diff --git a/.github/workflows/ci.yml b/.github/workflows/ci.yml
index 7f4cf69f50..abc7191121 100644
--- a/.github/workflows/ci.yml
+++ b/.github/workflows/ci.yml
@@ -114,8 +114,8 @@ jobs:
       - name: Check License Changes
         run: git diff --exit-code -- LICENSE_DEPENDENCIES.md
 
-  debian:
-    name: debian
+  debbuild-debian11:
+    name: debbuild-debian11
     runs-on: ubuntu-22.04
     steps:
       - uses: actions/checkout@v2
@@ -130,7 +130,23 @@ jobs:
           GO_ARCH: linux-amd64
         run: ./scripts/ci-docker-run
 
-  ubuntu-2310:
+  debbuild-debian12:
+    name: debbuild-debian12
+    runs-on: ubuntu-22.04
+    steps:
+      - uses: actions/checkout@v2
+      # fetch tags as checkout@v2 doesn't do that by default
+      - run: git fetch --prune --unshallow --tags --force
+
+      - name: Build and test deb under docker
+        env:
+          OS_TYPE: debian
+          OS_VERSION: 12
+          # setting GO_ARCH speeds things by using go binaries instead of source
+          GO_ARCH: linux-amd64
+        run: ./scripts/ci-docker-run
+
+  debbuild-ubuntu23:
     name: debbuild-ubuntu23
     runs-on: ubuntu-22.04
     steps:
@@ -145,7 +161,7 @@ jobs:
           GO_ARCH: linux-amd64
         run: ./scripts/ci-docker-run
   
-  ubuntu-2404:
+  debbuild-ubuntu24:
     name: debbuild-ubuntu24
     runs-on: ubuntu-22.04
     steps:
@@ -161,8 +177,8 @@ jobs:
         run: ./scripts/ci-docker-run
 
   rpmbuild-rocky8:
-    runs-on: ubuntu-22.04
     name: rpmbuild-rocky8
+    runs-on: ubuntu-22.04
     steps:
       - uses: actions/checkout@v2
       # fetch tags as checkout@v2 doesn't do that by default
@@ -211,9 +227,16 @@ jobs:
           TEST_TYPE: unpriv
         run: ./scripts/ci-docker-run
 
+      - name: Install and test unprivileged for openSUSE tumbleweed
+        env:
+          OS_TYPE: opensuse/tumbleweed
+          OS_VERSION: latest
+          TEST_TYPE: unpriv
+        run: ./scripts/ci-docker-run
+
   rpmbuild-rocky9:
-    runs-on: ubuntu-22.04
     name: rpmbuild-rocky9
+    runs-on: ubuntu-22.04
     steps:
       - uses: actions/checkout@v2
       # fetch tags as checkout@v2 doesn't do that by default
@@ -240,6 +263,52 @@ jobs:
           TEST_TYPE: unpriv
         run: ./scripts/ci-docker-run
 
