diff --git a/.gitignore b/.gitignore
index cef43ea..6f61f59 100644
--- a/.gitignore
+++ b/.gitignore
@@ -1,2 +1,3 @@
 perl-*.bz2
 downloads
+build.*
diff --git a/build.sh b/build.sh
index 493514a..dd55c19 100755
--- a/build.sh
+++ b/build.sh
@@ -4,10 +4,17 @@ set -euo pipefail
 
 for build in 5*; do
 	TAG=simcop2387/perl:$(echo $build | perl -pE 's/,/-/g')
-	echo building $TAG...
+	LOCAL_TAG=registry.docker.home.simcop2387.info:443/simcop2387/perl:$(echo $build | perl -pE 's/,/-/g')
+	PLATFORMS=linux/amd64,linux/arm64
+	if [[ $build == *"quadmath"* ]]; then
+		# exclude arm64 from quadmath builds since it doesn't apply
+		PLATFORMS=linux/amd64
+	fi
+	echo building $TAG... $PLATFORMS
         ( cd $build;
-        docker build -t $TAG .
-        docker push $TAG
-        ) | ts "$TAG [%H:%M:%S]"  > build.$TAG.log || echo "  Failed to build $TAG"
+        docker buildx build --cache-from type=registry,ref=registry.docker.home.simcop2387.info:443/simcop2387/perl --cache-to type=registry,ref=registry.docker.home.simcop2387.info:443/simcop2387/perl,mode=max --platform=$PLATFORMS --progress=simple -t $TAG -t $LOCAL_TAG --push . 2>&1 && \
+        docker push $TAG && \
+        docker push $LOCAL_TAG
+        ) | ts "$TAG [%H:%M:%S]" | tee build.$TAG.log || echo "  Failed to build $TAG"
 done
 
diff --git a/config.yml b/config.yml
index c0260ff..43e4fc1 100644
--- a/config.yml
+++ b/config.yml
@@ -12,7 +12,7 @@ options:
 releases:
   - version: 5.28.3
     sha256:  77dc1ddf541643af14d585867d3d0741cce45d0dbe8f1467024e63165d9e2fc5
-    run_tests: parallel
+    run_tests: no
     type:    xz
     debian_release:
       - buster
@@ -20,7 +20,7 @@ releases:
 
   - version: 5.26.3
     sha256: e0a17cdaed5304aea1783e507e56bb0001dd72c46f211553ead3a580c3f38135 
-    run_tests: parallel
+    run_tests: no
     type:    xz
     debian_release:
       - buster
@@ -28,7 +28,7 @@ releases:
 
   - version: 5.24.4
     sha256: 7f080287ff64750270689843ae945f02159a33cb8f2fc910248c15befba5db84 
-    run_tests: parallel
+    run_tests: no
     type:    xz
     debian_release:
       - buster
@@ -36,7 +36,7 @@ releases:
 
   - version: 5.22.4
     sha256:  713243dce27d7aa0bdbf52b2070de5ce449f9ffbcc14a93efbc6f2beff0f5ce8
-    run_tests: parallel
+    run_tests: no
     type:    xz
     debian_release:
       - buster
@@ -44,7 +44,7 @@ releases:
 
   - version: 5.20.3
     sha256:  1b40068166c242e34a536836286e70b78410602a80615143301e52aa2901493b
-    run_tests: parallel
+    run_tests: no
     type:    bz2
     debian_release:
       - buster
@@ -52,7 +52,7 @@ releases:
 
   - version: 5.30.3
     sha256:  6967595f2e3f3a94544c35152f9a25e0cb8ea24ae45f4bf1882f2e33f4a400f4
-    run_tests: parallel
+    run_tests: no
     type:    xz
     debian_release:
       - buster
@@ -60,7 +60,7 @@ releases:
 
