Replace String.trimRight() with regex in order to support IE10+
Add utils/Compatibility.js for shims, with shims for String trimRight, trimLeft
Rework utils/Compatibility loading as per review
Allow the user to drag faster
defer most processing until after delay
Image optimization.
Make the window the holder
Prevent extensions from using window.open() as a quick way to show the user
general, untrusted web content. Throw exception pointing out the 'right'
safe API to use. Still allows file: URLs and relative paths (which are by
definition file: too, and used by Debug > Run Tests).
Finnish translation update (release 0.42)
Allow window.open() with about:blank too (one extenion is using this, and
it's generally useful for programmatically generated UI)
Created index.html in Dutch language

Index.html file for "Getting started" ("Aan de slag")
Sort localization by iso country code.
Added Traditional Chinese.
Merge pull request #8373 from valtlait/patch-1

Finnish translation update (release 0.42)
Prefix "commit_" to "SHA_of_root_strings.js".
My first thought of previous sentence was the hash of the actual strings.js.
Recommend adding commit tracking comment in index.html.
Described the "Getting Started" folder name localization limitation.
Fixed typo.
Fixed another typo :(
Fix the issue with parsing @keyframes.
Also add a test case and update some test files to capture the issue with @keyframes parsing.