+  rpmbuild-opensuse-leap:
+    name: rpmbuild-opensuse-leap
+    runs-on: ubuntu-22.04
+    steps:
+      - uses: actions/checkout@v2
+      # fetch tags as checkout@v2 doesn't do that by default
+      - run: git fetch --prune --unshallow --tags --force
+
+      - name: Build and test rpm under docker
+        env:
+          OS_TYPE: opensuse/leap
+          OS_VERSION: latest
+          GO_ARCH: linux-amd64
+        run: ./scripts/ci-docker-run
+
+      - name: Install and test unprivileged for openSUSE leap
+        env:
+          OS_TYPE: opensuse/leap
+          OS_VERSION: latest
+          INS_OPTS: -o -d suse15
+          TEST_TYPE: unpriv
+        run: ./scripts/ci-docker-run
+
+  rpmbuild-opensuse-tumbleweed:
+    name: rpmbuild-opensuse-tumbleweed
+    runs-on: ubuntu-22.04
+    steps:
+      - uses: actions/checkout@v2
+      # fetch tags as checkout@v2 doesn't do that by default
+      - run: git fetch --prune --unshallow --tags --force
+
+      - name: Build and test rpm under docker
+        env:
+          OS_TYPE: opensuse/tumbleweed
+          OS_VERSION: latest
+          GO_ARCH: linux-amd64
+        run: ./scripts/ci-docker-run
+
+      - name: Install and test unprivileged for openSUSE tumbleweed
+        env:
+          OS_TYPE: opensuse/tumbleweed
+          OS_VERSION: latest
+          INS_OPTS: -o -d opensuse-tumbleweed
+          TEST_TYPE: unpriv
+        run: ./scripts/ci-docker-run
+
   short_unit_tests:
     name: short_unit_tests
     runs-on: ubuntu-22.04
diff --git a/CHANGELOG.md b/CHANGELOG.md
index 044c17b4bc..955a07b80a 100644
--- a/CHANGELOG.md
+++ b/CHANGELOG.md
@@ -17,7 +17,11 @@ For older changes see the [archived Singularity change log](https://github.com/a
   (`$HOME/.apptainer/docker-config.json`). The commands `pull`, `push`, `run`,
   `exec`, `shell` and `instance start` can now also be passed a `--authfile
   <path>` option, to read OCI registry credentials from this custom file.
-- Add support for libsubid
+- Add support for libsubid.
+- Expand the build instructions for squashfuse and apptainer packaging to
+  include the libraries needed for maximum support of compression algorithms
+  by squashfuse_ll.
+- Add automated tests for OpenSUSE Leap and Tumbleweed and Debian Bookworm.
 
 ## Changes for v1.3.x
 
diff --git a/INSTALL.md b/INSTALL.md
index 879cdd4801..b0b493e491 100644
--- a/INSTALL.md
+++ b/INSTALL.md
@@ -36,7 +36,7 @@ Including for libsubid support (requires at least Ubuntu Noble or Debian Bookwor
 sudo apt-get install -y libsubid-dev
 ```
 
-On RHEL or its derivatives:
+On RHEL or its derivatives or Fedora:
 
 ```sh
 # Install basic tools for compiling
@@ -52,11 +52,11 @@ sudo dnf install -y \
     wget git
 ```
 
-Including for libsubid support, use --enablerepo=devel for el8 and el9 but not
+For including libsubid support, use --enablerepo=devel for el8 and el9 but not
 for fedora:
 
 ```sh
-sudo dnf --enablerepo=devel install shadow-utils-subid-devel
+sudo dnf --enablerepo=devel install -y shadow-utils-subid-devel
 ```
 
 On SLE/openSUSE
@@ -67,14 +67,20 @@ sudo zypper install -y \
   libseccomp-devel \
   libuuid-devel \
   openssl-devel \
+  squashfs fakeroot \
   cryptsetup sysuser-tools \
-  gcc go
+  wget git go
+# Install diffutils before devel tools to avoid busybox-diffutils on Tumbleweed
+sudo zypper install -y diffutils
+# Install basic tools for compiling
+# --replacefiles is needed to avoid pam conflict on Tumbleweed
+sudo zypper install -y --replacefiles -t pattern devel_basis
 ```
 
 For libsubid support (requires openSUSE Tumbleweed):
 
 ```sh
-sudo zypper -y install libsubid5  libsubid-devel
+sudo zypper install -y libsubid-devel
 ```
 
 ## Install Go
@@ -166,7 +172,7 @@ make
 sudo make install
 ```
 
-And that's it! Now you can check your Apptainer version by running:
+Now you can check your Apptainer version by running:
 
 ```sh
 apptainer --version
@@ -187,23 +193,30 @@ See the output of `./mconfig -h` for available options.
 
 ## Compiling dependent FUSE-based packages
 
-In many cases Apptainer uses FUSE-based packages in order to mount
-filesystems.  Very often these packages are available in Linux
-distributions but out of date for Apptainer needs, so they need to be
+In most cases Apptainer uses FUSE-based packages in order to mount
+filesystems.  Often some of these packages are available in Linux
+distributions but are out of date for Apptainer needs, so they need to be
 compiled and installed with Apptainer following these directions.
 