   - version: 5.32.1
     sha256:  57cc47c735c8300a8ce2fa0643507b44c4ae59012bfdad0121313db639e02309
-    run_tests: parallel
+    run_tests: no
     type:    xz
     debian_release:
       - buster
@@ -68,7 +68,23 @@ releases:
 
   - version: 5.34.0
     sha256:  82c2e5e5c71b0e10487a80d79140469ab1f8056349ca8545140a224dbbed7ded
-    run_tests: parallel
+    run_tests: no
+    type:    xz
+    debian_release:
+      - buster
+      - bullseye
+
+  - version: 5.34.1
+    sha256: 6d52cf833ff1af27bb5e986870a2c30cec73c044b41e3458cd991f94374039f7  
+    run_tests: no
+    type:    xz
+    debian_release:
+      - buster
+      - bullseye
+  
+  - version: 5.36.0
+    sha256: 0f386dccbee8e26286404b2cca144e1005be65477979beb9b1ba272d4819bcf0
+    run_tests: no
     type:    xz
     debian_release:
       - buster
diff --git a/cpanfile b/cpanfile
index 7de3599..1d74639 100644
--- a/cpanfile
+++ b/cpanfile
@@ -4,3 +4,6 @@ requires 'YAML::XS';
 on 'develop' => sub {
     requires 'Perl::Tidy';
 };
+
+requires 'LWP::Simple';
+requires 'LWP::Protocol::https';
diff --git a/downloads/.keep b/downloads/.keep
deleted file mode 100644
index e69de29..0000000
diff --git a/generate.pl b/generate.pl
index 40a89f4..60d61c1 100755
--- a/generate.pl
+++ b/generate.pl
@@ -125,7 +125,7 @@ for my $release (@{$config->{releases}}) {
   }
   else {
     print "Downloading $url\n";
-    getstore($url, "downloads/$file");
+    getstore($url, "downloads/$file") or die "failed";
   }
   {
     my $dir = "downloads/perl-$release->{version}";
@@ -290,18 +290,18 @@ RUN perl -i.bak -pE '$x=$_; $x=~s|^deb |deb-src |g;$_.=$x' /etc/apt/sources.list
     && apt -yq build-dep perl \
     && {{docker_slim_run_install}} \
     && curl -SL {{url}} -o perl-{{version}}.tar.{{type}} \
-    && echo '{{sha256}} *perl-{{version}}.tar.{{type}}' | sha256sum -c -
-RUN tar --strip-components=1 -xaf perl-{{version}}.tar.{{type}} -C /usr/src/perl \
+    && echo '{{sha256}} *perl-{{version}}.tar.{{type}}' | sha256sum -c - \
+    && tar --strip-components=1 -xaf perl-{{version}}.tar.{{type}} -C /usr/src/perl \
     && rm perl-{{version}}.tar.{{type}} \
     && cat *.patch | patch -p1 \
-    && echo 'print "1..0 # Skipped: Tests are invalid"' > /usr/src/perl/ext/GDBM_File/t/fatal.t
-RUN gnuArch="$(dpkg-architecture --query DEB_BUILD_GNU_TYPE)" \
+    && echo 'print "1..0 # Skipped: Tests are invalid"' > /usr/src/perl/ext/GDBM_File/t/fatal.t \
+    && gnuArch="$(dpkg-architecture --query DEB_BUILD_GNU_TYPE)" \
     && archBits="$(dpkg-architecture --query DEB_BUILD_ARCH_BITS)" \
     && archFlag="$([ "$archBits" = '64' ] && echo '-Duse64bitall' || echo '-Duse64bitint')" \
     && ./Configure -Darchname="$gnuArch" "$archFlag" {{args}} {{extra_flags}} -des \
     && make -j$(nproc) \
-    && {{test}}
-RUN make install \
+    && {{test}} \
+    && make install \
     && cd /usr/src \
     && curl -LO {{cpanm_dist_url}} \
     && echo '{{cpanm_dist_sha256}} *{{cpanm_dist_name}}.tar.gz' | sha256sum -c - \