Other decisions were slightly less clear cut. At one point in WoW’s history, there was an 8 debuff limit on any one target. This was later raised to 16, and today there is no debuff limit. Thes change radically changed the balance of classes and strategies players could employ when using these debuffs to overcome content. To preserve that balance—and to avoid the slippery slope of retuning patch 1.12 data to compensate for such modern-era changes—we’re looking at setting a debuff limit of 16 for WoW Classic.
Nov 15 Dual Boxing in Classic I was seriously thinking about being a masochist and playing a paladin in classic but then I wondered if dual boxing will still be possible in classic with the change in engines running the game. I've never dual boxed so will have to research how it works. However, it hit me that I can dual box a warrior and a priest then transfer the priest to my main account at 60 so I will have the best tank and best healer in the game to play around with. Anyone else planning on doing this and have any good resources to start learning about it?Twiinkedd6	Nov 15 

The first—and among the most important—decision we had to make was which version of the game to focus on. As many of you have noted, the classic period was two years long and full of changes. Core features like Battlegrounds were introduced in patches after WoW’s original launch, and class design similarly changed over time. After careful consideration, we decided on Patch 1.12: Drums of War as our foundation, because it represents the most complete version of the classic experience.
Nov 13 WoW Classic BlizzCon Demo Pre-Download Hi everyone! We’re incredibly excited for you all to get your hands on the WoW Classic BlizzCon demo next week, and to help make things as smooth as possible, we’re making the client available to download for Virtual Ticket holders starting today. Over the next 24 hours, we’ll be enabling the ability to download the WoW Classic demo through the Battle.net app for players who have purchased the BlizzCon Virtual Ticket, as well as standard BlizzCon ticket holders who have added their Virtual Goodies code to their Battle.net account. If you don’t see the option to install the demo right away, don’t worry – you’ll still have plenty of time to download the client before the demo goes live during BlizzCon next week. We can’t wait for you to get a peek at what we’ve been working on, and hope you enjoy this preview of what’s to come!Ythisens156 Nov 13
Another hurdle we had to overcome was how to store and merge our data. World of Warcraft has multiple updates or patches in development at any one time, each in a different stage of development. If an art asset or terrain file is added to one patch, the system is designed so that it also automatically shows up in later patches. This meant that If we had simply inserted a new patch for WoW Classic into the current development environment, we would have overwritten things like the current broken dam in Loch Modan with the previous intact version—and as you can imagine, this would have caused issues for Battle for Azeroth.
You will have to talk with flight masters in most towns or cities you visit in order to gain access to that settlement's flight path. Flight masters who have a stop you have not yet unlocked will have a green displayed above their head (and on the mini map), much like a NPC with a quest. Unlocking flight paths as you progress through various zones will allow you to pay for a quick ride to a destination you have previously visited. This method of travel is significantly faster than walking or riding a mount.
To get past these hurdles, the team looked at what we liked (art and data) of what we had and what we didn’t like (the code). We wanted to see if we could utilize classic art assets and data within our modern code and get things to play nicely together. Things didn’t quite work right out of the gate, but with some trial and error, we were able to pull together a proof of concept of how to get things to work together and have something playable. This built our confidence that we could deliver a Blizzard-quality experience with the modern platform. 
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