### Dependencies <!-- Link here any upstream changes that might be relevant to this request ---> ### Feature Request Sample pipeline ```groovy def myStage(name) { stage(name) { echo "$name" } } myStage('pre-parallel') parallel p1: { myStage('p1-0') parallel 'p1-1-1': { myStage('p1-1-1') },'p1-1-2': { myStage('p1-1-2') } myStage('p1-2') }, p2: { myStage('p2') } myStage('post-parallel') ``` Current graph:  Desired graph: ``` pre-parallel --- p1-0 --- p1-1-1 --- p1-2 --- post-parallel | \- p1-1-2 -/ | \- p2 -/ ```