This just started happening today. Not tied to a specific package. I’ve seen it for babel-plugin-transform-remove-console-6.8.5.tgz and promise-7.3.1.tgz.
Is there something that is causing issues with yarn or npm or bitrise itself?
Seems like a (temporary?) yarnpkg.com issue.
Do you still see this to happen? Does any other network operation fail, e.g. the Git Clone step?