The Daily Index — Tuesday, April 21, 2026 · TLDR Index

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qawolf.com

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THE AI ENGINEERING STACK WE BUILT INTERNALLY — ON THE PLATFORM WE SHIP

93% of Cloudflare's R&D organization used AI coding tools powered by infrastructure that they built on their own platform. The team built its own MCP servers, access layer, and AI tooling necessary for agents to be useful at Cloudflare. This has had a significant impact on the number of merge requests made. The four week rolling average has climbed from around 5,600 per week to over 8,700. This post looks at how Cloudflare achieved this.

blog.cloudflare.com · 14 min

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JUJUTSU MEGAMERGES FOR FUN AND PROFIT

Jujutsu megamerges let developers work on many different streams of work simultaneously. This article provides an in-depth explanation of how they work. Megamerges are a way of showing developers the whole picture and are not really meant to be pushed to remote. Developers will still want to publish branches individually as usual.

isaaccorbrey.com · 13 min

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RANDOM THOUGHTS WHILE GAZING AT THE MISTY AI FRONTIER

This post covers many topics in the AI space, including the percentage of GDP attributed to AI revenue in 2030, compute ceilings, and harnesses. It also covers anti-AI regulation and how violence against the technology will increase.

blog.eladgil.com · 10 min

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CALIFORNIA ACCUSES AMAZON OF PRICE FIXING IN LEGAL FILING

Amazon reportedly pressured major brands to ask competing retailers to raise prices on certain products. California is suing Amazon over allegations that the retailer harms competition and increases prices that consumers pay online. The lawsuit claims that Amazon punished sellers for offering lower prices on other websites. The trial is scheduled to begin next year.

links.tldrnewsletter.com · 5 min

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APPLE TO FOCUS HARDWARE TEAM ON FIVE AREAS UNDER JOHNY SROUJI

Apple's newly combined hardware engineering and hardware technologies division will be organized into hardware engineering, silicon, advanced technologies, platform architecture, and project management divisions.

links.tldrnewsletter.com · 3 min

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GITHUB HALTS NEW COPILOT SIGNUPS AMID SOARING USAGE AND RISING COSTS

GitHub has paused new signups for GitHub Copilot Pro, Pro+, and Student plans.

links.tldrnewsletter.com · 2 min

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GOOGLE BUILDS ELITE TEAM TO CLOSE THE CODING GAP WITH ANTHROPIC

Google DeepMind has formed a dedicated team of researchers and engineers to sharpen the coding capabilities of its Gemini models.

the-decoder.com · 2 min

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YOUR FUTURE PHONE WILL HAVE A BATTERY YOU CAN SWAP AT HOME — THANKS TO THE EU

The EU has passed a law that requires phones to have batteries that can be easily changed by users at home using basic tools.

links.tldrnewsletter.com · 2 min

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GOOGLE'S AI ADOPTION

DeepMind engineers use Claude as a daily tool, but most of the rest of Google does not.

links.tldrnewsletter.com · 3 min