The pushback is too allow for more time to work on "richer, more immersive multiplayer". They also affirm that XP earned during the beta will not be reset for pilots.
The new dates for international release are November 12th and 13th. Beta testers will be rewarded by an even distribution of the collective XP during the beta.
“We are committed to releasing a great title and are doing everything to ensure that World of Warplanes gets the final polish we believe the game needs,” said director Vlad Belozerov. “The extra time will allow the development team to fine-tune the game balance and make sure that every feature is top-notch before launch.”
The latest update to World of Warplanes is patch 0.5.3 and it's available.
Visit theto play the open beta for World of Warplanes.