From the Blizzard post, it has been confirmed that WOW Classic closed beta has returned to affirm all the bugfixes are actually working well. Until August 16, you can enter into the beta realms constantly to enjoy and test the updated WOW Classic.
Details of WOW Classic closed beta returning
From your feedback, Blizzard has known WOW Classic Beta bugs and has fixed all the issues. Now, the closed beta comes back to examine whether the bugfixes take effect indeed or not. There are some main changes you need to know related to the returned beta.
1. The level cap has been increased to 45. And there is no need to be afraid of having no much time to level, because there are already level 40 premades added by Blizzard.
2. Characters created on the beta test realms has been removed, and level 40-character templates are available now.
3. There are some quests corresponding to the character's level 40-45 such as Stranglethorn Vale, Swamp of Sorrows, Dustwallow Marsh, and Desolace.
4. Players who accessed to the closed beta previously are now able to log into those realms.
Note: The WOW Classic Beta will run for three days until Aug 16.
If you encounter issues when testing WOW Classic, please submit them by using the in-game Bug Report button as before. Also, you can take your issues to WOW Classic Support and Bug Report forum 18 provided you need more text space to explain the encountered issues. What is more, contact us to purchase cheapest WOW Classic gold safely and fast. WOWClassicGP.com will be the wisest choice!
The WOWClassicGP Team