PVP proposal: no upper bounds on non-upgradeable packages

Thu Apr 10 09:43:24 UTC 2014

On 2014-04-10 at 06:25:24 +0200, Michael Snoyman wrote:

[...]

>> What version of GHC was this package successfully built against? As was
>> discussed elsewhere, perhaps base and other core packages should have fewer
>> breaking changes instead.

> Are you aware that there's a tested-with field in cabal for exactly that
> purpose? I'm not sure why you'd prefer a proxy variable with side-effects
> to the real thing.

This is a cabal field I've been wondering about already.
What is this 'tested-with' field actually used for (or what was its
original motivation)? Are there tools actually interpreting it?