Fortnite have confirmed through their social medias that Patch v5.30 will be releasing Thursday, August 23 at 4AM ET (0800 GMT) across all platforms.
Patch v5.30 is right around the corner! It will release later in the week on Thursday, August 23.
Week 7 Challenges will become available Friday, August 24.
— Fortnite (@FortniteGame) August 20, 2018
Week 7 challenges will be available the day after.