v8.9.0

8.9.0 (2026-02-24)

Features

• Add functional options pattern for transport client creation (#74) (dbc2c13)
• Upgrade Go from 1.20 to 1.21 (209a7aa)

Bug Fixes

• Add defensive check in discovery to prevent panic when no URLs are configured (dbc2c13)
• Don't put gzipWriters with errors back into the pool (#62) (6b78c54)
• Ensure global HTTP request headers are set correctly in transport client (#64) (bfc0323)
• Improve client pool concurrency safety and performance (#67) (6507084)
• Linting rules satisfied (793a813)
• Prevent drainErrChan from missing errors due to non-blocking receive (#65) (0f0e5ac)
• Remove deprecated code (#53) (793a813)
• Replace slice manipulation with slices.Delete (209a7aa)
• Return pooled gzip buffers on compression errors (#70) (dfdb552)
• Use net.SplitHostPort in getNodeURL for IPv6 support (#63) (e2d86cf)

Performance Improvements

• Reduce metrics hot-path lock contention (#72) (9d402f8)
• Replace roundRobinSelector initialization with newRoundRobinSelector function for improved atomicity #71 (15632e3)