PostgreSQL Documentation All Versions (v9-19)

🚀 PostgreSQL 19devel (Master Branch)

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Focus: The future of PostgreSQL, focusing on storage engine refactoring and high-scale transaction management.

• Architect’s Series (Coming Soon on DatabaseDevPro):
  • 64-bit Transaction IDs (XID) Deep Dive
  • SLRU Cache Refactoring Analysis
  • Upcoming Storage Engine Enhancements
  • PostgreSQL 19 Roadmap & Architectural Goals
  • Experimental Feature Benchmarking
  • Contributing to PostgreSQL 19 Core

🔥 PostgreSQL 18.3 (Stable)

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Milestone: Introducing native asynchronous capabilities and modern identifier standards.

• Architect’s Series:
  • Mastering Native Asynchronous I/O (AIO)
  • Implementing UUID v7 for Distributed Systems
  • Performance Gains in v18 Query Planner
  • v18 Backup & Recovery Optimizations
  • New Security Controls in PostgreSQL 18
  • Upgrade Guide: Moving to v18 Stable

🚀 PostgreSQL 17.9

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Milestone: Significant improvements in logical replication and JSON standard compliance.

• Architect’s Series:
  • Logical Replication Failover Patterns
  • Advanced JSON Data Modeling with JSON_TABLE
  • Memory Management Improvements in v17
  • Vacuum Enhancement & Storage Efficiency
  • v17 High Availability Architecture
  • Partitioning Performance Tuning in v17

🚀 PostgreSQL 16.13

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Milestone: Focused on observability and performance monitoring for high-load systems.

• Architect’s Series:
  • Leveraging pg_stat_io for Performance Audits
  • Logical Decoding from Standby Servers
  • Query Parallelism Enhancements in v16
  • PostgreSQL 16 Security & Authentication
  • Standardizing Observability with v16
  • v16 Connection Scaling Best Practices

🚀 PostgreSQL 15.17

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Milestone: Enhanced SQL standard support and improved storage compression.

• Architect’s Series:
  • SQL MERGE Statement Implementation Guide
  • Zstd & LZ4 Compression for WAL/Storage
  • Removal of Exclusive Backup Mode: Implications
  • v15 Sort Performance Benchmarks
  • Fine-grained Permission Management
  • Logical Replication Filtering Patterns

🚀 PostgreSQL 14.22

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Milestone: Optimization for heavy workloads and high-concurrency connection handling.

• Architect’s Series:
  • Pipeline Mode for High-Latency Environments
  • Scaling to 10k+ Concurrent Connections
  • B-tree Index Bloat Mitigation in v14
  • Multirange Types: Design & Use Cases
  • v14 Query Planner Statistics Evolution
  • JSONB Performance Tuning in v14

🔴 Legacy Era: Unsupported & Archived Documents

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The following versions have reached End of Life (EOL). These documents are maintained for historical audit and legacy maintenance.

📚 PostgreSQL 13.23 (EOL)

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Last Milestone: Advanced index deduplication and incremental backup foundations.

• Legacy Audit Series: Index Optimization | v13 Partitioning | Upgrade Path to v18

📚 PostgreSQL 12.22 (EOL)

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Last Milestone: Milestone for non-materialized CTEs and partitioning performance.

• Legacy Audit Series: CTE Performance | v12 Reindex Operations | Migration Guide

📚 PostgreSQL 11.22 (EOL)

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Last Milestone: JIT compilation and parallelized index creation.

• Legacy Audit Series: JIT Compilation Internals | Partitioned Tables | Legacy Security

📚 PostgreSQL 10.23 (EOL)

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Last Milestone: The transition to native logical replication and quorum commit.

• Legacy Audit Series: Logical Replication Debut | v10 Multi-Master Patterns

📚 PostgreSQL 9.6.24 (EOL)

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Last Milestone: Strategic value as the origin of Parallel Query features.

• Legacy Audit Series: Parallel Query Architecture | Vacuum Freeze Internals

⚡ Why This Documentation Mirror?

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Official resources are excellent, but as an Architect, you need context:

1. Fast Access: CDN-delivered documentation for global engineering teams.
2. Strategic Insights: Links to deep-dive articles on DatabaseDevPro.
3. Historical Audit: Reliable access to legacy documents for system upgrades.

🔗 Related Resources

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💎 PostgreSQL Architecture & Production Engineering

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Deep technical PostgreSQL hub: → https://DatabaseDevPro.com/PostgreSQL/

Database comparison guides: → https://DatabaseDevPro.com/guides/

🌍 Official PostgreSQL Resources

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Official Website: → https://www.postgresql.org/

Official Documentation: → https://www.postgresql.org/docs/

💡 Engineer’s Workspace: This portal is optimized for Immersive Translate to facilitate Bilingual Deep Research. All 12,500+ files are version-pinned to ensure consistency during architectural audits.