The problem is with the HitCounters extension. There's a bug already:

https://phabricator.wikimedia.org/T282897

You should be able to set $wgDevelopmentWarnings = false (which is the default) to disable deprecation warnings in production.

-- Tim Starling

On 30/5/21 12:53 pm, Jeffrey Walton wrote:

Hi Everyone,

We recently updated to Mediawiki 1.36. I'm testing some of our installed skins under it.

Use of Minerva Neue is causing this warning to be printed on the top of each page. I can't tell if it is a Minerva Neue issue, HitCounter issue, or HookContainer issue.

Deprecated: Use of SkinTemplateOutputPageBeforeExec hook (used in HitCounters\Hooks::onSkinTemplateOutputPageBeforeExec) was deprecated in MediaWiki 1.35. [Called from MediaWiki\HookContainer\HookContainer::run in /var/www/html/w/includes/HookContainer/HookContainer.php at line 137] in /var/www/html/w/includes/debug/MWDebug.php on line 376

I have no idea why we are running debug code on a production server. That looks like a separate issue. I'll have to check what I have mis-configured.

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