 First, make sure that additional required packages are installed.  On Debian:
 
 ```sh
-sudo apt-get install -y autoconf automake libtool pkg-config libfuse3-dev zlib1g-dev
+sudo apt-get install -y autoconf automake libtool pkg-config libfuse3-dev \
+    zlib1g-dev liblzo2-dev liblz4-dev liblzma-dev libzstd-dev
 ```
 
 On RHEL or derivatives:
 
 ```sh
-sudo dnf install -y autoconf automake libtool pkgconfig fuse3-devel zlib-devel
+sudo dnf install -y fuse3-devel lzo-devel lz4-devel
 ```
 
+On SLE/openSUSE:
+
+```sh
+sudo zypper install -y gzip fuse3-devel lzo-devel liblz4-devel \
+    xz-devel libzstd-devel
+
 To download the source code from the top level of the Apptainer source
 tree do:
 
@@ -269,10 +282,10 @@ sudo sysctl -p /etc/sysctl.d/90-disable-userns-restrictions.conf
 
 ## Building & Installing from RPM
 
-On a RHEL / Fedora machine you can build an Apptainer into rpm
+On a RHEL / Fedora /SUSE machine you can build an Apptainer into rpm
 packages, and install it from them. This is useful if you need to install
 Apptainer across multiple machines, or wish to manage all software via
-`dnf`.
+`dnf` (or `zypper` for SUSE).
 
