The relevant line is 46:
```
_array pushBack _temp;
```
Disabling that makes the mission complete as usual.
It seems related to string escaping as on stable arrays from config are returned as:
> ["_temp","{""(0/2300)"",""(0/2260)""}"]
while in the latest dev branch its
> ["_temp","{}"]
(see and diff attached log files)
That said at the end of dev.log it shows a run with the pushBack active and the freezes happens already earlier.