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Rubygems: Installing the last version of rubygems that has no rubyforge_project deprecation warning

You can install rubygems 3.0.8 (released on February 18, 2020) to keep all the Gem::Specification#rubyforge_project deprecation warnings away from your development log. With Rubygems >= 3.1 this deprecation warning was introduced. While maintaining older projects this could get quite annoying and the fix below might okey, for newer projects the right ways is to upgrade the gems.

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gem update --system 3.0.8

Example message:

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NOTE: Gem::Specification#rubyforge_project= is deprecated with no replacement. It will be removed on or after 2019-12-01.
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Emanuel De
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3 months ago
by Emanuel De
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