&quot;Master &#x2F; Slave are perfectly acceptable words in the English language and are very well understood and widely-used term in technology. Leader &#x2F; Follower as a metaphor does not describe the relationship as well. This change is objectively pointless and introduces inconsistent terminology. If you are offended by this term in some codebase then you most likely have too much time on your hands. Perhaps we can ask them to also change the name of the repo? Apple offends me and is inconsiderate because I think of Adam &amp; Eve and the devil...&quot;<p><a href="https:&#x2F;&#x2F;github.com&#x2F;apple&#x2F;swift&#x2F;pull&#x2F;165#issuecomment-161946382" rel="nofollow">https:&#x2F;&#x2F;github.com&#x2F;apple&#x2F;swift&#x2F;pull&#x2F;165#issuecomment-1619463...</a>