Historically, the "rack" gem was not part of Rails LTS, simply because it was maintained and released separate from Ruby...
Note You can find the updated guide here. We are pleased to announce that all versions of Rails LTS now...
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Even if you don't make any beginner mistakes like N+1 queries or missing DB indices, some requests can...
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The linked article shows how to configure omniauth-multi-provider to support multiple SAML identity providers for a single Rails...