10.0.2

• Removed -ms-user-select: all because IE and old Edge don’t support it.
• Fixed Grid Layout warning.

10.0.1

• Fix PostCSS 8.1 compatability.
• Add our OpenCollective to package.json.
• Clean up code (by @SukkaW).

10.0 “Alis volat propriis”

Autoprefixer 10 is based on top of PostCSS 8 (check Known Issues section before updating).

Node.js 6.x, 8.x, 11.x support was removed.

Now you need to install Autoprefixer by npm install --save-dev autoprefixer postcss. We moved postcss from dependencies to peerDependencies according to new PostCSS plugin guidelines.

9.8.6

• Fixed env option.

9.8.5

• Improved Grid Layout warnings (by @Dan503).
• Fixed align-self and justify-self with display: flex (by @Dan503).

9.8.4

• Replace color output library.

9.8.3

• Return old non-LTS Node.js versions to avoid breaking changes.

9.8.2

• Remove Node.js 13.0-13.7 from supported engines, because of buggy ESM support.

9.8.1

• Replace chalk to kleur (by @lukeed).
• Update docs (by @mbomb007).

9.8 “Vigilo Confido”

Autoprefixer 9.8 brings IE support for :placeholder-shown.

Placeholder Shown

@tkrotoff found that input:placeholder-shown can be emulated with input:-ms-input-placeholder.

input:-ms-input-placeholder {
  box-shadow: 0 0 0 1px blue;
}

input:placeholder-shown {
  box-shadow: 0 0 0 1px blue;
}

Note, that we already had support for ::placeholder. Selector ::placeholder is for the text of the placeholder. :placeholder-shown is for the input, where placeholder text is shown. In ::placeholder you can’t change the border or size of the <input>.