diff --git a/import-layers/yocto-poky/meta/classes/kernel-arch.bbclass b/import-layers/yocto-poky/meta/classes/kernel-arch.bbclass
index d036fcf..c7b33d9 100644
--- a/import-layers/yocto-poky/meta/classes/kernel-arch.bbclass
+++ b/import-layers/yocto-poky/meta/classes/kernel-arch.bbclass
@@ -25,6 +25,8 @@
     elif re.match('armeb$', a):                 return 'arm'
     elif re.match('aarch64$', a):               return 'arm64'
     elif re.match('aarch64_be$', a):            return 'arm64'
+    elif re.match('aarch64_ilp32$', a):         return 'arm64'
+    elif re.match('aarch64_be_ilp32$', a):      return 'arm64'
     elif re.match('mips(isa|)(32|64|)(r6|)(el|)$', a):      return 'mips'
     elif re.match('p(pc|owerpc)(|64)', a):      return 'powerpc'
     elif re.match('sh(3|4)$', a):               return 'sh'
diff --git a/import-layers/yocto-poky/meta/classes/populate_sdk_base.bbclass b/import-layers/yocto-poky/meta/classes/populate_sdk_base.bbclass
index 424c63c..30fcefc 100644
--- a/import-layers/yocto-poky/meta/classes/populate_sdk_base.bbclass
+++ b/import-layers/yocto-poky/meta/classes/populate_sdk_base.bbclass
@@ -20,6 +20,9 @@
 SDKIMAGE_FEATURES ??= "dev-pkgs dbg-pkgs ${@bb.utils.contains('DISTRO_FEATURES', 'api-documentation', 'doc-pkgs', '', d)}"
 SDKIMAGE_INSTALL_COMPLEMENTARY = '${@complementary_globs("SDKIMAGE_FEATURES", d)}'
 
+# List of locales to install, or "all" for all of them, or unset for none.
+SDKIMAGE_LINGUAS ?= "all"
+
 inherit rootfs_${IMAGE_PKGTYPE}
 
 SDK_DIR = "${WORKDIR}/sdk"
@@ -39,7 +42,8 @@
 TOOLCHAIN_OUTPUTNAME ?= "${SDK_NAME}-toolchain-${SDK_VERSION}"
 
 SDK_RDEPENDS = "${TOOLCHAIN_TARGET_TASK} ${TOOLCHAIN_HOST_TASK}"
-SDK_DEPENDS = "virtual/fakeroot-native pixz-native"
+SDK_DEPENDS = "virtual/fakeroot-native pixz-native cross-localedef-native"
+SDK_DEPENDS_append_libc-glibc = " nativesdk-glibc-locale"
 
 # We want the MULTIARCH_TARGET_SYS to point to the TUNE_PKGARCH, not PACKAGE_ARCH as it
 # could be set to the MACHINE_ARCH
diff --git a/import-layers/yocto-poky/meta/classes/populate_sdk_ext.bbclass b/import-layers/yocto-poky/meta/classes/populate_sdk_ext.bbclass
index c79ddbb..2dd2123 100644
--- a/import-layers/yocto-poky/meta/classes/populate_sdk_ext.bbclass
+++ b/import-layers/yocto-poky/meta/classes/populate_sdk_ext.bbclass
@@ -657,7 +657,8 @@
     d.setVar('SDK_REQUIRED_UTILITIES', get_sdk_required_utilities(buildtools_fn, d))
     d.setVar('SDK_BUILDTOOLS_INSTALLER', buildtools_fn)
     d.setVar('SDKDEPLOYDIR', '${SDKEXTDEPLOYDIR}')
-
+    # ESDKs have a libc from the buildtools so ensure we don't ship linguas twice
+    d.delVar('SDKIMAGE_LINGUAS')
     populate_sdk_common(d)
 }
 
diff --git a/import-layers/yocto-poky/meta/classes/uninative.bbclass b/import-layers/yocto-poky/meta/classes/uninative.bbclass
index 670efa9..1723364 100644
--- a/import-layers/yocto-poky/meta/classes/uninative.bbclass
+++ b/import-layers/yocto-poky/meta/classes/uninative.bbclass
@@ -77,6 +77,11 @@
                 except FileExistsError:
                     pass
 
+        # ldd output is "ldd (Ubuntu GLIBC 2.23-0ubuntu10) 2.23", extract last option from first line
+        glibcver = subprocess.check_output(["ldd", "--version"]).decode('utf-8').split('\n')[0].split()[-1]
+        if bb.utils.vercmp_string(d.getVar("UNINATIVE_MAXGLIBCVERSION"), glibcver) < 0:
+            raise RuntimeError("Your host glibc verson (%s) is newer than that in uninative (%s). Disabling uninative so that sstate is not corrupted." % (glibcver, d.getVar("UNINATIVE_MAXGLIBCVERSION")))
+
         cmd = d.expand("\
 mkdir -p ${UNINATIVE_STAGING_DIR}-uninative; \
 cd ${UNINATIVE_STAGING_DIR}-uninative; \
@@ -94,6 +99,8 @@
 
         enable_uninative(d)
 
+    except RuntimeError as e:
+        bb.warn(str(e))
     except bb.fetch2.BBFetchException as exc:
         bb.warn("Disabling uninative as unable to fetch uninative tarball: %s" % str(exc))
         bb.warn("To build your own uninative loader, please bitbake uninative-tarball and set UNINATIVE_TARBALL appropriately.")
diff --git a/import-layers/yocto-poky/meta/classes/update-rc.d.bbclass b/import-layers/yocto-poky/meta/classes/update-rc.d.bbclass
index e1e0e04..06e3b21 100644
--- a/import-layers/yocto-poky/meta/classes/update-rc.d.bbclass
+++ b/import-layers/yocto-poky/meta/classes/update-rc.d.bbclass
@@ -91,7 +91,8 @@
             return
         statement = "grep -q -w '/etc/init.d/functions' %s" % path
         if subprocess.call(statement, shell=True) == 0:
-            d.appendVar('RDEPENDS_' + pkg, ' initd-functions')
+            mlprefix = d.getVar('MLPREFIX') or ""
+            d.appendVar('RDEPENDS_' + pkg, ' %sinitd-functions' % (mlprefix))
 
     def update_rcd_package(pkg):
         bb.debug(1, 'adding update-rc.d calls to preinst/postinst/prerm/postrm for %s' % pkg)