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Heroku Blog

Heroku AppLink: Now Using JWT-Based Authorization for Salesforce

Modern Continuous Integration/Continuous Deployment (CI/CD) pipelines demand machine-to-machine authorization, but traditional web-based flow requires manual steps and often rely on static credentials; a major security risk. Heroku AppLink now uses JWT Authorization to solve both: enabling automated setup and eliminating long-lived secrets.

Heroku GitHub Enterprise Integration: Unlocking Full Continuous Delivery for Enterprise Customers

We’re excited to announce a significant enhancement to how Heroku Enterprise customers connect their deployment pipelines to GitHub Enterprise Server (GHES) and GitHub Enterprise Cloud (GHEC) . The new Heroku GitHub Enterprise Integration is now available in a closed pilot, offering a more secure, robust, and permanent connection between your code repositories and your Heroku apps.

PaaS + IaaS: Heroku and AWS for Cloud-Native Enterprise Agility

For modern enterprises building cloud-native applications, success hinges on achieving maximum development velocity at every scale. Infrastructure as a Service (IaaS) providers like AWS provide hundreds of services with the unmatched reliability and scale needed for enterprise infrastructure, but they can require significant effort and expertise for organizations to be effective and efficient. To achieve true agility, development teams turn to a Platform as a Service (PaaS) like Heroku to streamline the path to production and beyond.

Faster Agents with Automatic Prompt Caching

Heroku is launching automatic prompt caching starting December 18, 2025. Prompt caching delivers a notable, zero-effort performance increase for Heroku Managed Inference and Agents . Enabled by default, this feature is designed to deliver significantly faster responses for common workloads. We have taken a pragmatic approach and currently only enabled this to cache system prompts and tool definition, and not user messages or conversation history. You can disable caching for any request by setting X-Heroku-Prompt-Caching: false.

Unleash the Power of IaC on Heroku’s Next Generation: Terraform for Fir is Here!

We are thrilled to announce that the Heroku Terraform Provider is now fully optimized for Fir. This significant milestone allows developers to manage our next-generation platform using Infrastructure as Code (IaC).

Fir is built on a modern foundation of cloud-native, open-source standards (Kubernetes) while maintaining the legendary Heroku developer experience. By combining the declarative power of Terraform with the advanced capabilities of Fir, you can now manage your applications with unprecedented control, consistency, and scalability.

Incident Review: Intermittent Disruption and Degradation of Heroku Services on October 20, 2025

Beginning on October 20th, 2025 07:06 UTC, multiple Heroku services were initially impacted by a database service disruption with our cloud infrastructure provider in the Virginia region. This affected the monitoring, provisioning, networking and availability of cloud infrastructure services that power the Heroku platform.

This outage was a complex, multi-phased event primarily triggered by multiple upstream outages within the cloud infrastructure provider Virginia region, and compounded by Heroku's single-region control plane architecture and automation failures. The service disruptions can be divided into two distinct phases based on root causes, timeline, and impacts.

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