每次我运行命令flutter channel master/stable,然后运行flutter upgrade,似乎正在下载一个新的Dart SDK和许多其他suff (参见下面的输出),所以,切换并不容易> flutter channelstablegit: Your branch is up to date with'origin/s
[feature(default_alloc_error_handler)]` for a default error handler.[feature]` may not be used on the stablereleasechannel
--> /home/thoth/.cargo/registry/src/github.com[cfg_attr(feature = &qu
instantiate proposal resulted in an error :: Error: as V1_2 or later capability is not enabled, private channelcollections and data are not available"} 我将capabilities部分添加到artifacts/channel/configtx.yaml文件中,但错误仍然存在