How does Anthropic's "Scion," created after moving away from git, differ from GitHub?

Anthropic's self-built version control system, "Scion," performs both commits and merges on the server side, and the server ...

Anthropic ditched Git for its own version control system because Claude is writing too much code

Anthropic detailed the system in a recent engineering post, reporting that it averaged about 2,500 merged code changes a day ...