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* Add instances `Semigroup` and `Monoid` for `Control.Monad.ST` (#14107).
+ * The `Read` instances for `Proxy`, `Coercion`, `(:~:)`, `(:~~:)`, and `U1`
+ now ignore the parsing precedence. The effect of this is that `read` will
+ be able to successfully parse more strings containing `"Proxy"` _et al._
+ without surrounding parentheses (e.g., `"Thing Proxy"`) (#12874).
+
## 4.10.0.0 *April 2017*
* Bundled with GHC *TBA*