diff --git a/easystacks/pilot.nessi.no/2023.06/eessi-2023.06-eb-4.9.1-2023b.yml b/easystacks/pilot.nessi.no/2023.06/eessi-2023.06-eb-4.9.1-2023b.yml
index 786514114b..bb250b510b 100644
--- a/easystacks/pilot.nessi.no/2023.06/eessi-2023.06-eb-4.9.1-2023b.yml
+++ b/easystacks/pilot.nessi.no/2023.06/eessi-2023.06-eb-4.9.1-2023b.yml
@@ -11,3 +11,11 @@ easyconfigs:
   - NSS-3.94-GCCcore-13.2.0.eb
   - nodejs-20.9.0-GCCcore-13.2.0.eb
   - libGLU-9.0.3-GCCcore-13.2.0.eb
+  - AOFlagger-3.4.0-foss-2023b.eb
+  - arpack-ng-3.9.0-foss-2023b.eb
+  - Armadillo-12.8.0-foss-2023b.eb
+  - casacore-3.5.0-foss-2023b.eb
+  - IDG-1.2.0-foss-2023b.eb
+  - EveryBeam-0.5.2-foss-2023b.eb
+  - DP3-6.0-foss-2023b.eb
+  - WSClean-3.4-foss-2023b.eb
diff --git a/eb_hooks.py b/eb_hooks.py
index 2d402e4baf..08f428dea0 100644
--- a/eb_hooks.py
+++ b/eb_hooks.py
@@ -164,6 +164,32 @@ def post_prepare_hook(self, *args, **kwargs):
         POST_PREPARE_HOOKS[self.name](self, *args, **kwargs)
 
 
+def parse_hook_casacore_disable_vectorize(ec, eprefix):
+    """
+    Disable 'vectorize' toolchain option for casacore 3.5.0 on aarch64/neoverse_v1
+    Compiling casacore 3.5.0 with GCC 13.2.0 (foss-2023b) gives an error when building for aarch64/neoverse_v1.
+    See also, https://github.com/EESSI/software-layer/pull/479
+    """
+    if ec.name == 'casacore':
+        tcname, tcversion = ec['toolchain']['name'], ec['toolchain']['version']
+        if (
+            LooseVersion(ec.version) == LooseVersion('3.5.0') and
+            tcname == 'foss' and tcversion == '2023b'
+        ):
+            cpu_target = get_eessi_envvar('EESSI_SOFTWARE_SUBDIR')
+            if cpu_target == CPU_TARGET_NEOVERSE_V1:
+                if not hasattr(ec, 'toolchainopts'):
+                    ec['toolchainopts'] = {}
+                ec['toolchainopts']['vectorize'] = False
+                print_msg("Changed toochainopts for %s: %s", ec.name, ec['toolchainopts'])
+            else:
+                print_msg("Not changing option vectorize for %s on non-neoverse_v1", ec.name)
+        else:
+            print_msg("Not changing option vectorize for %s %s %s", ec.name, ec.version, ec.toolchain)
+    else:
+        raise EasyBuildError("casacore-specific hook triggered for non-casacore easyconfig?!")
+
+
 def parse_hook_cgal_toolchainopts_precise(ec, eprefix):
     """Enable 'precise' rather than 'strict' toolchain option for CGAL on POWER."""
     if ec.name == 'CGAL':
@@ -423,7 +449,7 @@ def pre_configure_hook_wrf_aarch64(self, *args, **kwargs):
             if LooseVersion(self.version) <= LooseVersion('3.9.0'):
                     self.cfg.update('preconfigopts', "sed -i 's/%s/%s/g' arch/configure_new.defaults && " % (pattern, repl))
                     print_msg("Using custom preconfigopts for %s: %s", self.name, self.cfg['preconfigopts'])
-                    
+
             if LooseVersion('4.0.0') <= LooseVersion(self.version) <= LooseVersion('4.2.1'):
                     self.cfg.update('preconfigopts', "sed -i 's/%s/%s/g' arch/configure.defaults && " % (pattern, repl))
                     print_msg("Using custom preconfigopts for %s: %s", self.name, self.cfg['preconfigopts'])
@@ -510,7 +536,7 @@ def pre_test_hook_ignore_failing_tests_netCDF(self, *args, **kwargs):
     """
     cpu_target = get_eessi_envvar('EESSI_SOFTWARE_SUBDIR')
     if self.name == 'netCDF' and self.version == '4.9.2' and cpu_target == CPU_TARGET_NEOVERSE_V1:
-        self.cfg['testopts'] = "|| echo ignoring failing tests" 
+        self.cfg['testopts'] = "|| echo ignoring failing tests"
 
 def pre_test_hook_increase_max_failed_tests_arm_PyTorch(self, *args, **kwargs):
     """
@@ -675,6 +701,7 @@ def inject_gpu_property(ec):
 
 
 PARSE_HOOKS = {
+    'casacore': parse_hook_casacore_disable_vectorize,
     'CGAL': parse_hook_cgal_toolchainopts_precise,
     'fontconfig': parse_hook_fontconfig_add_fonts,
     'GPAW': parse_hook_gpaw_harcoded_path,
diff --git a/eessi_container.sh b/eessi_container.sh
index f98c4d46d8..df008dd965 100755
--- a/eessi_container.sh
+++ b/eessi_container.sh
@@ -193,6 +193,7 @@ while [[ $# -gt 0 ]]; do
     -x|--http-proxy)
       HTTP_PROXY="$2"
       export http_proxy=${HTTP_PROXY}
+      export ftp_proxy=${HTTP_PROXY}
       shift 2
       ;;
     -y|--https-proxy)
diff --git a/run_in_compat_layer_env.sh b/run_in_compat_layer_env.sh
index f57c4d0749..efd30e7cc0 100755
--- a/run_in_compat_layer_env.sh
+++ b/run_in_compat_layer_env.sh
@@ -32,6 +32,9 @@ fi
 if [ ! -z ${https_proxy} ]; then
     INPUT="export https_proxy=${https_proxy}; ${INPUT}"
 fi
+if [ ! -z ${ftp_proxy} ]; then
+    INPUT="export ftp_proxy=${ftp_proxy}; ${INPUT}"
+fi
 
 echo "Running '${INPUT}' in EESSI (${EESSI_CVMFS_REPO}) ${EESSI_VERSION} compatibility layer environment..."
 ${EESSI_COMPAT_LAYER_DIR}/startprefix <<< "${INPUT}"