diff --git a/.github/workflows/build.yml b/.github/workflows/build.yml
index 381b79ae..9dc292c3 100644
--- a/.github/workflows/build.yml
+++ b/.github/workflows/build.yml
@@ -12,6 +12,7 @@ jobs:
           - '-mb braces'
           - '--ie8 -c'
           - '-mc'
+          - '-p acorn --toplevel -mco spidermonkey'
           - '--toplevel -mc passes=3,pure_getters,unsafe'
         script:
           - acorn.sh
diff --git a/test/release/rollup-ts.sh b/test/release/rollup-ts.sh
index 0a960d55..fa7c56f5 100755
--- a/test/release/rollup-ts.sh
+++ b/test/release/rollup-ts.sh
@@ -6,18 +6,22 @@ UGLIFY_OPTIONS=$@
 minify_in_situ() {
     ARGS="$UGLIFY_OPTIONS --validate --in-situ"
     DIRS="$1"
+    echo '> esbuild' $DIRS
+    for i in `find $DIRS -type f -name '*.ts' | grep -v '\.d\.ts'`
+    do
+        echo "$i"
+        CODE=`cat "$i"`
+        node_modules/.bin/esbuild --loader=ts --target=es2019 > "$i" <<EOF
+$CODE
+EOF
+        ARGS="$ARGS $i"
+    done
     echo '> uglify-js' $DIRS $UGLIFY_OPTIONS
     for i in `find $DIRS -type f -name '*.js'`
     do
         ARGS="$ARGS $i"
     done
     uglify-js $ARGS
-    for i in `find $DIRS -type f -name '*.ts' | grep -v '\.d\.ts'`
-    do
-        echo "$i"
-        node_modules/.bin/esbuild --loader=ts --target=es2019 < "$i" \
-            | uglify-js $UGLIFY_OPTIONS -o "$i"
-    done
 }
 
 rm -rf tmp/rollup \
diff --git a/test/release/sucrase.sh b/test/release/sucrase.sh
index 909e633e..5e2c41bb 100755
--- a/test/release/sucrase.sh
+++ b/test/release/sucrase.sh
@@ -6,6 +6,16 @@ UGLIFY_OPTIONS=$@
 minify_in_situ() {
     ARGS="$UGLIFY_OPTIONS --validate --in-situ"
     DIRS="$1"
+    echo '> esbuild' $DIRS
+    for i in `find $DIRS -type f -name '*.ts' | grep -v '\.d\.ts'`
+    do
+        echo "$i"
+        CODE=`cat "$i"`
+        node_modules/.bin/esbuild --loader=ts --target=es2019 > "$i" <<EOF
+$CODE
+EOF
+        ARGS="$ARGS $i"
+    done
     echo '> uglify-js' $DIRS $UGLIFY_OPTIONS
     for i in `find $DIRS -type f -name '*.js'`
     do
@@ -16,12 +26,6 @@ minify_in_situ() {
         ARGS="$ARGS $i"
     done
     uglify-js $ARGS
-    for i in `find $DIRS -type f -name '*.ts' | grep -v '\.d\.ts'`
-    do
-        echo "$i"
-        node_modules/.bin/esbuild --loader=ts --target=es2019 < "$i" \
-            | uglify-js $UGLIFY_OPTIONS -o "$i"
-    done
 }
 
 rm -rf tmp/sucrase \
diff --git a/test/release/web-tooling-benchmark.sh b/test/release/web-tooling-benchmark.sh
index d7218d38..42566137 100755
--- a/test/release/web-tooling-benchmark.sh
+++ b/test/release/web-tooling-benchmark.sh
@@ -1,6 +1,6 @@
 #!/bin/sh
 
-alias uglify-js="node --max-old-space-size=4096 $PWD/bin/uglifyjs"
+alias uglify-js="node --max-old-space-size=8192 $PWD/bin/uglifyjs"
 UGLIFY_OPTIONS=$@
 
 minify_in_situ() {
@@ -23,6 +23,17 @@ rm -rf tmp/web-tooling-benchmark \
 +++ b/package.json
 @@ -12 +11,0 @@
 -    "postinstall": "npm run build:terser-bundled && npm run build:uglify-js-bundled && npm run build",
+--- a/src/bootstrap.js
++++ b/src/bootstrap.js
+@@ -6 +6 @@ const gmean = require("compute-gmean");
+-const package = require("../package.json");
++const package_json = require("../package.json");
+@@ -65 +65 @@ function initialize() {
+-  document.title = \`Web Tooling Benchmark v\${package.version}\`;
++  document.title = \`Web Tooling Benchmark v\${package_json.version}\`;
+@@ -68 +68 @@ function initialize() {
+-  versionDiv.innerHTML = \`v\${package.version}\`;
++  versionDiv.innerHTML = \`v\${package_json.version}\`;
 --- a/src/cli-flags-helper.js
 +++ b/src/cli-flags-helper.js
 @@ -7 +6,0 @@ const targetList = new Set([