Merge "Deprecate jquery.arrowSteps module"

diff --combined RELEASE-NOTES-1.28
index 0b86bc2,03cba09..c3a91c4
--- 1/RELEASE-NOTES-1.28
--- 2/RELEASE-NOTES-1.28
+++ b/RELEASE-NOTES-1.28
@@@ -56,10 -56,9 +56,10 @@@ production
    the mw.Api instance seems to be for the local wiki.
  * After a client performs an action which alters a database that has replica databases,
    MediaWiki will wait for the replica databases to synchronize with the master database
 -  while it renders the HTML output. However, if the output is a redirect, it will instead
 -  alter the redirect URL to include a ?cpPosTime parameter that triggers the database
 -  synchronization when the URL is followed by the client.
 +  while it renders the HTML output. However, if the output is a redirect to another wiki
 +  on the wiki farm with a different domain, MediaWiki will instead alter the redirect
 +  URL to include a ?cpPosTime parameter that triggers the database synchronization when
 +  the URL is followed by the client. The same-domain case uses a new cpPosTime cookie.
  
  === External library changes in 1.28 ===
  
@@@ -144,7 -143,6 +144,7 @@@ changes to languages because of Phabric
    MediaWiki\Linker\LinkRenderer. In addition, the LinkBegin and LinkEnd hooks
    were replaced by HtmlPageLinkRendererBegin and HtmlPageLinkRendererEnd
    respectively. See docs/hooks.txt for the specific changes needed for those hooks.
 +* Linker::formatSize() was deprecated. Use Language::formatSize() directly.
  * Aliases for Linker methods, deprecated since 1.21, were removed from Skin:
    * Skin::commentBlock() (use Linker::commentBlock() instead)
    * Skin::generateRollback() (use Linker::generateRollback() instead)
@@@ -171,6 -169,7 +171,7 @@@
    phpunit.php: --regex and --keep-uploads. Instead of --regex, use --filter.
    Instead of --keep-uploads, use the same option to parserTests.php, but you
    must specify a directory with --upload-dir.
+ * The 'jquery.arrowSteps' ResourceLoader module is now deprecated.
  
  == Compatibility ==