diff --git a/.github/CODEOWNERS b/.github/CODEOWNERS
index 13175cfc..7d618d44 100644
--- a/.github/CODEOWNERS
+++ b/.github/CODEOWNERS
@@ -20,7 +20,7 @@
 *.js @Hazelfire @berekuk @OAGr
 
 # Any opsy files
-.github/** @quinn-doughert @berekuky @OAGr
+.github/** @quinn-dougherty @berekuk @OAGr
 *.json @quinn-dougherty @Hazelfire @berekuk @OAGr
 *.y*ml @quinn-dougherty @berekuk @OAGr
 *.config.js @Hazelfire @berekuk @OAGr
diff --git a/packages/components/package.json b/packages/components/package.json
index 22dfdcc5..110608bc 100644
--- a/packages/components/package.json
+++ b/packages/components/package.json
@@ -1,6 +1,6 @@
 {
   "name": "@quri/squiggle-components",
-  "version": "0.4.1",
+  "version": "0.4.3",
   "license": "MIT",
   "dependencies": {
     "@floating-ui/react-dom": "^1.0.0",
@@ -8,7 +8,7 @@
     "@headlessui/react": "^1.6.6",
     "@heroicons/react": "^1.0.6",
     "@hookform/resolvers": "^2.9.8",
-    "@quri/squiggle-lang": "^0.4.1",
+    "@quri/squiggle-lang": "^0.4.2",
     "@react-hook/size": "^2.1.2",
     "clsx": "^1.2.1",
     "framer-motion": "^7.3.2",
@@ -67,7 +67,7 @@
   },
   "scripts": {
     "start": "cross-env REACT_APP_FAST_REFRESH=false && start-storybook -p 6006 -s public",
-    "build:cjs": "rm -rf dist/src && tsc -b",
+    "build:cjs": "rm -rf dist/src && rm -f dist/tsconfig.tsbuildinfo && tsc -b",
     "build:css": "postcss ./src/styles/main.css -o ./dist/main.css",
     "build:storybook": "build-storybook -s public",
     "build": "yarn run build:cjs && yarn run build:css && yarn run build:storybook",
diff --git a/packages/squiggle-lang/package.json b/packages/squiggle-lang/package.json
index 89ea4432..bd4d63ec 100644
--- a/packages/squiggle-lang/package.json
+++ b/packages/squiggle-lang/package.json
@@ -1,6 +1,6 @@
 {
   "name": "@quri/squiggle-lang",
-  "version": "0.4.1",
+  "version": "0.4.2",
   "homepage": "https://squiggle-language.com",
   "license": "MIT",
   "scripts": {
@@ -45,7 +45,7 @@
     "@stdlib/stats": "^0.0.13",
     "jstat": "^1.9.5",
     "lodash": "^4.17.21",
-    "mathjs": "^11.2.0",
+    "mathjs": "^11.2.1",
     "pdfast": "^0.2.0"
   },
   "devDependencies": {
diff --git a/packages/squiggle-lang/scripts/README.md b/packages/squiggle-lang/scripts/README.md
index e8dea081..c81dbc90 100644
--- a/packages/squiggle-lang/scripts/README.md
+++ b/packages/squiggle-lang/scripts/README.md
@@ -1,3 +1,29 @@
 Various scripts used for development, benchmarking and testing.
 