 To build the rpms, in addition to the
 [system dependencies](#install-system-dependencies)
@@ -284,6 +297,12 @@ also install these extra packages:
 sudo dnf install -y rpm-build golang
 ```
 
+or on SLE/openSUSE:
+
+```sh
+sudo zypper install -y rpm-build binutils-gold
+```
+
 The rpm build will use the OS distribution or EPEL version of Go,
 or it will use a different installation of Go, whichever is first in $PATH.
 If the first `go` found in $PATH is too old,
diff --git a/dist/debian/control b/dist/debian/control
index 289e817cf1..36c74c2976 100644
--- a/dist/debian/control
+++ b/dist/debian/control
@@ -21,6 +21,9 @@ Build-Depends:
  pkg-config,
  libfuse3-dev,
  zlib1g-dev,
+ liblzo2-dev,
+ liblzma-dev,
+ libzstd-dev,
  dh-apparmor
 Standards-Version: 3.9.8
 Homepage: http://apptainer.org
diff --git a/dist/rpm/apptainer.spec.in b/dist/rpm/apptainer.spec.in
index 00eb69ab6d..cefaa39ac5 100644
--- a/dist/rpm/apptainer.spec.in
+++ b/dist/rpm/apptainer.spec.in
@@ -106,12 +106,14 @@ Provides: bundled(fuse-overlayfs) = %{fuse_overlayfs_version}
 %if "%{_target_vendor}" == "suse"
 BuildRequires: binutils-gold
 BuildRequires: go
+BuildRequires: liblz4-devel
 %if 0%{?suse_version} > 1600
 BuildRequires: libsubid-devel
 %endif
 %else
 BuildRequires: shadow-utils-subid-devel
 BuildRequires: golang
+BuildRequires: lz4-devel
 %endif
 BuildRequires: git
 BuildRequires: gcc
@@ -125,6 +127,9 @@ BuildRequires: automake
 BuildRequires: libtool
 BuildRequires: pkgconfig
 BuildRequires: zlib-devel
+BuildRequires: lzo-devel
+BuildRequires: xz-devel
+BuildRequires: libzstd-devel
 %endif
 %if "%{_target_vendor}" == "suse"
 Requires: squashfs
diff --git a/pkg/image/squashfs.go b/pkg/image/squashfs.go
index 755791970e..48e73b3527 100644
--- a/pkg/image/squashfs.go
+++ b/pkg/image/squashfs.go
@@ -26,6 +26,7 @@ const (
 	squashfsLzoComp  = 3
 	squashfsXzComp   = 4
 	squashfsLz4Comp  = 5
+	squashfsZstdComp = 6
 )
 
 // this represents the superblock of a v4 squashfs image
@@ -94,6 +95,8 @@ func CheckSquashfsHeader(b []byte) (uint64, error) {
 			compressionType = "lzo"
 		case squashfsXzComp:
 			compressionType = "xz"
+		case squashfsZstdComp:
+			compressionType = "zstd"
 		default:
 			return 0, fmt.Errorf("corrupted image: unknown compression algorithm value %d", sinfo.Compression)
 		}
@@ -124,6 +127,8 @@ func GetSquashfsComp(b []byte) (string, error) {
 			compType = "lzo"
 		case squashfsXzComp:
 			compType = "xz"
+		case squashfsZstdComp:
+			compType = "zstd"
 		}
 		return compType, nil
 	} else if sb.Major < 4 {
diff --git a/scripts/ci-deb-build-test b/scripts/ci-deb-build-test
index 6c9b09daf1..a14a41b1f5 100755
--- a/scripts/ci-deb-build-test
+++ b/scripts/ci-deb-build-test
@@ -36,11 +36,13 @@ apt-get install -y \
     dh-apparmor
 
 # for squashfuse_ll build
-apt-get install -y autoconf automake libtool pkg-config libfuse3-dev zlib1g-dev
+apt-get install -y autoconf automake libtool pkg-config libfuse3-dev \
+    zlib1g-dev liblzo2-dev liblz4-dev liblzma-dev libzstd-dev
 
-# for libsubid support in Ubuntu 24.04
-if [[ $OS_NAME = "Ubuntu" ]] && [ $OS_MAJOR -gt 23 ]; then
