Noticed in Fatal-Monitor after deploying wmf.8 to all wikis:
Fatal error: request has exceeded memory limit in /srv/mediawiki/php-1.33.0-wmf.8/vendor/guzzlehttp/psr7/src/Stream.php on line 97
[{exception_id}] {exception_url} PHP Fatal Error from line 97 of /srv/mediawiki/php-1.33.0-wmf.8/vendor/guzzlehttp/psr7/src/Stream.php: request has exceeded memory limit