History of Flow::allows 1 change

In crates/hub/src/config.rs, lines 44–50 on 74be97962ed8cc548b9dad48f78252098803a8b6b4000d013d769a304f53105c. 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 44,50:crates/hub/src/config.rs.