developer features

Tech Optimizer
September 25, 2025
PostgreSQL 18 introduces several enhancements, including: - Asynchronous I/O for concurrent processing of multiple I/O requests, improving throughput by up to 3x. - Retention of planner statistics through major version upgrades for smoother transitions and quicker performance optimization. - PG_UNICODE_FAST collation for improved text processing and accuracy in case transformations, along with support for LIKE comparisons using nondeterministic collations. - New developer features such as virtual generated columns, temporal constraints for PRIMARY KEY and UNIQUE constraints, and the ability to create foreign table schemas mirroring local table definitions. - Performance optimizations including skip scan lookups on multicolumn B-tree indexes, indexing improvements for OR conditions in WHERE clauses, and better planning and execution of table joins. - Support for hardware acceleration with ARM NEON and SVE CPU intrinsics for the popcount function. - Additional updates include support for OAuth 2.0, enhanced logging for logical replication write conflicts, and proactive freezing of pages during vacuum processes.
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