Piwik support when updating on OJS 3.1.2

Dear Developing-team,

we tried to update one of our OJS journals to version 3.1.2, but the update script fails with:

PHP Fatal error: Uncaught Error: Call to undefined method PiwikPlugin::getTemplateResourceName() in /srv/www/htdocs/journals/testling/plugins/generic/piwik/PiwikPlugin.inc.php:108

Did you cease support for the Piwik plugin?

Oh! I just saw that ther is another tread on this: 3.1.2 upgrade error

So, probably I have to wait!