- MediaWiki 1.27.0-rc.1 (5462877) <s>1.27.0-rc.0 (f502a0c)</s>
- PHP 5.6.22-0+deb8u1 (apache2handler) <s>5.6.20-0+deb8u1 (apache2handler)</s>
- ConfirmAccounts REL1_27 (071b0df)
On "Special:Login" the location of the system message is misplaced. A live example can be seen by accessing sandbox.semantic-mediawiki.org. Also see the file I uploaded.
This is probably related to the new AuthManager as tracked generally with T110291 and specifically with T110451. I am not absolutely sure though.