Dwarf Fortress Bug Tracker - Dwarf Fortress
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0001756Dwarf FortressDwarf Mode -- Tradepublic2010-05-05 01:402016-07-22 22:21
PC Toshibs SatelliteWindowsVista
0001756: Traders showing up extremely late in the season.
I'm not sure if this counts as a bug exactly, but traders are always showing up during the last month of the season, so that while not dilly-dallying myself, the actual trading is almost always happening in the next season. Happens with dwarfs, elves and humans in every game I've started.
Start a game and just wait until trading season rolls around. You'll probably need a depot too and active civilizations to trade with.
caravan, traders, trading
has duplicate 0003647resolved Logical2u Trade Caravan Arrives VERY Late in Season - Leaves Before Unloaded 
Issue History
2010-05-05 01:40LazygunNew Issue
2010-11-16 20:18Logical2uRelationship addedhas duplicate 0003647
2010-11-17 09:05Khym ChanurIssue Monitored: Khym Chanur
2010-11-17 17:34InsanityPreludeNote Added: 0013966
2010-11-17 17:36InsanityPreludeTag Attached: caravan
2010-11-17 17:36InsanityPreludeTag Attached: traders
2010-11-17 17:36InsanityPreludeTag Attached: trading
2010-12-08 07:23DwarfuTag Attached: Intentional/Expected?
2012-09-12 14:55QuietustNote Added: 0023566
2012-09-14 10:47FootkerchiefTag Detached: Intentional/Expected?
2016-07-22 22:21LociNote Added: 0035681
2016-07-22 22:21LociStatusnew => resolved
2016-07-22 22:21LociResolutionopen => fixed
2016-07-22 22:21LociAssigned To => Loci

2010-11-17 17:34   
I've noticed that in mine ever since the first 31.x versions. I thought it might be something to do with caravan arc framework, since they were otherwise staying for the usual amount of time.
2012-09-12 14:55   
This may be due to a change in the way the game keeps track of time - in 40d and earlier, time within a season was tracked as a decreasing number of ticks to the end of the season (starting at 10080 and decrementing every 10 frames), but version 0.31.01 changed that counter to count upward from zero instead. Most parts of the game were fixed to take this into account, but caravans and sieges are seemingly still using the old trigger times.
2016-07-22 22:21   
This appears to have been fixed; caravans now show up at the beginning of the season.