-    apt-get install -y libsubid4 libsubid-dev
+# for libsubid support in Ubuntu 24.04+ or Debian 12+
+if { [ $OS_NAME = "Ubuntu" ] && [ $OS_MAJOR -ge 24 ]; } || \
+	{ [ $OS_NAME = "Debian" ] && [ $OS_MAJOR -ge 12 ]; }; then
+    apt-get install -y libsubid-dev
 fi
 
 # move source code down a level because debuild writes into parent dir
diff --git a/scripts/ci-docker-run b/scripts/ci-docker-run
index 4faa92cfab..951204dec0 100755
--- a/scripts/ci-docker-run
+++ b/scripts/ci-docker-run
@@ -26,7 +26,7 @@ CONTAINER_VERS="${CONTAINER_VERS:-$DOCKER_HUB_URI}"
 
 docker run --privileged --network=host -v "$(pwd):/build:rw" \
   -e OS_TYPE=$OS_TYPE -e GO_ARCH=$GO_ARCH -e CONTAINER_VERS="$CONTAINER_VERS" \
-  -e HIDE_DIST=$HIDE_DIST \
+  -e HIDE_DIST=$HIDE_DIST -e INS_OPTS="$INS_OPTS" \
   --name "$DOCKER_CONTAINER_NAME" "$DOCKER_HUB_URI" /bin/bash -exc \
 	"cd /build && scripts/ci-${TEST_TYPE:-$PKGTYPE-build}-test"
 
diff --git a/scripts/ci-rpm-build-test b/scripts/ci-rpm-build-test
index c367fdefc6..90c5b421d4 100755
--- a/scripts/ci-rpm-build-test
+++ b/scripts/ci-rpm-build-test
@@ -7,17 +7,31 @@
 # this script runs as root under docker --privileged
 
 # install dependencies
-dnf install -y rpm-build make yum-utils gcc binutils util-linux-ng which git
-dnf install -y libseccomp-devel cryptsetup
-dnf --enablerepo=devel install -y shadow-utils-subid-devel
-if [ $OS_TYPE != fedora ]; then
-  dnf install -y epel-release
+if [[ $OS_TYPE == *suse* ]]; then
+  zypper install -y libseccomp-devel libuuid-devel openssl-devel \
+    squashfs fakeroot cryptsetup sysuser-tools wget git go
+  zypper install -y diffutils
+  zypper install -y --replacefiles -t pattern devel_basis
+  if [[ $OS_TYPE == *tumbleweed* ]]; then
+    zypper install -y libsubid-devel
+  fi
+  zypper install -y gzip fuse3-devel lzo-devel liblz4-devel \
+    xz-devel libzstd-devel
+  zypper install -y rpm-build binutils-gold
+  zypper install -y sudo
+else
+  dnf groupinstall -y 'Development Tools'
+  if [ $OS_TYPE != fedora ]; then
+    dnf install -y epel-release
+  fi
+  dnf install -y libseccomp-devel squashfs-tools fakeroot cryptsetup wget git
+  dnf --enablerepo=devel install -y shadow-utils-subid-devel
+  dnf install -y golang
+  dnf install -y fuse3-devel lzo-devel lz4-devel
+  dnf install -y sudo
 fi
-dnf install -y golang fakeroot
-dnf install -y autoconf automake libtool pkgconfig fuse3-devel zlib-devel
 
 # switch to an unprivileged user with sudo privileges
-dnf install -y sudo
 useradd -u 1000 --create-home -s /bin/bash testuser
 echo "Defaults:testuser env_keep=DOCKER_HOST" >>/etc/sudoers
 echo "testuser ALL=(ALL) NOPASSWD: ALL" >>/etc/sudoers
@@ -48,7 +62,11 @@ su testuser -c '
     echo "%dist %{nil}" >$HOME/.rpmmacros
   fi
   make -C builddir rpm
-  sudo dnf install -y $HOME/rpmbuild/RPMS/*/*.rpm
+  if [[ '$OS_TYPE' == *suse* ]]; then
+    sudo zypper install -y --allow-unsigned-rpm $HOME/rpmbuild/RPMS/*/*.rpm
+  else
+    sudo dnf install -y $HOME/rpmbuild/RPMS/*/*.rpm
+  fi
   BLD="$(echo $HOME/rpmbuild/BUILD/apptainer-*)"
   export GOPATH=$BLD/gopath
