History of Retention::default 2 changes

In crates/hub/src/config.rs, lines 229–231 on 7b26e6118bc0aa60ea3f2495fd7cf09f50f30da63472a67db06990408098b2d9. Every change that wrote or deleted one of these lines, or deleted a line from between them. Exact, because each line keeps its identity across edits; edits elsewhere in the file are not here. Also: oxy log -L 229,231:crates/hub/src/config.rs.