As have announced server migration and improvements will start in ~3 hours and should not be longer than few hours!
Note that most functionality of eSteem will continue to operate until maintenance is done.
Migration will not impact:—
-Posting
-Commenting
-Voting
-Transfer
-Any blockchain operations
Migration will impact:—
-Bookmarks
-Drafts
-Image uploads
-Notifications
We are estimating that migration will take ~1 or 2 hours maximum.