---
title: "Heroku March 2026 Update"
url: https://daily.dev/posts/heroku-march-2026-update-vu5itvei2
source_url: https://www.heroku.com/blog/march-2026-update/
type: article
source: "Heroku"
published: 2026-03-19T22:44:41.651Z
updated: 2026-03-19T22:45:03.006Z
tags: ["cli", "heroku"]
reading_time: 1
upvotes: 0
comments: 0
language: en
---

> ## Documentation Index
> Fetch the complete documentation index at: https://daily.dev/llms.txt
> Use this file to discover all available pages before exploring further.

# Heroku March 2026 Update

**[Heroku](https://daily.dev/sources/heroku)** · 1 min read · 0 upvotes · 0 comments

## Summary

Heroku announces three platform enhancements as part of its Sustaining Engineering model: slug size limit doubled from 500MB to 1GB to support AI/ML frameworks, longer build timeouts for complex compilations, and Heroku CLI v11 with a full architectural migration to ESM and oclif v4 for faster execution and better maintainability.

## Full article

daily.dev links to this article rather than hosting it. Read it at the original source: <https://www.heroku.com/blog/march-2026-update/>

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---

Tags: [#cli](https://daily.dev/tags/cli), [#heroku](https://daily.dev/tags/heroku)

[View this post on daily.dev](https://daily.dev/posts/heroku-march-2026-update-vu5itvei2)