We noticed a sudden drop on the volume of tweets we get from the streaming API.
Update 1: This has been fixed. Thanks!
This issue was fixed shortly after the fix for the missing media entities was released, at around 19:40GMT 28/01/2014. However, the volume of tweets suddenly dropped again to 1/5th of the usual volume around midnight. Exactly like what happened when the entities field was missing.
UPDATE 3: This is now fixed. Thanks!