+<<<<<<< HEAD
 None of these are bundled in NPM package yet.
+=======
+None of these are bundled in the NPM package yet.
+
+# run.mjs
+
+`scripts/run.mjs` allows quick testing of Squiggle programs:
+
+```
+$ ./scripts/run.mjs '2+2'
+Running 2+2
+Ok 4
+@{__result__: 4}
+```
+
+# run-file.mjs
+
+`scripts/run-file.mjs` can be used to run and benchmark squiggle scripts stored in files:
+
+```
+$ ./scripts/run-file.mjs ./path/to/file.squiggle
+Time: 3.18 Ok
+```
+
+To see the result and bindings, add the `-o` or `--output` flag.
+>>>>>>> develop
diff --git a/packages/squiggle-lang/scripts/bench-map-reduce.mjs b/packages/squiggle-lang/scripts/bench-map-reduce.mjs
new file mode 100755
index 00000000..5dfbca0f
--- /dev/null
+++ b/packages/squiggle-lang/scripts/bench-map-reduce.mjs
@@ -0,0 +1,27 @@
+#!/usr/bin/env node
+import { SqProject } from "@quri/squiggle-lang";
+
+const measure = (cb, times = 1) => {
+  const t1 = new Date();
+
+  for (let i = 1; i <= times; i++) {
+    cb();
+  }
+  const t2 = new Date();
+  return (t2 - t1) / 1000;
+};
+
+const maxP = 5;
+
+for (let p = 0; p <= maxP; p++) {
+  const size = Math.pow(10, p);
+  const project = SqProject.create();
+  project.setSource(
+    "main",
+    `List.upTo(1, ${size}) |> map({|x| List.upTo(1, 100) |> reduce(0, {|a,b|a+b})})`
+  );
+  const time = measure(() => {
+    project.run("main");
+  });
+  console.log(`1e${p}`, "\t", time);
+}
diff --git a/packages/squiggle-lang/scripts/bench-map.mjs b/packages/squiggle-lang/scripts/bench-map.mjs
new file mode 100755
index 00000000..c7a00477
--- /dev/null
+++ b/packages/squiggle-lang/scripts/bench-map.mjs
@@ -0,0 +1,27 @@
+#!/usr/bin/env node
+import { SqProject } from "@quri/squiggle-lang";
+
+const measure = (cb, times = 1) => {
+  const t1 = new Date();
+
+  for (let i = 1; i <= times; i++) {
+    cb();
+  }
+  const t2 = new Date();
+  return (t2 - t1) / 1000;
+};
+
+const maxP = 7;
+
+for (let p = 0; p <= maxP; p++) {
+  const size = Math.pow(10, p);
+  const project = SqProject.create();
+  project.setSource("list", `l = List.upTo(1,${size})`);
+  project.run("list");
+  project.setSource("map", "l |> map({|x| x})");
+  project.setContinues("map", ["list"]);
+  const time = measure(() => {
+    project.run("map");
+  });
+  console.log(`1e${p}`, "\t", time);
+}
diff --git a/packages/squiggle-lang/scripts/run-file.mjs b/packages/squiggle-lang/scripts/run-file.mjs
index 65d67cdc..2df67bd3 100755
--- a/packages/squiggle-lang/scripts/run-file.mjs
+++ b/packages/squiggle-lang/scripts/run-file.mjs
@@ -14,12 +14,20 @@ const measure = (cb, times = 1) => {
   return (t2 - t1) / 1000;
 };
 
+<<<<<<< HEAD
 const red = (s) => `\x1b[31m${s}\x1b[0m`;
 const green = (s) => `\x1b[32m${s}\x1b[0m`;
 
 const program = new Command();
 
 program.option("-t, --time");
+=======
+const red = (str) => `\x1b[31m${str}\x1b[0m`;
+const green = (str) => `\x1b[32m${str}\x1b[0m`;
+
+const program = new Command();
+
+>>>>>>> develop
 program.option("-o, --output");
 program.arguments("<string>");
 
@@ -40,7 +48,11 @@ if (!src) {
 }
 
 project.setSource("main", src);
+<<<<<<< HEAD
 const t = measure(() => project.run("main"));
+=======
+const time = measure(() => project.run("main"));
+>>>>>>> develop
 
 const bindings = project.getBindings("main");
 const result = project.getResult("main");
@@ -50,6 +62,7 @@ if (options.output) {
   console.log("Bindings:", bindings.toString());
 }
 
