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…
#platform updates
31 posts
19 Mar
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…
4 Sept 2025
The AI revolution presents a critical challenge: moving from experimentation to production. This year, Heroku has evolved beyond a traditional PaaS to become an AI PaaS, a fully managed platform designed to solve this problem and accelerate the delivery of AI-powered apps. With new capabilities like AppLink, Managed Inference and Agents, and MCP on Heroku, Heroku now provides a fully…
29 May 2025
We’re excited to announce the general availability of Heroku Postgres version 17, packed with new features and enhancements to your database performance. And that’s not all – we’re also introducing a game-changing feature that streamlines your upgrade experience. This new method of version upgrade is now the default, so you can try it to upgrade […] The post Heroku Postgres…
If you’ve ever deployed an app on Heroku, chances are you’ve used Heroku Postgres — our fully managed, reliable, and scalable Postgres database service. It’s the backbone for millions of applications, from weekend side projects to enterprise-grade systems running in production. But Postgres, like all software, continues to evolve. With new versions released each year, […] The post Heroku Postgres…
2 Mar 2024
2024 is going to be an exciting year at Heroku. Before we jump into 2024, let’s take a look back at 2023 and show you how we’re empowering developers to deliver amazing apps. First of all, we want to take a moment to thank you, our customers, partners, employees, and extended communities. Your passion for […] The post 2023: Delivering…
3 Aug 2023
We re-enabled payments to Heroku in India! At the start of August, we resumed accepting credit and debit cards issued by Indian financial institutions. From the engagement on our public roadmap, we know that there are many developers in India eager to get back on the platform. We want to address the work done to […] The post Heroku Card…
22 Feb 2023
We have a saying around the Heroku team thanks to our awesome engineering leader Gail Frederick. She reminds us of this often: “Feedback is a gift”. These are words we try to live by both internally and with our customers. Feedback: What is Heroku investing in? What has shipped? We had a very busy 2022! […] The post Heroku Feedback…
17 Aug 2022
Webhooks are a more secure, reliable, and powerful alternative to Deploy Hooks, and five years ago, we made app webhooks Generally Available. Today, we are deprecating Deploy Hooks and encouraging customers to migrate to app webhooks. Starting October 17, 2022, we will stop accepting new deploy hooks. Existing hooks will continue working until the product […] The post Sunsetting Deploy…
5 Oct 2021
Since April 2021, the Heroku Runtime team has been working to deploy upgrades to the infrastructure powering Common Runtime apps, and we’re excited to formally announce the performance improvements that customers are already seeing. When this Changelog post was published in May introducing the changes, almost all Common Runtime apps had been migrated from what […] The post Faster Dynos…
4 Dec 2020
JavaScript turns 25 years old today. While it’s made an impact on my career as a developer, it has also impacted many developers like me and users around the world. To commemorate our favorite language, we’ve collected 25 landmark events that have shaped the path of what the JavaScript ecosystem looks like today. 1995 1) […] The post Celebrating 25…
8 Jul 2020
When API requests are made one-after-the-other they’ll quickly hit rate limits and when that happens: If you provide an API client that doesn’t include rate limiting, you don’t really have an API client. You’ve got an exception generator with a remote timer. — Richard Schneeman Stay Inside (@schneems) June 12, 2019 That tweet spawned a […] The post How We…
30 Jun 2020
It is never easy to know how to react, communicate, or at times, even feel, during something as heartbreaking and real as the struggles that our fellow humans face through no fault of their own. As Herokai, we stand in solidarity with the Black Lives Matter movement and want to share some of our thoughts […] The post Black Lives…
1 May 2020
The other day, I was sitting at my work desk feeling too sedentary, too isolated, and altogether too down about my restricted life during this coronavirus pandemic. Then, an email popped into my inbox from one of my favorite Heroku customers. Active for Good was announcing their latest activity challenge starting on May 1st. Every […] The post A True…
8 Apr 2020
Alex Hendricks turns up the radio in the cabin of his ‘91 Ford LT8501. He’s drowning out the noise of the construction crew 100ft ahead as they make progress on a brand new bridge in Waco, Texas. Alex isn’t here to take in the sight of fresh new infrastructure. He’s in his truck waiting for […] The post How Ruckit…
2 Mar 2020
Meditation, like the foundations of software, is built on top of a binary state: an inhale and an exhale, a breath in and a breath out, a one and a zero. We often believe that to engage in meditation, we need to place ourselves in a room of absolute silence, to dress in comfortable linens, […] The post Culture at…
20 Feb 2020
