diff --git a/examples/weather/src/index.tsx b/examples/weather/src/index.tsx
index dce3c7425..2dcf862ec 100644
--- a/examples/weather/src/index.tsx
+++ b/examples/weather/src/index.tsx
@@ -201,7 +201,7 @@ async function fetchWeather() {
   }
 }
 
-setInterval(fetchWeather, 5000);
+clearInterval(window.__interval); window.__interval = setInterval(fetchWeather, 5000);
 fetchWeather();
 
 // Gauge does not expose a public setColor() method, so dynamic color
diff --git a/packages/dev-server/src/devtools.ts b/packages/dev-server/src/devtools.ts
index 17222d074..8ba43a836 100644
--- a/packages/dev-server/src/devtools.ts
+++ b/packages/dev-server/src/devtools.ts
@@ -78,7 +78,7 @@ export class DevTools {
             renderTimeMs: timeMs,
             widgetCount,
             lastRenderAt: now,
-            fps: Math.round(fps * 10) / 10,
+            fps: Math.round(fps * 10 + Number.EPSILON) / 10,
             memoryMB: Math.round((process.memoryUsage?.().heapUsed ?? 0) / 1024 / 1024 * 10) / 10,
         };
     }
diff --git a/packages/ui/src/Switch.ts b/packages/ui/src/Switch.ts
index 7c24941a5..d9a1e01d0 100644
--- a/packages/ui/src/Switch.ts
+++ b/packages/ui/src/Switch.ts
@@ -114,7 +114,7 @@ export class Switch extends Widget {
         if (width <= 0) return;
 
         const attrs = styleToCellAttrs(this.style);
-        const knobPos = Math.round(this._animProgress * 2);
+        const knobPos = Math.round(this._animProgress * 2 + Number.EPSILON);
         const transitioning = this._animProgress > 0 && this._animProgress < 1;
 
         let trackChars: string[];