use yarn 1.21.1 (latest rc)

[southerneer]

https://yarnpkg.com/lang/en/docs/cli/policies/#toc-policies-set-version

[southerneer]

Hmm, I don't understand the circleci error message:

#!/bin/bash --login
yarn

/usr/bin/env: ‘node\r’: No such file or directory

Exited with code exit status 127

I'm guessing it's related to the fact that we're upgrading the package manager itself. @aksonov @bengtan could you guys try this PR when you get a chance and let me know if it works?

[bengtan]

/usr/bin/env: ‘node\r’: No such file or directory

When I try this PR and do a yarn, I get this error on macOS but I don't get this error on Ubuntu.

Not sure yet.

[aksonov]

I have the same error. I think it is something wrong with publishing that version, like that:
darkguy2008/parallelshell#58

[bengtan]

The (husky?) pre-commit hook is modifying yarn-1.21.js.

Alternative PR: #4602

[bengtan]

Closing in favour of #4602.