Currently, all issues related to the Key-Value subsystem are lumped together in the "base system" component, where they stand little chance of being discovered.
It would be good to add that component to the search list, and hopefully move the issues to it.
A few such isssues are:
- #2769955: KeyValueExpirableFactory incorrectly chooses its storage
- #2190723: Add a KeyValueStore\FileStorage to replace e.g. ConfigStorage
- #2927892: Add a way to exclude certain key/value collections from backups
- #1948694: KeyValue $conf overrides should not be services
- #2664322: key_value table is only used by a core service but it depends on system install