When you're indicating that a bed had a status change, say, last week (i.e. Edit Bed), the Effective Date field is ignored. So if I changed this bed to be out of service as of October 1, the date that actually gets stored for the bed status change date is today (current timestamp).
Recording: https://www.loom.com/share/3e975079b0044fc68aa620b5fef018c8?sid=72945616-2547-4bfe-a2e5-59239537e8af

Fixed in 4.0.60.1