It seems that every time a blog post about Stackage comes out, someone comments on Reddit how excited they are for Stackage to be ready for GHC 7.10. Unfortunately, there’s still an open issue about packages that have incorrect bounds or won’t compile.
Well, as about 30 different package authors probably figured out today, I decided to take a crack at compiling Stackage with 7.10. This involved changing around some bounds, sending some pull requests, setting some expected test failures, and unfortunately temporarily removing a few packages from the build. But the result is well worth it: we now have a working build of Stackage with GHC 7.10!
To give some more information: this snapshot has 1028 packages, compared to 1106 for GHC 7.8. When updating the build-constraints.yaml file, I added the phrase “GHC 7.10” next to every modification I made. I encourage people to take a look at the file and see if there are any projects you’d like to send a pull request to and add GHC 7.10 support. If you do so, please ping me once the change is on Hackage so I can add it back to Stackage.
The question is: what do we do now? I’m interested in other opinions, but my recommendation is:
To ease the burden on package maintainers, LTS support cycles do not overlap. LTS 2 will be supported for a minimum of 3 months from its initial release (April 1, 2015), which is why LTS 3 will be released no sooner than July 1, 2015.
I’m quite surprised and excited that Stackage was able to move to GHC 7.10 so quickly. Thank you to package authors for updated your code so quickly!
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