redis/go-redis v9.16.0

9.16.0

on GitHub

🚀 Highlights

Maintenance Notifications Support

This release introduces comprehensive support for Redis maintenance notifications, enabling applications to handle server maintenance events gracefully. The new maintnotifications package provides:

• RESP3 Push Notifications: Full support for Redis RESP3 protocol push notifications
• Connection Handoff: Automatic connection migration during server maintenance with configurable retry policies and circuit breakers
• Graceful Degradation: Configurable timeout relaxation during maintenance windows to prevent false failures
• Event-Driven Architecture: Background workers with on-demand scaling for efficient handoff processing

For detailed usage examples and configuration options, see the maintenance notifications documentation.

✨ New Features

• Trace Filtering: Add support for filtering traces for specific commands, including pipeline operations and dial operations (#3519, #3550)
  • New TraceCmdFilter option to selectively trace commands
  • Reduces overhead by excluding high-frequency or low-value commands from traces

🐛 Bug Fixes

• Pipeline Error Handling: Fix issue where pipeline repeatedly sets the same error (#3525)
• Connection Pool: Ensure re-authentication does not interfere with connection handoff operations (#3547)

🔧 Improvements

• Hash Commands: Update hash command implementations (#3523)
• OpenTelemetry: Use metric.WithAttributeSet to avoid unnecessary attribute copying in redisotel (#3552)

📚 Documentation

• Cluster Client: Add explanation for why MaxRetries is disabled for ClusterClient (#3551)

🧪 Testing & Infrastructure

• E2E Testing: Upgrade E2E testing framework with improved reliability and coverage (#3541)
• Release Process: Improved resiliency of the release process (#3530)

📦 Dependencies

• Bump rojopolis/spellcheck-github-actions from 0.51.0 to 0.52.0 (#3520)
• Bump github/codeql-action from 3 to 4 (#3544)

👥 Contributors

We'd like to thank all the contributors who worked on this release!

@ndyakov, @htemelski-redis, @Sovietaced, @Udhayarajan, @boekkooi-impossiblecloud, @Pika-Gopher, @cxljs, @huiyifyj, @omid-h70

Full Changelog: v9.14.0...v9.16.0