   PATH=$GOPATH/bin:$PATH
diff --git a/scripts/ci-unpriv-test b/scripts/ci-unpriv-test
index 7a4ced8046..5f77770eaa 100755
--- a/scripts/ci-unpriv-test
+++ b/scripts/ci-unpriv-test
@@ -10,7 +10,7 @@
 if [ "$OS_TYPE" = debian ] || [ "$OS_TYPE" = ubuntu ]; then
   apt-get update
   apt-get install -y curl rpm2cpio cpio e2fsprogs tzdata
-elif [ "$OS_TYPE" = "opensuse/leap" ] || [ "$OS_TYPE" = "opensuse/tumbleweed" ]; then
+elif [[ "$OS_TYPE" == *suse* ]]; then
   zypper install -y e2fsprogs curl cpio util-linux timezone
 else
   dnf install -y e2fsprogs cpio
@@ -26,7 +26,7 @@ su testuser -c '
   set -x
   set -e
   rm -rf ins image*.sif overlay.img
-  tools/install-unprivileged.sh -e -v apptainer-[1-9]*.$(arch).rpm ins
+  tools/install-unprivileged.sh -e -v apptainer-[1-9]*.$(arch).rpm '"$INS_OPTS"' ins
   (
   echo Bootstrap: docker
   echo From: '"$CONTAINER_VERS"'
diff --git a/tools/install-unprivileged.sh b/tools/install-unprivileged.sh
index bdbcd1ff30..8add4c10a5 100755
--- a/tools/install-unprivileged.sh
+++ b/tools/install-unprivileged.sh
@@ -111,12 +111,12 @@ case "$DIST" in
 	ubuntu20*|debian10*|debian11*) DIST=el8;;
 	ubuntu*|debian1*|debian) DIST=el9;;
 	el*|fc*);;
-	opensuse-tumbleweed)
+	suse20*|opensuse-tumbleweed)
 		if $NOOPENSUSE; then
 			DIST=el9
 		fi
 	;;
-	suse15)
+	suse15|opensuse-leap)
 		if $NOOPENSUSE; then
 			DIST=el8
 		fi
@@ -160,16 +160,16 @@ case $1 in
 	    OSREPOURL="https://dl.fedoraproject.org/pub/fedora/linux/updates/$FC/Everything/$ARCH/Packages/"
 	    EPELREPOURL="https://dl.fedoraproject.org/pub/fedora/linux/updates$TESTING/$FC/Everything/$ARCH/Packages/"
 	    ;;
-	opensuse-tumbleweed)
+	suse20*|opensuse-tumbleweed)
 	    OSREPOURL="https://download.opensuse.org/tumbleweed/repo/oss/$ARCH"
 	    EPELREPOURL="https://download.opensuse.org/repositories/network:/cluster/openSUSE_Tumbleweed/$ARCH"
 	    EXTRASREPOURL=$OSREPOURL
 	    OSSPLIT=false
 	    ;;
-	suse15)
-	    OSREPOURL="https://download.opensuse.org/distribution/leap/15.4/repo/oss/$ARCH"
-	    EPELREPOURL="https://download.opensuse.org/repositories/network:/cluster/15.4/$ARCH"
-	    EXTRASREPOURL="https://download.opensuse.org/repositories/filesystems/15.4/$ARCH"
+	suse15|opensuse-leap)
+	    OSREPOURL="https://download.opensuse.org/distribution/leap/15.6/repo/oss/$ARCH"
+	    EPELREPOURL="https://download.opensuse.org/repositories/network:/cluster/15.6/$ARCH"
+	    EXTRASREPOURL="https://download.opensuse.org/repositories/filesystems/15.6/$ARCH"
 	    OSSPLIT=false
 	    ;;
 	*) fatal "$1 distribution not supported";;
@@ -199,10 +199,10 @@ latesturl()
 		# optimization: reuse last list if it hasn't changed
 		LASTURL="$URL"
 		LASTPKGS="$(curl $CURLOPTS "$URL")"
-	elif [ $RETRY -gt 0 ]; then
+	elif [ -z "$LASTPKGS" ]; then
 		LASTPKGS="$(curl $CURLOPTS "$URL")"
 	fi
-	typeset LATEST="$(echo "$LASTPKGS"|sed -e 's/.*href="//;s/".*//' -e 's/\.mirrorlist//' -e 's/\-32bit//' -e 's@^\.\/@@' |grep "^$2-[0-9].*$ARCH"|tail -1)"
+	typeset LATEST="$(echo "$LASTPKGS"|sed -e 's/.*href="//;s/".*//' -e 's/\.mirrorlist//' -e 's/\-32bit//' -e 's@^\.\/@@' |grep "^$2-[0-9].*$ARCH\.rpm"|tail -1)"
