2.flutter版本

1.flutter github地址

https://github.com/flutter/flutter

2.flutter 版本升级

https://flutterchina.club/upgrading/

flutter upgrade 更新Flutter SDK和你的依赖包

flutter packages get获取pubspec.yaml文件中列出的所有依赖包

flutter packages upgrade 获取pubspec.yaml文件中列出的所有依赖包的最新版本

3.分支管理：

查看当前分支：flutter channel

切换分支：flutter channel master

4.版本升级遇到一些问题

fatal: early EOF

fatal: The remote end hung up unexpectedly

fatal: index-pack failed

error: RPC failed; curl 18 transfer closed with outstanding read data remaining

fatal: unable to access 'https://github.com/flutter/flutter.git/': SSL read: error:00000000:lib(0):func(0):reason(0), errno 10054

解决：git config --global http.postBuffer 1073741824

curl 56 OpenSSL SSL_read:SSL_ERROR_sysCALL

解决：git config http.sslVerify "false"