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October 2026 Update: Heroku Innovations and New Features

Heroku’s continuous platform innovation keeps operational overhead out of your path while delivering our industry-best developer experience. We handle everything below your code, from the core infrastructure and OS maintenance to runtimes and dependencies, so developers can stay focused on building.

You can see that ongoing innovation across our latest releases in managed data services, platform access controls, and Salesforce connectivity.

A New Era for Managed Databases: Announcing Heroku Postgres Advanced

At Heroku, we’ve built a platform that allows developers to focus on their apps, not managing their infrastructure. Heroku Postgres Advanced carries forward that philosophy as our next-generation database offering, available today.

Introducing Team Authorizations

Team Authorizations let you create and manage API tokens and OAuth authorizations at the team and team’s resources level instead of tying them to one person’s account.

Until now, every API token belonged to an individual. When that person left the team, changed roles, or lost access, any integration, CI/CD pipeline, or automation built on their token could break without warning, and nobody else could easily see what was at risk. Team Authorizations fixes that. Your integrations keep running no matter who's on the team.

Fine-Grained Access Control Now Available for All Heroku Customers

Fine-Grained Access Controls is now available to all Heroku customers. Heroku’s legacy system gave you predefined roles like admin, member, or collaborator, each with a fixed bundle of permissions. It replaces that system with fine-grained roles like view, deploy, operate, and manage, with specific capability sets. Access control is managed at an app-specific layer, giving your team the capability to tune individual access for each of your apps.

Heroku March 2026 Update

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:

Modernizing the Command Line: Heroku CLI v11

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 substantial: better performance, improved maintainability, and enhanced usability that simplifies how you manage Heroku resources from the command line.

Bigger Slugs and Greater Build Timeout Flexibility

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.

Preparing for Shorter SSL/TLS Certificate Lifetimes

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: Heroku already refreshes and updates certificates on your apps according to the new policies.

If you maintain and upload …

Whats New in Heroku AI: New Models and a Flexible Standard Plan

Heroku is introducing significant updates to Managed Inference and Agents. These changes focus on reducing developer friction, expanding model catalogue, and streamlining deployment workflows.

Code Execution Sandbox for Agents on Heroku

Large language models are good at writing code. Data from Anthropic shows that allowing Claude to execute scripts, rather than relying on sequential tool calls, reduces token consumption by an average of 37%, with some use cases seeing reductions as high as 98%.

Untrusted code needs a secure and isolated place to execute. We solved this with code execution sandboxes (powered by one-off dynos), launched alongside Heroku Managed Inference and Agents in May 2025.

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