Latest data engineering and data science news from TLDR Data

Every issue of the TLDR Data newsletter, newest first. Each issue rounds up the latest data engineering and data science news (data engineering and data science), with every story summarized in a few sentences and linked to its source.

LinkedIn Gives Agents Context 📚, Claude Dashboards 📊, Salesforce Spark Optimization ⚡
iPhone Beats Databricks 📱, Pinterest's Metrics Board 🧮, Airbnb Replays Production Traffic ⏪
Cloudflare’s Decision Models 🎼, Inside OpenAI’s Data Agent 🧠, DuckDB Inside Aurora 🔗
Claude Kills the Claudisms ✍️, X-ray Your Parquet 🩻, DuckDB 1.5.6 Lands 🦆
Agents Rewire Robot Policies 🤖, Making AI-SQL Much Faster ⚡, Safe Not Safe 🔍
AI Benchmarks Are Broken 💥, Jev Inside Your Warehouse ⚡, Doom Runs on SQL 🎮
System 1 Models for Data ⚡, Postgres Meets Jev 🐘, A 4B Model Beats Postgres 🎯 
LangChain’s Paid Media Agent 🎯, DuckDB Skills for Claude Code 🦆, How Many Labels? 🏷️
Postgres at 118M QPS 🏎️, ChatGPT Work Data Agent 🗣️, Lyft’s Travel-Time Map 🚕
30 Years of Postgres 🐘, Spotify Skips Bayesian 🎧, Kestra 2.0 Ships 🚀
Spotify Cuts Agent Token Usage 📉, How Proxies Help Databases 🚦, Data Teams Are Context Teams 🧑‍🏫
Netflix’s Parallel Spark Tuning 📊, Tracing AI Token Waste 💸, S3 Gets More Duck 🦆
Spark 4.1.0 Released ⚡, How Twilio Tracks Lakehouse Staleness 🚨, Replacing Fivetran at Scale 🔄
DuckLabs Joins AWS 🦆, LinkedIn’s Cognitive Memory Agent 🧠, Chaos Testing Kafka 🌪️
The Politics Behind Metrics 🏛️, Unlearning Pandemic Demand 🦠, The Art of Indexing ⚡
Inside DuckDB 2.0 🦆, ACID for AI Agents ✅, Variant Lands in Iceberg 🪆
Benchmarking Agentic Analytics 📊, Faster Lakehouse Lookups 🔎, Comet Hits 1.0 ☄️
Vercel’s Migration to DynamoDB 🪢, Stripe’s Self-Healing Databases 🛠️, Electric Joins Databricks ⚡
Robotics Data Stack 🤖, Automating the Semantic Layer 📊, The Agent Sprawl Problem 🐇
Netflix Simplifies Storage 🧊, Meta Doubles Training Efficiency 💎, Metrics Defined Once 🎯