diff --git a/examples/calculator/src/index.tsx b/examples/calculator/src/index.tsx
index 852911990..a2ed8284b 100644
--- a/examples/calculator/src/index.tsx
+++ b/examples/calculator/src/index.tsx
@@ -403,7 +403,7 @@ class CalculatorApp extends Widget {
     }
 
     private evaluate() {
-        if (this.expression.trim() === "") return;
+        if (this.expression.trim().length === 0) return;
         const oldExpr = this.expression;
         this.result = safeEval(this.expression);
         if (this.result !== null && !this.result.startsWith("Error")) {
diff --git a/examples/rss-reader/src/index.tsx b/examples/rss-reader/src/index.tsx
index 2b269cb81..5ff542b3f 100644
--- a/examples/rss-reader/src/index.tsx
+++ b/examples/rss-reader/src/index.tsx
@@ -27,7 +27,7 @@ function decodeEntities(value: string): string {
 
   return value.replace(/&(#x?[0-9a-fA-F]+|[a-zA-Z]+);/g, (match, entity: string) => {
     if (entity.startsWith('#x')) {
-      const codePoint = Number.parseInt(entity.slice(2), 16);
+      const codePoint = Number.parseInt(entity.slice(2, 10), 16);
       return Number.isFinite(codePoint) ? String.fromCodePoint(codePoint) : match;
     }
 
diff --git a/packages/dev-server/src/server.ts b/packages/dev-server/src/server.ts
index 47d4f2b6d..b31a4da89 100644
--- a/packages/dev-server/src/server.ts
+++ b/packages/dev-server/src/server.ts
@@ -380,7 +380,7 @@ export class DevServer {
 
             this._killChild();
 
-            await exitedPromise.catch(() => {});
+            await exitedPromise.catch( => console.error());
 
             if (this._running && this._entryFile) {
                 this._spawnChild();
diff --git a/scripts/build-registry.ts b/scripts/build-registry.ts
index f84844538..01abfbde1 100644
--- a/scripts/build-registry.ts
+++ b/scripts/build-registry.ts
@@ -44,7 +44,7 @@ export function collectDeps(content: string): string[] {
   const deps = new Set<string>();
   let m: RegExpExecArray | null;
   while ((m = re.exec(content)) !== null) deps.add(m[1]!);
-  return [...deps].sort();
+  return [...deps].sort((a, b) => a - b);
 }
 
 export function toSlug(name: string): string {