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0003160Dwarf FortressItemspublic2010-09-05 10:152017-05-31 21:32
Quietust 
Dwarfu 
normalminorhave not tried
confirmedopen 
0.31.12 
 
0003160: Fat does not rot
I've had over 400 globs of unrendered fat sitting forbidden in my garbage dump zone for nearly a year, and none of them have rotted yet, despite the fat template having both [ROTS] and [EMITS_MIASMA].
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Issue History
2010-09-05 10:15QuietustNew Issue
2010-09-05 14:24Logical2uNote Added: 0012429
2010-09-05 14:57QuietustNote Added: 0012431
2010-09-07 10:16FootkerchiefNote Added: 0012483
2010-09-07 11:18QuietustNote Added: 0012485
2010-09-07 15:56QuietustNote Added: 0012489
2010-09-18 21:31QuietustNote Added: 0012804
2013-07-03 09:03QuietustNote Added: 0024048
2016-01-17 17:44DwarfuAssigned To => Dwarfu
2016-01-17 17:44DwarfuStatusnew => confirmed
2017-05-31 21:32LociNote Added: 0036581

Notes
(0012429)
Logical2u   
2010-09-05 14:24   
1. Is it indoors?
2. There are reports that things are rotting really slowly right now. As in, more than a year for corpses to rot, sort of thing.
(0012431)
Quietust   
2010-09-05 14:57   
Yes, it's indoors. Corpses in the nearby refuse stockpile rot quite rapidly by comparison.
(0012483)
Footkerchief   
2010-09-07 10:16   
Uploading a save might be helpful for this one.
(0012485)
Quietust   
2010-09-07 11:18   
Save available here: http://dffd.wimbli.com/file.php?id=3075 [^]
(0012489)
Quietust   
2010-09-07 15:56   
I should also add that I don't think I've ever seen fat rot in previous versions either - I recall doing a test in 40d where I dumped a bunch of animal fat in an outdoor garbage dump and it never disappeared.
(0012804)
Quietust   
2010-09-18 21:31   
Just did a test in 0.31.13 where I let three stacks of fat (dog fat [13], dog fat [13], two-humped camel fat [15]) sit forbidden outdoors for over a year. They never rotted, though they did occasionally become "laced with water" when they got rained on.
(0024048)
Quietust   
2013-07-03 09:03   
This seems to be a historical issue - only specific item types can rot (as determined by how items are 'categorized' into subgroups for performance), and GLOB isn't one of them.

The complete list of rottable items, as of 0.34.11, appears to be as follows: CORPSE, CORPSEPIECE, REMAINS, MEAT, FISH, FISH_RAW, SEEDS, PLANT, LEAVES, CHEESE, FOOD, and EGG.
(0036581)
Loci   
2017-05-31 21:32   
Confirmed in v0.43.05x32.