The white blobs issue appears to be improved, but not fixed, as of the latest patch. The one spot I've noticed it since is in the Mirror event, where the blobs used to cover about 1/4 of the sky, blindingly, and now are just large and unsightly.
Also, another bug that was fixed prior to S6 launch:
While the chef/bartender foods are back in the replicator, Ketrecel White still requires Dathan to be slotted on active ground duty. The prior fix made it replicateable as long as you had him anywhere on your roster.