 	if [ -n "$LATEST" ]; then
 		RETRY=0
 		echo "$URL/$LATEST"
@@ -241,9 +241,10 @@ if [[ "$VERSION" == *.rpm ]]; then
 	# take third from last field separated by dots as the rpm dist
 	# shellcheck disable=SC2001
 	RPMDIST="$(echo "$VERSION"|sed 's/.*\.\(.*\)\.[^.]*\..*$/\1/')"
-	# but if it starts with a number, the dist is missing so just try
-	# to use the default DIST (which happens if RPMDIST is empty)
-	if [[ "$RPMDIST" == [0-9]* ]]; then
+	# but if it starts with a number or contains a dash, the dist is
+	# missing so just try to use the default DIST (which happens if
+	# RPMDIST is empty)
+	if [[ "$RPMDIST" == [0-9]* ]] || [[ "$RPMDIST" == *-* ]]; then
 		RPMDIST=""
 	fi
 elif [ -z "$VERSION" ] || ! $NOOPENSUSE; then
@@ -304,12 +305,16 @@ fi
 
 OSUTILS=""
 NEEDSFUSE2FS=true
-if [ -f libexec/apptainer/bin/fuse2fs ]; then
+LIBEXEC=libexec
+if [[ "$DIST" == *suse* ]]; then
+        LIBEXEC=lib
+fi
+if [ -f $LIBEXEC/apptainer/bin/fuse2fs ]; then
 	# apptainer-1.3.0 or newer
 	NEEDSFUSE2FS=false
 fi
 EXTRASUTILS=""
-if [ ! -f libexec/apptainer/bin/fuse-overlayfs ]; then
+if [ ! -f $LIBEXEC/apptainer/bin/fuse-overlayfs ]; then
 	# older than apptainer-1.3.0
 	EXTRASUTILS="fuse-overlayfs"
 fi
@@ -330,26 +335,28 @@ if [ "$DIST" = el7 ]; then
 		EPELUTILS="$EPELUTILS fuse2fs"
 	fi
 elif [ "$DIST" = el8 ]; then
-	OSUTILS="$OSUTILS lzo squashfs-tools libzstd fuse3-libs libsepol bzip2-libs audit-libs libcap-ng libattr libacl pcre2 libxcrypt libselinux libsemanage shadow-utils-subid"
+	# lz4-libs are installed by default on rhel but needed when
+	# these binaries are used on suse
+	OSUTILS="$OSUTILS lzo squashfs-tools lz4-libs libzstd fuse3-libs libsepol bzip2-libs audit-libs libcap-ng libattr libacl pcre2 libxcrypt libselinux libsemanage shadow-utils-subid"
 	if $NEEDSFUSE2FS; then
 		OSUTILS="$OSUTILS fuse-libs e2fsprogs-libs e2fsprogs"
 	fi
-elif [ "$DIST" = "opensuse-tumbleweed" ]; then
-	OSUTILS="$OSUTILS squashfs liblzo2-2 libzstd1 libfuse3-3 $EXTRASUTILS $EPELUTILS"
+elif [[ "$DIST" == suse20* ]] || [ "$DIST" = "opensuse-tumbleweed" ]; then
+	OSUTILS="$OSUTILS squashfs liblzo2-2 liblz4-1 libzstd1 libfuse3-3 $EXTRASUTILS $EPELUTILS"
 	if $NEEDSFUSE2FS; then
 		OSUTILS="$OSUTILS fuse2fs"
 	fi
 	EXTRASUTILS=""
 	EPELUTILS=""
-elif [ "$DIST" = "suse15" ]; then
-	OSUTILS="$OSUTILS squashfs liblzo2-2 libzstd1 libfuse3-3 $EPELUTILS"
+elif [ "$DIST" = "suse15" ] || [ "$DIST" = "opensuse-leap" ]; then
+	OSUTILS="$OSUTILS squashfs liblzo2-2 liblz4-1 libzstd1 libfuse3-3 $EPELUTILS"
 	if $NEEDSFUSE2FS; then
 		EXTRASUTILS="$EXTRASUTILS libext2fs2 libfuse2 fuse2fs"
 	fi
 	EPELUTILS=""
 else
 	# el9 & fc*
-	OSUTILS="$OSUTILS lzo squashfs-tools libzstd libsepol bzip2-libs audit-libs libcap-ng libattr libacl pcre2 libxcrypt libselinux libsemanage shadow-utils-subid"
+	OSUTILS="$OSUTILS lzo squashfs-tools lz4-libs libzstd libsepol bzip2-libs audit-libs libcap-ng libattr libacl pcre2 libxcrypt libselinux libsemanage shadow-utils-subid"
 	if $NEEDSFUSE2FS; then
 		OSUTILS="$OSUTILS fuse-libs e2fsprogs-libs e2fsprogs"
 	fi