I've confirmed that there were new heroes coming in 6.68, but there are also some new features coming. Here is a preview of a new gold mechanic that introduces the concept of Reliable vs Unreliable Gold.
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Reliable Gold" - Any bounty
you get from hero kills or from the extra "aoe kill gold" bonus (feature from few patches ago) is added to your Reliable Gold pool.
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Unreliable Gold" - It is everything else (creep kills, neutrals, etc).
Dying can only take away gold from your Unreliable Gold pool and not from your Reliable Gold. Buying items uses up your Unreliable Gold first before using your Reliable Gold.
An example: You have 910 total gold (500 Unreliable, 410 Reliable). If you buy Boots of Speed, you'll have 410 total gold left (0 Unreliable, 410 Reliable). However, if you bought Chainmail, you would have 360 Reliable Gold left.
The process is seamless to the user, you won't have to do anything extra to make it work. Your total gold is still displayed in the same place. Your Reliable Gold is displayed in your scoreboard title.
This is a new experimental idea that may be adjusted and tweaked over time depending on feedback and results after it is released. As always, let me know anything you want to see in future versi*****.
