• introduced COPY --if-exists which allows users to ignore errors which would have occurred if the file did not exist.
• introduced new ip_tables config option for controlling which iptables binary is used; fixes #1160
• introduced warning message when saving to paths above the current directory of the current Earthfile; these warnings will eventually become errors unless the --force flag is passed to SAVE ARTIFACT.
• bugfix for remote buildkit configuration options being ignored; fixes #1177
• suppressed erroneous internal-term error messages which occurred when running under non-interactive ( e.g. ci ) modes; fixes #1108
• changed help text for --artifact mode
• deb and yum packages no longer clear the earthly cache on upgrades