Wade Wegner is SVP of Product for Salesforce Platform. On a recent and all-too-short trip to London, I was humbled to have developers in the community spend time with me and other product managers at the UK Salesforce Tower. Building on the massively popular open dialogue with developers that we initiated at Dreamforce last year, […] The post Join us…
4 Feb 2020
After a successful evaluation period, PostgreSQL 12 is now the default version for new Heroku Postgres databases and an available upgrade for existing databases. I want to emphasize a few key changes and improvements in Postgres 12: Native Table Partitioning Concurrent Operations Native Partitioning was introduced in PostgreSQL 10 and performance improvements for improved parallel […] The post PostgreSQL 12…
22 Apr 2019
Earth Day inspires millions of people around the world to take action on behalf of our beautiful planet. For some, this means getting out and volunteering for a day with an environmental group. For others, it’s about changing our daily habits to be more mindful about things like recycling, driving, or water usage. But a […] The post Finding Inspiration…
13 Jun 2018
On May 10, 2018, we received notice about two critical vulnerabilities in Redis, both embargoed until this morning. Upon this notice, our Data Infrastructure team proceeded to patch all internal and customer databases in response to these vulnerabilities. As of today, all customer databases have been patched successfully. At Heroku, customer trust is our most […] The post An Update…
22 Feb 2018
Kubernetes is a container orchestration system that originated at Google, and is now being maintained by the Cloud Native Computing Foundation. In this post, I am going to dissect some Kubernetes internals—especially, Deployments and how gradual rollouts of new containers are handled. What Is a Deployment? This is how the Kubernetes documentation describes Deployments: A […] The post Dissecting Kubernetes…
18 Jan 2018
Today, we’re excited to announce a major update to Heroku Postgres with a new lineup of production plans. These plans are the first component of Heroku Postgres PGX, the next generation of our managed Postgres solution. PGX Plans introduce larger database sizes, more generous resource allocations, and a broader set of options to suit your […] The post Heroku Postgres…
13 Jan 2018
2017 was a great year for Heroku and our users. We want to thank each of you for your feedback, beta participation, and spirit of innovation, which inspires how we think about our products and evolve the platform. In the past year, we released a range of new features to make the developer experience even […] The post 2017 Heroku…
13 Dec 2017
Jekyll, the static website generator written in Ruby and popularized by GitHub, is a great candidate for being run on Heroku. Originally built to run on GitHub Pages, running Jekyll on Heroku allows you to take advantage of Jekyll’s powerful plugin system to do more than convert Markdown to HTML. On my blog, I have […] The post Jekyll on…
28 Apr 2017
Need to quickly catch up on this past quarter's announcements? Here are the top three topics to tune in on: The new add-ons canary service will attempt to provision and deprovision your add-on service on an app named 'addons-canary'. These daily tests will help us proactively detect any failed provisioning attempts and ensure customers can […] The post FY18 Q1…
26 Apr 2016
Today we are happy to announce early access to Heroku Kafka. We think Kafka is interesting and exciting because it provides a powerful and scalable set of primitives for reasoning about, building, and scaling systems that can handle high volumes and velocities of data. Heroku Kafka makes Kafka more accessible, reliable, and easy to integrate […] The post Announcing Heroku…
26 Jan 2016
Today Heroku is announcing that Heroku Private Spaces is generally available. Introduced in beta in September, Private Spaces is a new Heroku runtime designed from the ground up to meet the trust and control requirements of the most demanding applications. This new architecture enables Private Spaces to deliver the best of both worlds: the easy […] The post Heroku Private…
23 Jan 2016
Rails 5 has been brewing for more than a year. To take advantage of new features, and stay on the supported path, you'll need to upgrade. In this post, we'll look at the upgrade process for a production Rails app, codetriage.com. The codebase is open source so you can follow along. Special thanks to Prathamesh […] The post Upgrading to…
4 Nov 2015
If your application is successful, there may come a time where you’re on an unsupported version of a dependency. In the case of the Heroku Platform API, this dependency was a very old version of Active Record from many years ago. Due to the complexity involved in the upgrade, this core piece of infrastructure had […] The post How We…
15 Jun 2015
Today we are announcing that Heroku’s new dynos are generally available. This new suite of dynos gives you an expanded set of options and prices when it comes to building apps at any scale on Heroku, no matter whether you’re preparing for traffic from Black Friday shoppers or deploying your first lines of code. Thanks […] The post New Dynos…
10 Jan 2014
Editor's note: This is a cross post from Blake Gentry, an engineer at Heroku. This is a post about the recently announced Heroku Platform API JSON Schema and how I used that schema to write an auto-generated Go client for the API. Heroku's API team has spent a large part of the past year designing […] The post Auto-generating a…