NodeSource N|Solid Runtime Release - May 2025: Performance, Stability & the Final Update for v18
Briefly

The May 2025 release of N|Solid Runtime enhances performance and reliability, addresses stability issues, and finalizes support for Node.js 18. The release is designed for supported Node.js LTS versions: 22x, 20x, and 18x. Key improvements include asynchronous OTLP exporting to prevent runtime freezes during telemetry data export. This change is rooted in real production needs and aims to create smoother runtime behavior under challenging network conditions. Over the past year, the runtime has seen over 500K downloads, indicating its widespread use among Node.js Engineers and DevOps globally.
N|Solid Runtime is the OSS runtime that powers N|Solid, offering a 100% compatible augmented version of Node.js developed by NodeSource engineers.
This release introduces updates enhancing performance, reliability, and trace data completeness, along with final support for Node.js 18.
The major improvement in this release is enabling asynchronous OTLP exporting, which eliminates runtime freezes during telemetry data export.
Santiago Gimeno noted that fixing the runtime freeze issue was critical for improving functionality under adverse connectivity conditions.
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