PostgreSQL 17’s JSONB engine now executes complex document queries up to 3.2x faster than PostgreSQL 16, closing the performance gap with dedicated document stores like MongoDB for read-heavy workloads—all while retaining ACID compliance and relational join capabilities that NoSQL alternatives lack. 📡 Hacker News Top Stories Right Now Where the goblins came from (657 points) Noctua releases official 3D CAD models for its cooling fans (259 points) Zed 1.0 (1872 points) Mozilla's Opposition to Chrome's Prompt API (89 points) The Zig project's rationale for their anti-AI contribution policy (302 points) Key Insights PostgreSQL 17’s new JSONB path index (jsonb_path_ops_v2) reduces index scan latency by 58-72% for nested document queries compared to PG16’s jsonb_path_ops. All benchmarks reference PostgreSQL 17.0 (tag: REL_17_0) from https://github.com/postgres/postgres , tested on AWS r6g.2xlarge instances with 64GB RAM.…