cabal info drops the most recent version from "Versions available"

[andreasabel]

$ cabal info QuickCheck 
* QuickCheck       (library)
    ...
    Versions available: 1.1.0.0, 1.2.0.0, 1.2.0.1, 2.10.1, 2.12.4, 2.12.5,
                        2.14.1, 2.14.2, 2.14.3 (and 52 others)
    ...

The most recent version is 2.15.0.1, and I wonder why it didn't make it into the blessed selection of available versions displayed by cabal info.

[ffaf1]

cabal/cabal-install/src/Distribution/Client/List.hs

Lines 762 to 772 in 7de199a

	-- | Reorder a bunch of versions to put the most interesting / significant
	-- versions first. A preferred version range is taken into account.
	--
	-- This may be used in a user interface to select a small number of versions
	-- to present to the user, e.g.
	--
	-- > let selectVersions = sort . take 5 . interestingVersions pref
	interestingVersions :: (Version -> Bool) -> [Version] -> [Version]
	interestingVersions pref =
	map (mkVersion . fst)
	. filter snd

This might be the place.

[andreasabel]

QuickCheck 2.15 is deprecated, but 2.15.0.1 not. Maybe there is a bug in handling the preferred versions.

QuickCheck <2.11 || >2.11 && <2.11.1 || >2.11.1 && <2.11.2 || >2.11.2 && <2.12.6 || >2.12.6 && <2.13 || >2.13 && <2.15 || >2.15

Anyway, this interestingVersions code is the stuff we love too look at: Some ad-hoc algorithm, no documentation, no tests...