microsoft/azure-linux-image-tools v1.3.0

v1.3.0

Repository: microsoft/azure-linux-image-tools

Tag: v1.3.0

Published: 2026-04-15T20:40:31Z

Prerelease: no

Release notes:

Breaking changes

None

Breaking changes for preview features

• In .output.artifacts.items API, remove the systemd-boot option and add the bootloader option.

New preview features

• Ubuntu support for removing and updating packages

New features

• Add option to output logs in JSON format (--log-format json).

Bug fixes

• During partition discovery, don't try to read kernel cmdline unless it is actually needed.
• Ensure that the partitions have a consistent ordering in a COSI file.
• Fix command path lookup of script's 'interpreter' value.
• Gracefully handle Azure data disks.
• Lots of fixes for hierarchical configs:
• Report an error when .storage is specified in a base config.
• Validate the .os values in the base configs.
• Ensure packages installLists, removeLists, and updateLists are used from base configs.
• Merge the .os.imageHistory enum from base configs.
• Ensure base configs .os.kernelCommandLine is used when bootloader is hard-reset.
• Run the .scripts from base configs.
• Make sure "Success!" log happens at the very end.
• When creating UKIs, don't create the /boot/efi/EFI/systemd/systemd-bootx64.efi file.
• For inject-files, create build directory if it doesn't exist.
• Trim filesystems after OS customization. For some scenarios, this can substantially reduce the size of a disk.

Doc fixes and improvements

• Remove stale references to cosi-compression preview feature.
• Add missing create, kdump-boot-files, and fedora-42 preview features previews.
• Breakout output image formats in distro support documentation.