🚀 PostgreSQL 16 Upgrade Update Apache Cloudberry's main branch has successfully upgraded its PostgreSQL kernel from 14.4 to 16.9. To help users and contributors better understand the impact of this upgrade, we've published a detailed blog post summarizing major features, performance improvements, observability enhancements, security updates, and developer-facing changes introduced across PostgreSQL 15 and 16. Highlights include: • MERGE support • SQL/JSON enhancements • Parallel VACUUM • Memoize and optimizer improvements • pg_stat_io • Logical replication enhancements • Shared-memory statistics subsystem • Security and privilege model improvements The PostgreSQL 16 kernel is expected to be included in upcoming Cloudberry releases. 📖 Blog: https://cloudberry.apache.org/blog/postgresql16-for-apache-cloudberry-202606/ We'd love to hear your feedback and welcome testing from the community!