o snap_image: Port to non-deprecated ruamel.yaml API o flatpak_image: Make it possible to run appstream compose o git_repo: don't specify depth in fallback codepath o {pypi,cpan}: Use buildstream 2.2 API conditionally o Add go_module plugin o {git_repo,go_module}: Implement dulwich version check in preflight o Define API for exporting information for collect_manifest plugin o Add support for bearer HTTP authentication (pypi, cpan)