE_TYPE}')
diff --git a/poky/meta/classes/pypi.bbclass b/poky/meta/classes/pypi.bbclass
index e5d7ab3..87b4c85 100644
--- a/poky/meta/classes/pypi.bbclass
+++ b/poky/meta/classes/pypi.bbclass
@@ -22,5 +22,5 @@
 SRC_URI += "${PYPI_SRC_URI}"
 S = "${WORKDIR}/${PYPI_PACKAGE}-${PV}"
 
-UPSTREAM_CHECK_URI ?= "https://pypi.python.org/pypi/${PYPI_PACKAGE}/"
-UPSTREAM_CHECK_REGEX ?= "/${PYPI_PACKAGE}/(?P<pver>(\d+[\.\-_]*)+)"
+UPSTREAM_CHECK_URI ?= "https://pypi.org/project/${PYPI_PACKAGE}/"
+UPSTREAM_CHECK_REGEX ?= "/${PYPI_PACKAGE}/(?P<pver>(\d+[\.\-_]*)+)/"
diff --git a/poky/meta/classes/sstate.bbclass b/poky/meta/classes/sstate.bbclass
index c73c3b4..aa9c30b 100644
--- a/poky/meta/classes/sstate.bbclass
+++ b/poky/meta/classes/sstate.bbclass
@@ -690,7 +690,10 @@
     if not os.path.exists(siginfo):
         bb.siggen.dump_this_task(siginfo, d)
     else:
-        os.utime(siginfo, None)
+        try:
+            os.utime(siginfo, None)
+        except PermissionError:
+            pass
 
     return
 
@@ -776,7 +779,7 @@
 sstate_create_package () {
 	# Exit early if it already exists
 	if [ -e ${SSTATE_PKG} ]; then
-		touch ${SSTATE_PKG}
+		[ ! -w ${SSTATE_PKG} ] || touch ${SSTATE_PKG}
 		return
 	fi
 
@@ -810,7 +813,7 @@
 	else
 		rm $TFILE
 	fi
-	touch ${SSTATE_PKG}
+	[ ! -w ${SSTATE_PKG} ] || touch ${SSTATE_PKG}
 }
 
 python sstate_sign_package () {
@@ -1122,7 +1125,11 @@
         if not os.path.exists(siginfo):
             bb.siggen.dump_this_task(siginfo, d)
         else:
-            os.utime(siginfo, None)
+            try:
+                os.utime(siginfo, None)
+            except PermissionError:
+                pass
+
 }
 
 SSTATE_PRUNE_OBSOLETEWORKDIR ?= "1"