Stockfish Release Dates

Stockfish 1.0 (081102)
Stockfish 1.01 (081104)
Stockfish 1.1 (081206)
Stockfish 1.1a (081208)
Stockfish 1.2 (081229)
Stockfish 1.3 (090502)
Stockfish 1.3.1 (090503)
Stockfish 1.4 (090704)
Stockfish 1.5 (091004)
Stockfish 1.5.1 (091008)
Stockfish 1.6 (091222)
Stockfish 1.6.1 (091226)
Stockfish 1.6.2 (091230)
Stockfish 1.6.3 (100201)
Stockfish 1.7 (100407)
Stockfish 1.7.1 (100410)
Stockfish 1.8 (100702)
Stockfish 1.9 (101002)
Stockfish 1.9.1 (101005)
Stockfish 2.0 (110101)
Stockfish 2.0.1 (110104)
Stockfish 2.1 (110503)
Stockfish 2.1.1 (110508)
Stockfish 2.2 (111231)
Stockfish 2.2.1 (120106)
Stockfish 2.2.2 (120114)
Stockfish 2.3 (120915)
Stockfish 2.3.1 (120921)
Stockfish 3 (130430)
Stockfish 4 (130820)
Stockfish 4.5 DD (131129)
Stockfish 5 (140531)
Stockfish 6 (150127)
Stockfish 7 (160102)
Stockfish 8 (161101)
Stockfish 9 (180131)
Stockfish 10 (181129)
Stockfish 11 (200118)
Stockfish 12 (200902)
Stockfish 13 (210218)
Stockfish 14 (210702)
Stockfish 14.1 (211028)
Stockfish 15 (220418)
Stockfish 15.1 (221204)
Stockfish 16 (230629)
Stockfish 16.1 (240224)
Stockfish 17 (240906)

This can act as a map to figure out which dev builds belong to which engine. Until an engine is released, all dev builds are for the previous one. (Otherwise the day after you release Stockfish 16.1, you would be releasing the next commit, and boom, you'd have Stockfish 17.) :-) If you have a rating list, for instance, and you have the raw games, and want to simplify things, you can rename all the dev builds according to which engine they actually are. This is what I've been doing, and so this list comes in handy.