---
title: "Heroku API changes, deprecations and deadlines | Harbyn"
description: "Heroku: 1 upcoming deadline and 10 recorded changes as of 2026-10-25, each with its source."
canonical: "https://harbyn.com/vendors/heroku"
last-updated: 2026-10-25
---

# Heroku: API changes and deadlines

Markdown version of <https://harbyn.com/vendors/heroku>.

Cloud. 1 upcoming deadline, 10 recorded changes. Every entry cites the Heroku page we read it from.

## What we read

The Heroku pages and feeds our ingestion visits, politely and on a schedule.

- **Changelog**: <https://devcenter.heroku.com/changelog>
- **Deprecations**: <https://devcenter.heroku.com/articles/stack>
- **Changelog**: <https://api.github.com/advisories?affects=@heroku-cli/command&per_page=20&sort=published&direction=desc>

## What the scanner looks for

How `harbyn scan` recognises Heroku in a repository, on your machine. Nothing leaves it.

- **Packages**: `npm @heroku-cli/command`
- **API hosts**: `api.heroku.com`

## Upcoming deadlines

| Deadline | Change | Use instead | Details | Source |
| --- | --- | --- | --- | --- |
| Apr 2027 | Heroku-22 stack is deprecated, supported through April 2027 | - | <https://harbyn.com/changes/heroku/2026-10-08-heroku-22-is-deprecated.md> | <https://devcenter.heroku.com/articles/stack> |

## Change history

Newest first, by the date Heroku announced it. This is the archive: past changes are not warnings, and changes we recorded after they took effect are marked as such.

### October 2026

- Oct 21, 2026, Feature: [Node.js versions now available](https://devcenter.heroku.com/changelog)
- Oct 21, 2026, Feature: [Platform API documents OAuth Session operations](https://devcenter.heroku.com/changelog)
- Oct 21, 2026, Behavior change: [Python build tools updated](https://harbyn.com/changes/heroku/2026-10-21-python-build-tools-updated.md)
- Oct 20, 2026, Feature: [Go versions now available](https://devcenter.heroku.com/changelog)
- Oct 16, 2026, Feature: [.NET SDKs 8.0.132, 8.0.426, 9.0.122, 9.0.319, 10.0.113 and 10.0.402 now available](https://devcenter.heroku.com/changelog)
- Oct 15, 2026, Feature: [Node.js 26.12.0 and 24.22.0 now available](https://devcenter.heroku.com/changelog)
- Oct 14, 2026, Feature: [Managed Inference and Agents adds Claude Haiku 5.5, Opus 5.5, Sonnet 5.5 and Fable 5.1](https://devcenter.heroku.com/changelog)
- Oct 14, 2026, Feature: [Heroku Connect supports Salesforce API v68.0](https://devcenter.heroku.com/changelog)
- Oct 14, 2026, Behavior change: [Python buildpacks updated to Pipenv 2026.9.1 and uv 0.13.1](https://harbyn.com/changes/heroku/2026-10-14-python-buildpacks-updated-to-pipenv-2026-9-1-and-uv-0-13-1.md)