[css-images-4] Changes since 2017

Author: svgeesus

css-images-4/Overview.bs

@@ -2331,6 +2331,37 @@ Note: No change from [[css3-images]].
 Changes {#changes}
 ==================
 
+<h3 class="no-num" id="changes-20170413">Changes Since the <a href="https://www.w3.org/TR/2017/WD-css-images-4-20170413/">13 April 2017</a> Working Draft</h3>
+
+<!-- to 3 Nov 2021 -->
+- Added &lt;color-interpolation-method> to all gradient functions
+- Added the -webkit-image-set() alias
+- Clarified the image-resolution property
+- Added type() to image-set()
+- Added &lt;element()> to &lt;image> data type
+- Defined image replacement case of loading images
+- Copied definition of computed &lt;image> from [[css3-images]]
+- Backported the editorial changes about color stops from [[css3-images]]
+- Properly specified behavior of image() when it contains only a URL, and that URL is invalid/loading.
+- copied definition of loading image from [[css3-images]]
+- Rewrote the color-stops section for better clarity
+- Added intro text and note talking about color stop lists
+- Switched color-stop grammar to repeat at end for readability
+- Clarified that object-fit and image-resolution use discrete animation
+- Fixed definition of cross-fade() image blending
+- Added placeholder section for the stripes() function
+- Moved interpolation of images from [[css3-images]]
+- Clarifed that cross-fade() takes 1+ arguments. Defined sizing and painting of the new function arguments in detail.
+- Moved cross-fade() from [[css3-images]]
+- Dropped "Media:" entry from propdef tables
+- Changed IDL partial interface to a namespace
+- Clarified unitless zero
+- Made scale-down a flag for cover/contain
+- Renamed module, shorter name
+- Moved image-set() from [[css3-images]]
+- Added new examples, corrected incorrect examples
+- Assorted markup fixes, corrections to property syntaxes, inline issues, spelling corrections, and minor editorial refinements
+
 <h3 class="no-num" id="changes-20120911">
 Changes Since the <a href="https://www.w3.org/TR/2012/WD-css4-images-20120911/">11 September 2012 Working Draft</a></h3>