diff --git a/README.md b/README.md
index 81afda9f..8bcfb7b6 100644
--- a/README.md
+++ b/README.md
@@ -30,7 +30,7 @@ npm run build
 You can run the development server with:
 
 ```sh
-npm start
+npm run dev
 ```
 
 [squoosh]: https://squoosh.app
diff --git a/cli/src/index.js b/cli/src/index.js
index d7c97eda..390dc43d 100644
--- a/cli/src/index.js
+++ b/cli/src/index.js
@@ -183,31 +183,36 @@ function progressTracker(results) {
   return tracker;
 }
 
-async function checkInputFilesValid(files) {
+async function getInputFiles(paths) {
   const validFiles = [];
 
-  for (const file of files) {
-    try {
-      await fsp.stat(file);
-    } catch (err) {
-      if (err.code === 'ENOENT') {
-        console.warn(
-          `Warning: Input file does not exist: ${resolvePath(file)}`,
-        );
-        continue;
-      } else {
-        throw err;
+  for (const path of paths) {
+    const files = (await fsp.lstat(path)).isDirectory()
+      ? (await fsp.readdir(path)).map(file => join(path, file))
+      : [path];
+    for (const file of files) {
+      try {
+        await fsp.stat(file);
+      } catch (err) {
+        if (err.code === 'ENOENT') {
+          console.warn(
+            `Warning: Input file does not exist: ${resolvePath(file)}`,
+          );
+          continue;
+        } else {
+          throw err;
+        }
       }
-    }
 
-    validFiles.push(file);
+      validFiles.push(file);
+    }
   }
 
   return validFiles;
 }
 
 async function processFiles(files) {
-  files = await checkInputFilesValid(files);
+  files = await getInputFiles(files);
 
   const parallelism = cpus().length;
 
diff --git a/cli/src/worker_pool.js b/cli/src/worker_pool.js
index 90830f5d..57ebbfa7 100644
--- a/cli/src/worker_pool.js
+++ b/cli/src/worker_pool.js
@@ -24,7 +24,7 @@ function jobPromise(worker, msg) {
 
 export default class WorkerPool {
   constructor(numWorkers, workerFile) {
-    this.closing = false;
+    this.numWorkers = numWorkers;
     this.jobQueue = new TransformStream();
     this.workerQueue = new TransformStream();
 
@@ -42,7 +42,6 @@ export default class WorkerPool {
     while (true) {
       const { value, done } = await reader.read();
       if (done) {
-        this.workerQueue.writable.close();
         await this._terminateAll();
         return;
       }
@@ -50,12 +49,6 @@ export default class WorkerPool {
       const worker = await this._nextWorker();
       jobPromise(worker, msg).then((result) => {
         resolve(result);
-        // If we are in the process of closing, `workerQueue` is
-        // already closed and we can’t requeue the worker.
-        if (this.closing) {
-          worker.terminate();
-          return;
-        }
         const writer = this.workerQueue.writable.getWriter();
         writer.write(worker);
         writer.releaseLock();
@@ -71,18 +64,15 @@ export default class WorkerPool {
   }
 
   async _terminateAll() {
-    while (true) {
+    for (let n = 0; n < this.numWorkers; n++) {
       const worker = await this._nextWorker();
-      if (!worker) {
-        return;
-      }
       worker.terminate();
     }
+    this.workerQueue.writable.close();
   }
 
   async join() {
-    this.closing = true;
-    this.jobQueue.writable.close();
+    this.jobQueue.writable.getWriter().close();
     await this.done;
   }
 
diff --git a/src/client/lazy-app/Compress/Output/custom-els/TwoUp/index.ts b/src/client/lazy-app/Compress/Output/custom-els/TwoUp/index.ts
index 35b51831..c2cb7b95 100644
--- a/src/client/lazy-app/Compress/Output/custom-els/TwoUp/index.ts
+++ b/src/client/lazy-app/Compress/Output/custom-els/TwoUp/index.ts
@@ -68,6 +68,8 @@ export default class TwoUp extends HTMLElement {
         );
       },
     });
+
+    window.addEventListener('keydown', event => this._onKeyDown(event));
   }
 
   connectedCallback() {
@@ -94,6 +96,29 @@ export default class TwoUp extends HTMLElement {
     }
   }
 
+  // KeyDown event handler
+  private _onKeyDown(event: KeyboardEvent) {
+    if (event.code === 'Digit1' || event.code === 'Numpad1') {
+      this._position = 0;
+      this._relativePosition = 0;
+      this._setPosition();
+    } else if (event.code === 'Digit2' || event.code === 'Numpad2') {
+      const dimensionAxis = this.orientation === 'vertical' ? 'height' : 'width';
+      const bounds = this.getBoundingClientRect();
+
+      this._position = bounds[dimensionAxis] / 2;
+      this._relativePosition = (this._position / bounds[dimensionAxis]) / 2;
+      this._setPosition();
+    } else if (event.code === 'Digit3' || event.code === 'Numpad3') {
+      const dimensionAxis = this.orientation === 'vertical' ? 'height' : 'width';
+      const bounds = this.getBoundingClientRect();
+
+      this._position = bounds[dimensionAxis];
+      this._relativePosition = this._position / bounds[dimensionAxis];
+      this._setPosition();
+    }
+  }
+
   private _resetPosition() {
     // Set the initial position of the handle.
     requestAnimationFrame(() => {
diff --git a/src/client/lazy-app/Compress/index.tsx b/src/client/lazy-app/Compress/index.tsx
index 0da8f769..232fe667 100644
--- a/src/client/lazy-app/Compress/index.tsx
+++ b/src/client/lazy-app/Compress/index.tsx
@@ -604,6 +604,7 @@ export default class Compress extends Component<Props, State> {
             const resizeState: Partial<ProcessorState['resize']> = {
               width: decoded.width,
               height: decoded.height,
+              method: vectorImage ? 'vector' : 'lanczos3',
               // Disable resizing, to make it clearer to the user that something changed here
               enabled: false,
             };