Apropos real transformers, there is a new release candidate out for mtl 2.3: https://discourse.haskell.org/t/ann-release-candidate-for-mtl-2-3/3687 https://disc

Apropos real transformers, there is a new release candidate out for mtl 2.3: https://discourse.haskell.org/t/ann-release-candidate-for-mtl-2-3/3687 https://discourse.haskell.org/t/ann-release-candidate-for-mt...