From #11634, we're missing these language extensions: - [ExplicitLevelImports](https://ghc.gitlab.haskell.org/ghc/doc/users_guide/exts/template_haskell.html#extension-ExplicitLevelImports) - [ImplicitStagePersistence](https://ghc.gitlab.haskell.org/ghc/doc/users_guide/exts/template_haskell.html#extension-ImplicitStagePersistence)
