Not quoting the scalar "%memcache.data_collector.class%" and "%memcache.data_collector.template%" starting with the "%" indicator character is deprecated since Symfony 3.1 and will throw a ParseException in 4.0
Hi! Thanks a lot for your contribution! Indeed we spotted that issue in some of our bundles, we missed this one. I will merge your PR now and release a new version.
Not quoting the scalar "%memcache.data_collector.class%" and "%memcache.data_collector.template%" starting with the "%" indicator character is deprecated since Symfony 3.1 and will throw a ParseException in 4.0