================= buildstream 1.2.1 ================= o Fixed corruption of artifact cache at cache cleanup time (#623) o Fixed accidental deletion of artifacts when tracking is enabled o Error out when protected variables are set by project authors (#287) o Fixed option resolution in project wide element & source configurations (#658) o Error out gracefully when push remote is mal-specified (#625) o Improved logging regarding skipped push / pull jobs (#515) o Fixed crash in `bst fetch` when project.refs and source mirroring are in use (#666) o Removed blessings dependency o Support for batch file downloads on the artifact cache server