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warning: reattach-to-user-namespace: unsupported new OS, trying as if it were 10.10

warning: reattach-to-user-namespace: unsupported new OS, trying as if it were 10.10

🌐 日本語で読む

After upgrading macOS from Catalina to Big Sur, I started seeing the following warning whenever I launched the terminal.

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warning: reattach-to-user-namespace: unsupported new OS, trying as if it were 10.10

A simple upgrade fixed it.

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$ brew upgrade reattach-to-user-namespace

Running `brew update --preinstall`...
...

Just a quick note to self.

I hope this helps.

kenzo0107

kenzo0107