Revert "Disable BWC for backport of #78727" (#79101)
Revert "Disable BWC for backport of #78727" (#79101)

This reverts commit 5784755579f7e4cfbc38539ce2bb4f38c5f48071.
GlenRSmith/elasticsearch,GlenRSmith/elasticsearch,GlenRSmith/elasticsearch,GlenRSmith/elasticsearch,GlenRSmith/elasticsearch