Vault has v1.0 because v1.1 was removed for some reason, but you can still download it from the original forum post: https://forums.faforever.com/viewtopic.php?f=41&t=17047
Best posts made by Nomander
@jip You get (3) when you place a new assist order on a damaged factory that is making units.
When the engi arrives to the assist position, if there is a unit in the damaged factory, it will get an order to repair the unit and then assist the factory. Notably this happens for every engi individually, so you will see many stacked orders like the old spread attack.
Pathing problems appear because repair range is dependent on unit size, and assist range is dependent on factory size. So a small unit like a destroyer will require the engis to move towards it to repair it.
Engis can get stuck pathing in the cycle of: arrive at assist position -> get repair + assist order -> move to unit to repair it -> unit finishes, rolls off, and factory starts new unit -> engi arrives at assist position after that happens
In addition, if the unit is destroyed in the damaged factory, all engis will again get repair orders on the next unit.
Summits for friendly-fire, an hq for making destroyers, and t1 engi spam show this off easily.
On a side note, you can drag orders like assist and repair onto in-progress units, which can get annoying for land and air facs where the unit and factory share the same location for orders.