Join:with some of the children empty

Build 1324 on dzucconi/feat/components-5
1200px
Reviewing disabled
The baseline is shorter than the new snapshot (1178x383 to 1178x393).
Baseline History
Build 1324e9b1952 current baseline
Current build. Accepted by Damon.
Build 1323a252ca1
Ancestor build. There were unaccepted changes, so this was not used as a baseline.
Build 1322074c0a7
Inherited baseline identical to build 1293
Build 1293fa1b869
Accepted by Damon.
Build 1241e5a64b5
Accepted by Damon.
Build 450b70bff7
Auto-accepted
Build 4480129882
Accepted by Kieran.
Commenting is disabled because there's a newer build on this branch