In nearly every version of Chrome, we see a significant number of updates and improvements to the product, its performance, and also capabilities of the Web Platform. This article describes the deprecations and removals in Chrome 55, which is in beta as of October 21. This list is subject to change at any time.
Resources with non-script MIME types can no longer be executed
Previous versions of Chrome allowed content to with several non-script
to be executed as script. In addition to the obvious security vulnerability,
this problem also reduces the value of
content security policy
The implementation of
SVGSVGElement.viewPort has not worked in Chrome
since 2012. The attribute is not present at all in other browsers and
it has been removed from the specification. For these reasons the property was
deprecated in Chrome 54 and has now been removed.