Scaling Without Limits: Announcing Self-Hosted Unleash Enterprise Edge and a New Chapter for OSS Edge

Enterprises today compete on speed and resilience. Shipping features quickly is table stakes; doing so at global scale without introducing risk is the differentiator. That is where Unleash Edge has always fit in, a lightweight proxy that brings feature flag evaluations closer to users, guaranteeing unparalleled low latency, rock-solid reliability, and unmatched resilience even under the most demanding loads.

And scale here is not theoretical, it’s proven. Wayfair, one of the world’s largest e-commerce platforms, uses Unleash feature flags to roll out the best shopping experience to 22 million customers worldwide. Their architecture handles over 20,000 requests per second on a typical business day, with even higher spikes during sales events like Black Friday. As Kirti Dhana, Site Reliability Engineer at Wayfair, explains:

With a single Unleash server and multiple Edge instances acting as a globally distributed read-only proxy, we can easily handle more than 20,000 RPS on a typical business day. Edge limits query load on the central server, keeps latency low, and keeps features running even if the server has hiccups. Even during Black Friday spikes, our feature flag system does not blink. Failures do not become outages.

This is FeatureOps in action, real-time control backed by fault-tolerant architecture.

Enterprise Edge, now self-hosted

Until now, Unleash Enterprise Edge has been available as a hosted service, deployed by us across 11 data centers worldwide. Customers can rely on Unleash to run, monitor, and scale their Edge infrastructure with real-time updates and enterprise-grade security.

Now, we are extending that power to organizations who want to run it themselves. With self-hosted Unleash Enterprise Edge, you can deploy Edge inside your own infrastructure, maintaining the same global scalability and resilience while meeting your own data residency, compliance, or customization requirements.

The benefits are clear:

• Lower Latency: Serve flags from the closest edge node.
• Unlimited Edge Locations: Stand up as many points of presence as you need, exactly where you need them.
• Real-Time Updates: Enable streaming mode to automatically push changes to flag configuration on the Unleash Server to all Edge nodes with millisecond latency.
• Resilience: Continue serving traffic even if your core Unleash instance is unreachable.
• Enterprise-Grade Security: Keep your Unleash API hidden while tightly controlling access.

In short, you can let us host Edge for you in global data centers, or now, you can run it yourself.

OSS Edge enters LTS

Unleash server itself can already scale to staggering heights, 7.5 trillion flag evaluations a day on a single small instance. For most organizations, that is more than enough.

Edge, however, is different. It was designed for one use case, global scale. Running Edge at the scale of Wayfair is not just about a proxy, it requires real-time streaming, multi-region redundancy, fine-grained security, and enterprise observability.

That is why we are moving Unleash Edge OSS into Long-Term Support (LTS) for the next year. The OSS version will remain supported and stable, but our innovation efforts will focus on Enterprise Edge, both hosted and self-hosted. This ensures that the customers who depend on Edge at planetary scale get the performance, reliability, and security they require.

The takeaway is simple:

• If you need a feature flag system that scales linearly with your applications, the Unleash server is more than enough.
• If you are operating at a global, unpredictable, multi-region scale, Edge is the right architecture and Enterprise Edge is the right version to bet on.

If you have questions about how to scale Unleash without Edge, which version of Edge is right for you, or questions about migration plans, please contact our support team.

Moving forward

Unleash’s mission is to make developers’ lives easier by giving them speed with control. Whether you are just starting with feature flags or operating at 20,000+ RPS across continents, you will find the right version of Unleash to meet your needs.

With self-hosted Unleash Enterprise Edge now available, and OSS Edge entering LTS, we are ensuring that enterprises can innovate with confidence, knowing their feature flag infrastructure will not just keep up, it will stay ahead.