Enable support for Apache Arrow Allow using blosc compression via dev-libs/c-blosc2 Enable JSON parser Use app-text/mecab for morphological analysis Enable dev-libs/msgpack used for suggestion Enable stemming token filter using dev-libs/snowball-stemmer Build groonga-suggest-learner to learn suggest result from groonga-suggest-httpd or query logs Enable drilldown by hashed key using dev-libs/xxhash groonga/groonga