Hi everyone,
myxwiki.org has been upgraded to XWiki 12.3. If you own a wiki hosted there you should have a look at the release notes for this version at:
https://www.xwiki.org/xwiki/bin/view/ReleaseNotes/
You should automatically get an upgrade wizard for your wiki when you login as admin.
For more details see the upgrade guide available at :
https://platform.xwiki.org/xwiki/bin/view/AdminGuide/Upgrade#HUpgradingwikidocuments
To be notified of the myxwiki.org server upgrade you can follow myxwiki on twitter:
x.com
Thanks,
-XWiki Community