+<<<<<<< HEAD
 if (options.time) {
   console.log(
     "Time:",
@@ -58,3 +71,11 @@ if (options.time) {
     result.tag === "Error" ? result.value.toString() : ""
   );
 }
+=======
+console.log(
+  "Time:",
+  String(time),
+  result.tag === "Error" ? red(result.tag) : green(result.tag),
+  result.tag === "Error" ? result.value.toString() : ""
+);
+>>>>>>> develop
diff --git a/packages/squiggle-lang/scripts/run.mjs b/packages/squiggle-lang/scripts/run.mjs
new file mode 100755
index 00000000..6f842eef
--- /dev/null
+++ b/packages/squiggle-lang/scripts/run.mjs
@@ -0,0 +1,18 @@
+#!/usr/bin/env node
+import { SqProject } from "@quri/squiggle-lang";
+
+const project = SqProject.create();
+
+const src = process.argv[2];
+if (!src) {
+  throw new Error("Expected src");
+}
+console.log(`Running ${src}`);
+project.setSource("a", src);
+project.run("a");
+
+const result = project.getResult("a");
+console.log(result.tag, result.value.toString());
+
+const bindings = project.getBindings("a");
+console.log(bindings.asValue().toString());
diff --git a/packages/vscode-ext/package.json b/packages/vscode-ext/package.json
index 45376860..210b4a23 100644
--- a/packages/vscode-ext/package.json
+++ b/packages/vscode-ext/package.json
@@ -3,7 +3,7 @@
   "displayName": "Squiggle",
   "description": "Squiggle language support",
   "license": "MIT",
-  "version": "0.4.1",
+  "version": "0.4.2",
   "publisher": "QURI",
   "repository": {
     "type": "git",
diff --git a/yarn.lock b/yarn.lock
index f4ed4bd8..b0427b00 100644
--- a/yarn.lock
+++ b/yarn.lock
@@ -4797,7 +4797,7 @@
     "@types/history" "^4.7.11"
     "@types/react" "*"
 
-"@types/react@*", "@types/react@^18.0.18":
+"@types/react@*", "@types/react@^18.0.1", "@types/react@^18.0.18":
   version "18.0.20"
   resolved "https://registry.yarnpkg.com/@types/react/-/react-18.0.20.tgz#e4c36be3a55eb5b456ecf501bd4a00fd4fd0c9ab"
   integrity sha512-MWul1teSPxujEHVwZl4a5HxQ9vVNsjTchVA+xRqv/VYGCuKGAU6UhfrTdF5aBefwD1BHUD8i/zq+O/vyCm/FrA==
@@ -12346,10 +12346,10 @@ markdown-it@^8.3.1:
     mdurl "^1.0.1"
     uc.micro "^1.0.5"
 
-mathjs@^11.0.1, mathjs@^11.2.0:
-  version "11.2.0"
-  resolved "https://registry.yarnpkg.com/mathjs/-/mathjs-11.2.0.tgz#06ade7425287bf69c3210158853996a55861e07e"
-  integrity sha512-4x1LUP1tkNWWvaZiPO+rF9rKE5q4o541FF4m8ZIk1PlmSyHDGRAKutjA67rICK4DXWEY1gpumPOvaq3xuQHT6Q==
+mathjs@^11.0.1, mathjs@^11.2.1:
+  version "11.2.1"
+  resolved "https://registry.yarnpkg.com/mathjs/-/mathjs-11.2.1.tgz#725d2e769eb036214530ff532cea4a464efdc75e"
+  integrity sha512-V5lqIPExHtFi56LUf0Gyz0wyuJmSbXUM3liZcCDNpj4OKQaUlpQuAymC8x9mFNqajWOgxqS1HZ7Z5B76Hbwrtw==
   dependencies:
     "@babel/runtime" "^7.19.0"
     complex.js "^2.1.1"
@@ -15152,7 +15152,7 @@ react-vega@^7.6.0:
     prop-types "^15.8.1"
     vega-embed "^6.5.1"
 
-react@^18.1.0:
+react@^18.0.0, react@^18.1.0:
   version "18.2.0"
   resolved "https://registry.yarnpkg.com/react/-/react-18.2.0.tgz#555bd98592883255fa00de14f1151a917b5d77d5"
   integrity sha512-/3IjMdb2L9QbBdWiW5e3P2/npwMBaU9mHCSCUzNln0ZCYbcfTsGbTJrU/kGemdH2IWmB2ioZ+zkxtmq6g09fGQ==