Cube Core has officially launched its first major version, v1.0, during the Cube Rollup user conference, offering enhancements over the previous v0.36 version, along with a notable breaking change. The update includes query pushdown in the SQL API being enabled by default, which is managed by the CUBESQL_SQL_PUSH_DOWN environment variable, and is recommended for optimal use with BI tools. Users are encouraged to upgrade to this release and provide feedback through the Slack community, aiming to enhance the user experience and foster community engagement.