Heroku

Material Event filed 2026-04-30

Proxy Statement filed 2026-04-24

Material Event filed 2026-04-13

We’ve transitioned to a Sustaining Engineering model to better serve the customers who rely on us every day. Our mission is simple: to provide the most stable, secure, and reliable environment for your apps and data. We will continue releasing features and functionality that align with our Sustaining Engineering goals and provide a more robust and efficient platform to our customers. Today we are excited to share three recent enhancements: The post Heroku March 2026 Update appeared first on Heroku .

Heroku CLI v11 is now available. This release represents the most significant architectural overhaul in years, completing our migration to ECMAScript Modules (ESM) and oclif v4. This modernization brings faster performance, a new semantic color system, and aligns the CLI with modern JavaScript standards. While v11 introduces breaking changes to legacy namespaces, the benefits are […] The post Modernizing the Command Line: Heroku CLI v11 appeared first on Heroku .

Modern applications, especially those leveraging AI and data-heavy libraries, need more room to breathe. To support these evolving stacks and reduce developer friction, we’ve increased the default maximum compressed slug size from 500MB to 1GB. Understanding app slugs and deployment App slugs are the container build artifacts produced by Heroku Buildpacks and run in dynos. […] The post Bigger Slugs and Greater Build Timeout Flexibility appeared first on Heroku .

Most developers never see the 11 pack releases we shipped in the last 14 months as pack CLI maintainers. That’s actually a good sign—it means the infrastructure just works. When a critical vulnerability emerges requiring an immediate upgrade, the fix is shipped within days. Here’s what most developers don’t see: that same security patch now […] The post Behind the Scenes: How Maintaining Cloud Native Buildpacks Powers Platforms Like Heroku appeared first on Heroku .

Modern applications on Heroku don’t just consist of code. They are living ecosystems comprised of dynos, databases, third-party APIs, and complex user interactions. As these systems scale, so do the logs and metrics. To efficiently extract the signals from the noise you need to understand system health in the context of external factors, like resource […] The post From Fragmented Logs to Full-Stack Visibility with SolarWinds Papertrail appeared first on Heroku .

The web browser and certificate authority industry is shortening the maximum allowed lifetime of TLS certificates. These changes will improve security on the Web, but you may have to change certificate maintenance practices for apps you run on Heroku. The good news is that if you’re using Heroku Automated Certificate Management, no changes are required: […] The post Preparing for Shorter SSL/TLS Certificate Lifetimes appeared first on Heroku .

Heroku is introducing significant updates to Managed Inference and Agents. These changes focus on reducing developer friction, expanding model catalogue, and streamlining deployment workflows. More flexibility with the new standard plan Until now, Heroku’s model-based plans required developers to provision a specific add-on for a specific model. This created significant operational overhead. If you wanted […] The post Whats New in Heroku AI: New Models and a Flexible Standard Plan appeared first on Heroku .