[Dev Weekly #124] Claude Code Plugins Change Everything
This title could be clearer and more informative.Try out Clickbait Shieldfor free (5 uses left this month).
A weekly roundup covering Claude Code plugins used to build a teaching harness, an explainer on Recursive Language Models (RLMs) that fight context rot by keeping data outside the LLM, a 40-item Ruby/Rails performance roundup, a deep dive into Ruby's small-hash implementation using SWAR techniques, Ruby 2D for game development, Node 27's new SQLite stat() methods for detecting full table scans, plus release notes for pnpm 12 (a Rust rewrite) and the first Fastify v6 alpha.
Questions this post answers
What does pnpm 12 change compared to previous versions?
pnpm 12 is a complete Rust rewrite that keeps backward compatibility while fixing longstanding issues. It adds project-aware global binaries, improved Git dependency resolution that works consistently across machines, deterministic lockfiles for cyclic dependencies, and removes the --resolution-only flag, which could break CI pipelines still relying on it. Teams planning a pnpm upgrade can track breaking changes like this one on daily.dev.
What is new in the Fastify v6.0.0-alpha.0 release?
Fastify's first v6 alpha removes deprecated types and APIs, bumps the undici dependency to v8.x, and disables error handler overrides by default instead of enabling them. Production users are encouraged to test this preview early to catch breaking changes before the stable v6 release ships. Developers preparing for a Fastify v6 migration can follow breaking API changes on daily.dev.
How does Node.js 27 help detect full table scans in SQLite queries?
Node 27 adds stat() and resetStats() methods to SQLite statements, allowing developers to detect full table scans at runtime without running EXPLAIN QUERY PLAN manually. This is especially useful for catching unindexed queries in tests before they reach production, including SQL generated by AI tools that may not know the schema. Developers debugging slow SQLite queries can keep up with runtime tooling changes like this on daily.dev.