is mac version working fine with metal support and how much performance improvement I can expect from it?
We haven’t focused performance currently. As simple testing, currently, there is not performance improvement, just the same as before. After uniform setting modification, i think it will have about 10% performance improvement. We will focus on performance improvement after finishing metal integration.
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Because of the delay of refactor uniform setting, we could not release alpha0 version last week. Sorry about that. We will try to release it in this week.
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‘deprecated/CCArray.h’ file not found Error
@zhangxm
Thanks for the hard work , just to be clear currently beside the alpha version which supports metal
if i develop game with the latest cocos2dx build it not going to work on the latest ios devices ?
Could you please show me how to reproduce it? Because we tested on mac/iphone/android/windows，but didn’t meet the error.
Yep, just this alpha0 version supports metal. It is in alpha0 version, so i don’t suggest you using it in commercial projects. You can just download and play with it to report bugs or ask needed features. Thanks.
metal-support-alpha0.zip file download and try to run project but its throw error
Sorry, currently, only cpp-empty-test and cpp-tests works, so you can not build all tests.
refer to https://forums.developer.apple.com/thread/31120
You can’t run metal on iOS simulator, so after you select a iOS Device, above error will gone.
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LOL, really…?!!
Yep, metal doesn’t support simulator.
Why does cpp-empty-test don’t have xcode project and how can I create proper proj to test my api with new metal backend?
upd. never mind. make proj by myself but maybe some instructions will be handy
upd2:
new draw node works differently - dose it use different shader?
this screenshot from os x with new backend draw node:
previously it was smooth 
What repo did you use? Now backend is integrated into cocos2d-x in metal-support branch.