Fixes #17823, regression from supporting progress events of chunked encoding that was breaking CORS requests
Ref #15913. Fix 'useTarget' scope + elementFromPoint returns wrong element when the viewport is scrolled.
Updating metadata for 1.10.0-rc1
Updating source version to 1.10.0-pre
Updating metadata for 1.10.0
Updating source version to 1.11.0-pre
Output domReady errors through console.error, preserving the error
object and stack, fixes #17349
Fix inconsistent handling of declare.safeMixin when second argument is
undefined (throws error in IE8, no-op in other browsers), which fixes
Allow downstream error handling

Allow errors to be handled after rejection passes through unhandled
rejections, so rejections don't show as unhandled if downstream promises
handle them, refs #18131.
'event' is declared 3 times in fixTouchListener; fixed
Fail gracefully if there's an error detecting high contrast mode, fixes #16541.