---
title: v0.27.2 - 22nd February 2021
slug: changelog/v0.27.2
---

* macOS: Prevent use of globally-installed ARM64 libvips with Rosetta x64 emulation.
  [#2460](https://github.com/lovell/sharp/issues/2460)

* Linux (musl): Prevent use of prebuilt linuxmusl-x64 binaries with musl >= 1.2.0.
  [#2570](https://github.com/lovell/sharp/issues/2570)

* Improve 16-bit grey+alpha support by using libvips' `has_alpha` detection.
  [#2569](https://github.com/lovell/sharp/issues/2569)

* Allow the use of non lower case extensions with `toFormat`.
  [#2581](https://github.com/lovell/sharp/pull/2581)
  [@florian-busch](https://github.com/florian-busch)

* Allow use of `recomb` operation with single channel input.
  [#2584](https://github.com/lovell/sharp/issues/2584)
