v2.3.5 update fix?
GuzzleHttp\Exception\ConnectException: XenForo upgrade check failed: cURL error 6: Could not resolve host: upgrade-check.json (see https://curl.haxx.se/libcurl/c/libcurl-errors.html
Stack trace
#0 src/vendor/guzzlehttp/guzzle/src/Handler/CurlFactory.php(158)...