I am pleased to announce the release of haskell-src-exts-1.17.0! 

Hackage: https://hackage.haskell.org/package/haskell-src-exts-1.17.0 
GitHub:  https://github.com/haskell-suite/haskell-src-exts 

This release brings bugfixes, as well as the following language 
features: 

* Type wildcards and expression holes (#252).
* Pattern Synonyms (#197).

The full changelog is available at 

https://github.com/haskell-suite/haskell-src-exts/blob/1.17.0/CHANGELOG

This release is brought to you by:

Matthew Pickering
Michael Walker
Simon Marlow
Neil Mitchell
JP Moresmau
Артур Файзрахманов
phischu
Michael Sloan
m00nlight
Niklas Broberg
Stijn van Drongelen
Jakub Kozlowski
Leonid Onokhov

Matthew Pickering is a force of nature who deserves a special mention
for all his contributions to this release.

Peter