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The APT installer for the CLI should create a file in deb822 format on Ubuntu 26.04

Open Beginner friendly
#3,974 2 comments 0 reactions 1 assignee View on GitHub

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@ChipV223 is already working on this.

Since Oct 9, 2026.

Assessment

Difficulty
2/5
Estimated time
1-3 hours
Newbie friendliness
68/100
Issue type
Feature
Clarity
Mostly clear
Activity status
Active
Tech stack
cli, typescript
Domain
cli

Research direction

Start by locating the APT installer and its existing creation of heroku.list; the issue does not name a file or test, so search the CLI repository for that filename. Check how the installer writes APT sources and what tests cover it. Done when the Ubuntu installer creates heroku.sources in deb822 format instead of heroku.list, with relevant tests passing.

Written by the indexing model from the issue text.

Description

Ubuntu has migrated the apt config to the dev822 format by default. It would be great if the installer could create a heroku.sources file in deb822 format instead of the heroku.list file.

Dominant language
TypeScript
Stars
888
Forks
236
Avg merge
1d 15h
Merged PRs (30d)
36

Getting set up

First steps

  1. Read the whole issue, then the project's contributing guide.
  2. Comment on the issue to say you are picking it up — it saves two people doing the same work.
  3. Fork the repository and make your change on a branch.
  4. Open a pull request that references the issue number.

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