Rails sparks debate after DHH’s talk; Puma tuning, PostgreSQL resilience, queue isolation and agent orchestration lead the week.

DHH controvensial keynote, Ractors and Spinnel; PostgreSQL write amplification, locks and TIN indexes; retries, rate limits, Jev and rogue AI agents.

Rails Ractors, PostgreSQL internals, new indexes, AI coding agents, security attacks, Kotlin 2.4.20, and Cloudflare saving 100 TB of RAM.

Shopify’s Falcon and Rubydex, sharded Postgres, PostgreSQL 19, Oracle’s sorting tricks, diskless Kafka, AI agents and Codex.

Rails, PostgreSQL, AI and Kafka: Solid Queue internals, tricky database behavior, AI engineering lessons, and Kafka's exactly-once semantics.

Solid Queue batches, tricky PostgreSQL queries, PG19’s WAIT FOR, UUIDv7, sharding, functional programming and AI software factories.

Multi-DB Rails scaling, Ractor compatibility and AI agents, alongside GitHub’s outage, Spring Boot 4.2 and Git at scale.

Ruby and Rails get faster, pg_rust pushes analytical queries, and AI reshapes development. Plus queues, encryption, GitHub and TDD.

Rails, Ruby hash optimization, Postgres counting, Vitess, engineering bottlenecks, and AI code reviews

Rails security fix, Solid Queue fibers, Ruby internals, PostgreSQL 19, GitHub stacked PRs, AI code reviews & a new pg-jdbc driver.

RoR turns 22, RubyGems security, PostgreSQL MVCC, Aurora DSQL, ElasticSearch analytics mode, and the latest AI coding news.

Rails testing, sharding, AI agents, Kimi K3, Netflix engineering, X open source plans, and Patreon’s notification refactor.

AI coding, Rails evolution, Cloudflare consensus, Rust rewrites, DeepSWE rankings, and GitHub's latest numbers.

Ruby proposals, PostgreSQL 19 improvements, GitHub security metrics, AI trust, Kafka, and fintech engineering.

PostgreSQL 19, AI coding, pgvector, HTTP QUERY, Cloudflare sagas, Datadog rewrites, and more from across software engineering.

This week: RoR, LLMs, Meta's tech culture, vector search, S3 updates and the challenge of parsing 1B rows.

Tech picks: Rails, transformers, AI geopolitics, agentic code, Kotlin 2.4, GitHub availability, and speed.

Rails Weekly, Ruby speedups, Datadog failover lessons, AI resources, and Kafka 4.3 updates

This week: Rails updates, why LLMs forget, Claude Opus, Google IDEs, CVE lessons, engineering metrics, and Cloudflare scale.

Rails gets markdown rendering, AWS ships ExtendDB, I've discovered Temporal, and AI keeps reshaping engineering.

GitHub’s Herb, Shopify SKIP LOCKED, JSONB tricks, LoRa, AI coding, retries & Claude on AWS.

Ractors, Rubyfmt at Stripe, AI bug bounty spam, Kafka parsing, MCPs & AI coding debates.

Shopify’s Unicorn→Falcon move, DB insights, GitHub outages, Airbnb Skipper, and rising AI use.

Rails Weekly, JRuby hits Ruby 4, DB insights on MVCC & multi-tenancy, Bitwarden CLI breach, GitHub stars debate, AI usage trends.

DB tools updates, Xata open source, Cassandra upgrade, AI impact, engineering trends, and practical advice.

Rails & dev roundup: Stripe testing insights, Puma update, AI/security trends, Meta optimizations, and AWS S3 Files as a filesystem.

Postgres insights, Redis cache improvements, pg tools, security flaws, Axios hack, queue traffic, and AI usage

Rails Weekly highlights, DB speed tweaks, WAL fixes, PostgreSQL limits, AI dev shifts, Dropbox monorepo work, and Kotlin skills

Ruby & Rails news: Rubygems cooldown, Basecamp open-sources Writebook, AI dev trends, agents rise, Spring Boot 4.1 RC

Ruby/Rails updates, Shopify deep-dives on GraphQL & bundler speed, DB tips on PGBouncer & Postgres, plus engineering reads on AI, simplicity, S3 at 20, and GitHub security

Datadog on MCP agents, Kafka insights from Confluent, AI tooling, simulation testing, BEAM praise, and a deep Netflix article.

A Microsoft dev who saved the Internet, Google's eng culture, monolith-breaking tips & more

RoR, Kafka 4.2, PostgreSQL JSONB & autovacuum, AI coding articles, and Spring Modulith news.

Ruby newsletter highlights Rails 8.2 JSON syntax, PG locks, AI trust survey, Cloudflare upgrades & GitHub agentic flows

Rails & Ruby newsletter roundup: DB internals, PG tuning, search tradeoffs, Kafka tools, Uber & Cloudflare engineering, AI at 37signals, and JVM/JPA tips.

Ruby & Rails news, EM advice, AI skill formation insights, Meta’s Rust at WhatsApp, and a clear Kotlin generics deep dive.

RoR updates, PostgreSQL optimizations, Kafka tuning, AI in dev work, and LLM architectures.

Ruby, Rails, Postgres internals, distributed databases, dev workflows, compilers — plus an unexpected to me Kotlin null fact

Rails 4.0 insights, PostgreSQL internals and indexing, 2025 DB changes, reflections on AI-driven coding, multi-agent tools, code reviews, and Nvidia’s self-driving push.

Rails Weekly notes ActiveJob transaction changes, Ruby typing libraries, and reflections on building software you use, plus Claude’s rise.

Ruby 4.0 released, year-in-review newsletter, PG limits, Twilio exits microservices, Reddit modernization, logging lessons.

Ruby/Rails news, Ruby 4.0 preview, Aurora PG performance tips, engineering lessons from Amazon/Google, and JVM updates.

Ruby/Rails updates, Postgres scaling & HA myths, Aurora DSQL clocks, ClickHouse via PG, AWS internals, DORA 2025

Ruby & DB updates: new type-annotations try, Basecamp’s Fizzy, PG19 planner gains, Uber MySQL fixes, Shopify stats, Cloudflare incident & DDoS, Kafka bench.

Ruby news, Shopify’s BF stats, PG19 improvements, DSQL insights, cool PG search tricks, DB query cost info, and a great read on the state of agile.

Ruby & Rails updates, lib performance, ActiveJob tips, Ruby 4 preview, DB insights (DSQL, vectors), engineering posts (Cloudflare, tech debt), Spring Boot 4.

Ruby 4.0 arrives this year. Newsletter highlights small Rails features, PG limits, pgvector, Raft intro, multi-tenant pitfalls, and Spring’s null-safety push.

Ruby & Rails updates: Karafka bug fix, Puma 7 fairness, DSQL insights, PG→MySQL migration, PG18 features, UUIDv7, Datadog replication, Spotify agent.

Rails ends support for old versions. DB tips: UUID costs, date overlap checks, less RAM can boost PG. GitHub stats, AI coding insights, S3 swap story.

Rails 8.1 and new Ruby patch released. Articles on Flink limits, AWS outage, caching, code reviews, AI in coding, TDD, and software quality insights.