---
title: v0.20.6 - 20th August 2018
slug: changelog/v0.20.6
---

* Add removeAlpha operation to remove alpha channel, if any.
  [#1248](https://github.com/lovell/sharp/issues/1248)

* Expose mozjpeg quant_table flag.
  [#1285](https://github.com/lovell/sharp/pull/1285)
  [@rexxars](https://github.com/rexxars)

* Allow full WebP alphaQuality range of 0-100.
  [#1290](https://github.com/lovell/sharp/pull/1290)
  [@sylvaindumont](https://github.com/sylvaindumont)

* Cache libvips binaries to reduce re-install time.
  [#1301](https://github.com/lovell/sharp/issues/1301)

* Ensure vendor platform mismatch throws error at install time.
  [#1303](https://github.com/lovell/sharp/issues/1303)

* Improve install time error messages for FreeBSD users.
  [#1310](https://github.com/lovell/sharp/issues/1310)

* Ensure extractChannel works with 16-bit images.
  [#1330](https://github.com/lovell/sharp/issues/1330)

* Expose depth option for tile-based output.
  [#1342](https://github.com/lovell/sharp/pull/1342)
  [@alundavies](https://github.com/alundavies)

* Add experimental entropy field to stats response.
