[[mw:Extension:RSS]] has a configurable whitelist. It currently includes https://blog.wikimedia.org/feed/ for mediawikiwiki, but this directive doesn't allow feeds such as https://blog.wikimedia.org/c/technology/mediawiki/feed/ to be included.
Current configuration from https://noc.wikimedia.org/conf/InitialiseSettings.php.txt:
'mediawikiwiki' => array(
'http://blog.wikimedia.org/feed/',
'https://git.wikimedia.org/feed/mediawiki/extensions/Translate.git',
'https://mingle.corp.wikimedia.org/projects/analytics/feeds/8z8k6vUfniLmWc2qGe6GMQsxBujvKRKuybLd8mdTbMFHwGfLH3oxK*MU0E8zM6go.atom',
),
We should either add https://blog.wikimedia.org/c/technology/mediawiki/feed/ explicitly or whitelist all of https://blog.wikimedia.org/ (preferable).
Version: wmf-deployment
Severity: enhancement