A new feature called DeletableAccounts is expected to be enabled on the XRP Ledger today.
Currently, the DeletableAccounts amendment is expected to be enabled on 2020-05-08 (UTC), in roughly nine (9) hours.
This amendment comes with changes to some fairly fundamental details of the XRP Ledger protocol. If you use the XRP Ledger for your business, this is a good time to do a last check to make sure you're ready. For details, please read the following post on the XRP Ledger Blog: