Gems4 fluent-plugin-prometheus 2.3.0 52,107,592 September 02, 2026 fluent-plugin-flatten-hash 0.5.1 5,022,510 October 01, 2017 fluent-plugin-stdout-pp 0.2.0 47,940 October 01, 2017 fluent-plugin-bufferize 0.0.2 23,952 January 30, 2017