Your Node.js App Might Be Leaking Memory Because of cls-hooked
If your Node.js app uses Mongoose (or another long-lived async resource) alongside cls-hooked, you may have a memory leak you've been blaming on the wrong thing.
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Node.js
This Week in Open Source: September 28, 2026
Starlette ships built-in OpenTelemetry tracing, PyMongo patches three CVEs, Prisma 8's release candidate carries real breaking changes, and a Rails issue exposes a hidden memory cost on every 404.
This Week in Open Source: September 21, 2026
OAuth/OIDC hardening continues across Symfony, Doorkeeper, and MCP SDKs for a second week running, plus Predis's official CVE release, Mongoid's security patches disguised as a routine bump, and a queued breaking change in openai-python.
This Week in Open Source: September 15, 2026
Security patches from Predis, Express, and Doorkeeper, plus new Anthropic and OpenAI SDK releases and real OpenTelemetry tracing landing in MongoDB's Python driver.
NestJS v12 Ships Native Observability: What It Means for Your APM
NestJS 12 launches @nestjs/observe, a native observability SDK. We break down what it does, where it falls short, and how it compares to cross-stack APM.
This Week in Open Source: August 28, 2026
NestJS v12 ships native observability via @nestjs/observe, Oban unifies config, Phoenix switches JSON libraries, and Symfony patches three branches.
This Week in Open Source: August 16, 2026
Rails batches schema reads, node-mysql2 lands 3-6x perf wins, OpenAI Python SDK hits v3.0.0, and Starlette proposes native OTel tracing.
Node.js Performance Monitoring: What to Track and How to Fix It
What to monitor in a production Node.js app, where the common performance problems hide, and how to find them with APM tooling.
Scout Monitoring Now Supports Node.js: Express, NestJS, Prisma, and More
Scout Monitoring launches Node.js support with Express, NestJS, Prisma N+1 detection, and auto-instrumentation for PostgreSQL, MySQL, MongoDB, and Redis.
Best Error Monitoring for Node.js in 2026
Comparing the best error monitoring tools for Node.js in 2026. Covers Express and NestJS error handling with honest reviews of Scout Monitoring, Sentry, Bugsnag, Rollbar, and Datadog.
Best APM for Node.js in 2026
An honest comparison of the best APM tools for Node.js in 2026. Covers Scout Monitoring, Datadog, New Relic, AppSignal, Dynatrace, and PM2 Plus for Express and NestJS teams.
Monitoring NestJS Applications in Production: What Actually Matters
A practical guide to monitoring NestJS applications in production. Covers what to instrument, what to ignore, and how to find the problems that only show up under real traffic.
Detecting N+1 Queries in Prisma and Node.js with Scout
How N+1 queries happen in Prisma, why they are hard to catch in development, and how Scout automatically detects them in production Node.js applications.