No 'category' field.
No 'maintainer' field.
The 'license' field is missing or is NONE.
'ghc-options: -threaded' has no effect for libraries. It should only be used for executables.
'ghc-options: -rtsopts' has no effect for libraries. It should only be used for executables.
'ghc-options: -with-rtsopts' has no effect for libraries. It should only be used for executables.
Packages relying on Cabal 1.12 or later should specify a specific version of the Cabal spec of the form 'cabal-version: x.y'. Use 'cabal-version: 1.12'.