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Anyone know what Matt Mackall is up to these days? He started Mercurial and got people involved early on with a lot of enthusiasm, you could tell he cared about what he created and the people who joined him ("hg crew"). I learned a lot from him on how to think like an engineer and saw him manage different personalities in the project in a kind and sincere way (I think this was around ~2010).

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FYI: Matt Mackall is now Olivia Mackall [1], so that can make searching for things harder. Looks like they work at Valve, now? Agreed that they were a really stabilizing and healthy personality in the project, and made a lot of good early decisions, which Mercurial has continually benefited from. Eg: the commitment to backwards-compatibility [2].

[1] https://repo.mercurial-scm.org/hg-stable/rev/d4ba4d51f85f

[2] https://wiki.mercurial-scm.org/CompatibilityRules

Olivia uses she/her, and I believe she is now retired :)

I owe her and the Mercurial community a great debt. The community taught me how to think like an engineer building infrastructure and the importance of backwards compatibility, something I've tried to carry forward in tools like cargo-nextest.

+1 I learned so much about software engineering (Software design, network protocol incl how to handle backward compat in sane ways, ...) thanks to the mercurial community.

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