Support for CSS image-orientation property

Category: CSS
Type: New or changed feature
Status: Enabled by default (Chrome 81)
Intent stage: Evaluate readiness to ship

Summary

Enable the CSS image-orientation feature, currently hidden behind a flag. Change the default value to from-image, and apply the property to all images, both content and style. In practice this means that the exif orientation, when present in an image, will be used to orient the image unless the "image-orientation: none" CSS property is present.

Motivation

The CSS WG recently decided on the new behavior for image-orientation. The default should be "from-image" with "none" as an alternative. https://github.com/w3c/csswg-drafts/issues/4164 Safari has shipped the feature with "from-image" the only value. That is, in Safari the Exif orientation is always used.

Standards & signals

Specification: https://drafts.csswg.org/css-images/#the-image-orientation
Firefox: Positive
Safari: Shipped/Shipping
Web developers: Positive — 153 stars for implementation of the feature, with many passionate comments.
Tracking bug: https://bugs.chromium.org/p/chromium/issues/detail?id=158753

Docs: None.

Explainers: https://docs.google.com/document/d/1j1UFC9zEzBpZ7BqxHhqBOTZxwfaTFLM0OqgIBoKt0rY/edit?usp=sharing

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