---
title: v0.17.2 - 11th February 2017
slug: changelog/v0.17.2
---

* Ensure Readable side of Stream can start flowing after Writable side has finished.
  [#671](https://github.com/lovell/sharp/issues/671)
  [@danhaller](https://github.com/danhaller)

* Expose WebP alpha quality, lossless and near-lossless output options.
  [#685](https://github.com/lovell/sharp/pull/685)
  [@rnanwani](https://github.com/rnanwani)
