For now, Apple isn't saying much, and it's possible I'm overthinking the crumbs they've given us.
Search for "int" on line 5
，更多细节参见新收录的资料
Feedback on both 6.0 and 7.0 are very much appreciated, and we encourage you to try out both if you can.。业内人士推荐新收录的资料作为进阶阅读
For multiple readers，这一点在新收录的资料中也有详细论述