In order for handler engines, e.g. columnstore, to collate correctly and identically to innodb, we need access to the same collation code as the server. currently this code is included in server as object files, making it difficult for other projects to include it. This JIRA is a request to include the code in a shared library accessible by both the server and engines.
Note that having it as service is not enough, because some engines (e.g. columnstore) has separately running binaries that needs to collate strings too.