New 39f is out.
Worldmap migrants have been made proper.
http://www.bay12games.com/dwarvesAdditions:
   (*) allowed basic expansion of 80x25 grid
   (*) gave world gen refugees entities and realized them as moving groups on the map after world gen
   (*) added notification and history event for reaching summits of peaks and volcanos in adv mode
Minor Changes:
   (*) added notification for low migration seasons
   (*) added object of worship to religion view in legends
   (*) made detailed map export respect new peak heights
   (*) locally steepened peaks a bit
   (*) added world name to top of history file
Bug Fixes:
   (*) fixed crash involving lava pushing objects
   (*) stopped many bottomless pits from having their upper portions filled with lava
   (*) made reclaim dwarves start with the proper civilian labors enabled
   (*) fixed problem causing just good or just evil params not to function
   (*) stopped message spam from pit/pond/chain/cage jobs where the animal is inaccessible
   (*) stopped note entry from conflicting with a few of the keys
   (*) made constructed ramps stick around even if you dig out the walls near them
   (*) fixed erroneous upper cap on detailed temperature export values
   (*) fixed problem that caused peaks to be raised in flat areas during erosion
   (*) suppressed erroneous "Zeroth" text for non-finalized history collections in dwarf-mode art descriptions
   (*) made usable/unusable option appear when metals are selected in weapon/armor stockpiles
   (*) fixed spacing problem with related hist fig race display
   (*) fixed problem with the evil/good conversion of very large subregions
   (*) fixed lockup from dragon fire modded civs in world gen army fights