v2026.1

Overview

This is a maintenance release focused on kernel-install integration improvements, package layering bug fixes, and a new no-initramfs compose option.

Key Changes

New Features

• no-initramfs: treefile knob (#5529) - Allows composing images without generating an initramfs, useful for specific deployment scenarios

Bug Fixes

• kernel-install drop-in config support (#5551) - Adds support for drop-in configuration directories when using layout=ostree, improving kernel update handling
• Package layering fix (#5510) - Fixes an issue where the base database was incorrectly used during idempotent transactions, improving reliability of package layering operations

Infrastructure & Maintenance

• Build/test infrastructure updated to mirror bootc patterns (#5525)
• Replaced unmaintained paste crate with maintained pastey fork (#5528)
• Memory optimization: avoid allocation in pre_exec closure (#5533)
• Updated ostree-ext dependency (#5553)
• Documentation links updated to current docs site (#5534)

New Contributors

• @RoyalOughtness made their first contribution in #5528
• @purplesyringa made their first contribution in #5533
• @danielhoherd made their first contribution in #5534

Full Changelog: v2025.12...v2026.1