diff --git a/meta-lxatac-software/conf/templates/default/local.conf.sample b/meta-lxatac-software/conf/templates/default/local.conf.sample
index 3d46faf5..70571d4a 100644
--- a/meta-lxatac-software/conf/templates/default/local.conf.sample
+++ b/meta-lxatac-software/conf/templates/default/local.conf.sample
@@ -2,9 +2,11 @@
 # This file is your local configuration file and is where all local user settings
 # are placed. The comments in this file give some guide to the options a new user
 # to the system might want to change but pretty much any configuration option can
-# be set in this file. More adventurous users can look at local.conf.extended
-# which contains other examples of configuration which can be placed in this file
-# but new users likely won't need any of them initially.
+# be set in this file. More adventurous users can look at
+# local.conf.sample.extended which contains other examples of configuration which
+# can be placed in this file but new users likely won't need any of them
+# initially. There's also site.conf.sample which contains examples of site specific
+# information such as proxy server addresses.
 #
 # Lines starting with the '#' character are commented out and in some cases the
 # default values are provided as comments to show people example syntax. Enabling
@@ -81,8 +83,8 @@ DISTRO ?= "tacos"
 #  - 'package_ipk' for ipk files are used by opkg (a debian style embedded package manager)
 #  - 'package_rpm' for rpm style packages
 # E.g.: PACKAGE_CLASSES ?= "package_rpm package_deb package_ipk"
-# We default to rpm:
-PACKAGE_CLASSES ?= "package_ipk"
+# OE-Core defaults to ipkg, whilst Poky defaults to rpm:
+# PACKAGE_CLASSES ?= "package_rpm"
 
 #
 # SDK target architecture
@@ -90,7 +92,7 @@ PACKAGE_CLASSES ?= "package_ipk"
 # This variable specifies the architecture to build SDK items for and means
 # you can build the SDK packages for architectures other than the machine you are
 # running the build on (i.e. building i686 packages on an x86_64 host).
-# Supported values are i686 and x86_64
+# Supported values are i686, x86_64, aarch64
 #SDKMACHINE ?= "i686"
 
 #
@@ -115,7 +117,8 @@ PACKAGE_CLASSES ?= "package_ipk"
 #  "debug-tweaks"   - make an image suitable for development
 #                     e.g. ssh root access has a blank password
 # There are other application targets that can be used here too, see
-# meta/classes/image.bbclass and meta/classes/core-image.bbclass for more details.
+# meta/classes-recipe/image.bbclass and
+# meta/classes-recipe/core-image.bbclass for more details.
 # We default to enabling the debugging tweaks.
 EXTRA_IMAGE_FEATURES ?= "debug-tweaks"
 
@@ -126,10 +129,6 @@ EXTRA_IMAGE_FEATURES ?= "debug-tweaks"
 # enable extra features. Some available options which can be included in this variable
 # are:
 #   - 'buildstats' collect build statistics
-#   - 'image-mklibs' to reduce shared library files size for an image
-#   - 'image-prelink' in order to prelink the filesystem image
-# NOTE: if listing mklibs & prelink both, then make sure mklibs is before prelink
-# NOTE: mklibs also needs to be explicitly enabled for a given image, see local.conf.extended
 USER_CLASSES ?= "buildstats"
 
 #
@@ -138,7 +137,7 @@ USER_CLASSES ?= "buildstats"
 # The build system can test booting virtual machine images under qemu (an emulator)
 # after any root filesystems are created and run tests against those images. It can also
 # run tests against any SDK that are built. To enable this uncomment these lines.
-# See classes/test{image,sdk}.bbclass for further details.
+# See meta/classes-recipe/test{image,sdk}.bbclass for further details.
 #IMAGE_CLASSES += "testimage testsdk"
 #TESTIMAGE_AUTO:qemuall = "1"
 
@@ -166,10 +165,10 @@ PATCHRESOLVE = "noop"
 #
 # Monitor the disk space during the build. If there is less that 1GB of space or less
 # than 100K inodes in any key build location (TMPDIR, DL_DIR, SSTATE_DIR), gracefully
-# shutdown the build. If there is less that 100MB or 1K inodes, perform a hard abort
+# shutdown the build. If there is less than 100MB or 1K inodes, perform a hard halt
 # of the build. The reason for this is that running completely out of space can corrupt
 # files and damages the build in ways which may not be easily recoverable.
-# It's necesary to monitor /tmp, if there is no space left the build will fail
+# It's necessary to monitor /tmp, if there is no space left the build will fail
 # with very exotic errors.
 BB_DISKMON_DIRS ??= "\
     STOPTASKS,${TMPDIR},1G,100K \
@@ -184,11 +183,11 @@ BB_DISKMON_DIRS ??= "\
 #
 # Shared-state files from other locations
 #
-# As mentioned above, shared state files are prebuilt cache data objects which can
+# As mentioned above, shared state files are prebuilt cache data objects which can be
 # used to accelerate build time. This variable can be used to configure the system
 # to search other mirror locations for these objects before it builds the data itself.
 #
-# This can be a filesystem directory, or a remote url such as http or ftp. These
+# This can be a filesystem directory, or a remote url such as https or ftp. These
 # would contain the sstate-cache results from previous builds (possibly from other
 # machines). This variable works like fetcher MIRRORS/PREMIRRORS and points to the
 # cache locations to check for the shared objects.
@@ -196,20 +195,28 @@ BB_DISKMON_DIRS ??= "\
 # at the end as shown in the examples below. This will be substituted with the
 # correct path within the directory structure.
 #SSTATE_MIRRORS ?= "\
-#file://.* http://someserver.tld/share/sstate/PATH;downloadfilename=PATH \n \
+#file://.* https://someserver.tld/share/sstate/PATH;downloadfilename=PATH \
 #file://.* file:///some/local/dir/sstate/PATH"
 
 #
 # Yocto Project SState Mirror
 #
 # The Yocto Project has prebuilt artefacts available for its releases, you can enable
-# use of these by uncommenting the following line. This will mean the build uses
+# use of these by uncommenting some of the following lines. This will mean the build uses
 # the network to check for artefacts at the start of builds, which does slow it down
-# equally, it will also speed up the builds by not having to build things if they are
+# initially but it will then speed up the builds by not having to build things if they are
 # present in the cache. It assumes you can download something faster than you can build it
 # which will depend on your network.
+# Note: For this to work you also need hash-equivalence passthrough to the matching server
+# There is a choice between our sstate server directly and a faster content delivery network
+# (CDN) kindly provided by JSDelivr, uncomment one of the SSTATE_MIRRORS lines, not both.
+# Using the CDN rather than the yoctoproject.org address is suggested/preferred.
 #
-#SSTATE_MIRRORS ?= "file://.* http://sstate.yoctoproject.org/2.5/PATH;downloadfilename=PATH"
+#BB_HASHSERVE_UPSTREAM = "hashserv.yocto.io:8687"
+#SSTATE_MIRRORS ?= "file://.* http://cdn.jsdelivr.net/yocto/sstate/all/PATH;downloadfilename=PATH"
+#
+###SSTATE_MIRRORS ?= "file://.* http://sstate.yoctoproject.org/all/PATH;downloadfilename=PATH"
+
 
 #
 # Qemu configuration