Release 4.0.4

• ENHANCEMENT - display success message after copying Status Info.
• FIX - Settings page does not open or slow when there is big amount of attachments.
• FIX - in multisite network, removing custom tables properly when deleting site.
• FIX - skip setting ACL in Stateless mode and during Sync for the buckets with Uniform access, support WP_STATELESS_SKIP_ACL_SET constant #712.