从iOS 13开始苹果将 UIWebview 列为过期API
目前提交到 App Store 会反馈以下邮件提示： https://developer.apple.com/documentation/uikit/uiwebview
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Dear Developer,
We identified one or more issues with a recent delivery for your app, "AppName" 1.0 (1). Your delivery was successful, but you may wish to correct the following issues in your next delivery:
ITMS-90809: Deprecated API Usage - Apple will stop accepting submissions of apps that use UIWebView APIs . See https://developer.apple.com/documentation/uikit/uiwebview for more information.
After you’ve corrected the issues, you can upload a new binary to App Store Connect.
Best regards,
The App Store Team
So, 只不过是个警告罢了, 不理他, 能拿我怎样
于是, 苹果在年底发了通告: https://developer.apple.com/news/?id=12232019b: 
重点在最后一句: The App Store will no longer accept new apps using UIWebView as of April 2020 and app updates using UIWebView as of December 2020.
ps: 你爸爸还是你爸爸 Apple: 赶紧给老子改!
默默打开工程: Cmd+Shirt+f, 搜索UIWebView, 替换成WKWebView.
OK, 这下应该万事大吉了, 提交新版本试试. but, 又收到了90809警告, what fuck?
原来, 之前只是把项目中使用UIWebView的地方搜索出来了, 但是一些第三framework中并没有搜索得到
OK, 接下来, 看下哪些framework还在使用UIWebView, stack overflow
首先, cd 到App archive路径下
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$ cd ~/Library/Developer/Xcode/Archives/<date>/myapp.xcarchive/Products/Applications/myapp.app
然后使用下面的命令查找哪些framework在使用UIWebView(注意替换app名字)
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nm myapp | grep UIWeb for framework in Frameworks/*.framework; do fname=$(basename $framework .framework) echo $fname nm $framework/$fname | grep UIWeb doneOK, 根据打印信息, 可以清楚的看到哪些framework是罪魁祸首了