{"date": "2026-10-12", "from": {"k": "unit", "s": "runner", "n": "staged-reference-derivation > preserves every diamond path with bounded derivations in bottom-up order"}, "to": {"k": "unit", "s": "runner", "n": "staged-reference-derivation > reaches the leaf through every diamond path and stores none of its labels in bottom-up order"}}
{"date": "2026-10-12", "from": {"k": "unit", "s": "runner", "n": "staged-reference-derivation > preserves every diamond path with bounded derivations in top-down order"}, "to": {"k": "unit", "s": "runner", "n": "staged-reference-derivation > reaches the leaf through every diamond path and stores none of its labels in top-down order"}}
{"date": "2026-10-12", "from": {"k": "unit", "s": "runner", "n": "staged-reference-derivation > refuses an unsupported carried reader below a shared source"}, "to": {"k": "unit", "s": "runner", "n": "staged-reference-derivation > drops a carried reader below the root of a reference to a shared source"}}
{"date": "2026-10-12", "from": {"k": "unit", "s": "runner", "n": "staged-reference-derivation > recomputes a shared graph after its source label changes"}, "to": {"k": "unit", "s": "runner", "n": "staged-reference-derivation > reaches a source's changed label through a graph staged before the change"}}