BlueBuild blog

This is where the BlueBuild team publishes large announcements and writeups. Enjoy!

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default-flatpaks v2

2025-07-26

The module for adding Flatpaks has been rewritten with breaking changes. Learn why and how.

Introducing: the dnf module

2025-04-27

Finally, modern package management!

New CLI Features & Breaking Changes — v0.9.0

2024-12-06

Stay up-to-date on new CLI features and breaking changes related to custom modules.

Place your system configuration files in /etc/

2024-08-11

Why we're no longer recommending writing to /usr/etc/ in custom images of atomic Fedora

Updating the directory structure

2024-07-21

Why we're moving away from the config/ directory and migration instructions.

The Caching Update

2024-05-01

A recent BlueBuild CLI update makes builds and updates much faster. Learn how to take advantage of the improvements.

Introducing BlueBuild

2024-02-25

Per a mutual decision, Universal Blue's old custom image tooling has now been transferred to the BlueBuild org. Here's what you should know.