Note, looking back at this issue in 2023 from Dockstore automatic sync stopped working for new tags - #2 by dyuen
Worth noting that the .dockstore.yml in the 4.2.0.0 tag
has no filters (i.e. the successful 4.2.0.0 release may have been successful due to the new (at the time) dockstore release and not the addition of filters.