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<div style="display: none; max-height: 0px; overflow: hidden;">Microsoft is mandating employees to return to the office for at least three days a week, starting with Seattle-area employees in February 2026 </div>
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<a href="https://tracking.tldrnewsletter.com/CL0/https:%2F%2Fwww.builder.io%2Fblog%2Fai-tools-for-enterprise/1/01000199334f1b60-5fa9732a-0d44-4b5d-b93a-c0cc79a0acc3-000000/DKC5u6i_5CHLmZSu2Sk0oMrEy57m_8s92aIIJQfVbjQ=422"><img src="https://images.tldr.tech/builderio50.png" valign="middle" style="vertical-align: middle !important; height: 100%;" alt="Builder.io"></a></td></tr></tbody></table>
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<h1><strong> TLDR Web Dev <span id="date">2025-09-10</span></strong></h1>
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<strong>How to evaluate AI coding tools for your enterprise (Sponsor)</strong>
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<span style="font-family: "Helvetica Neue", Helvetica, Arial, Verdana, sans-serif;">
Millions of developers use AI coding tools for personal projects, but can't get approval at work. The problem is most tools aren't built for enterprise needs. Tools that wow in demos crash against real requirements: SSO integration, code governance, compliance auditing, and actual workflow support.<p></p><p>Most teams waste months on POCs that go nowhere. Read the blog on how to <a href="https://tracking.tldrnewsletter.com/CL0/https:%2F%2Fwww.builder.io%2Fblog%2Fai-tools-for-enterprise/3/01000199334f1b60-5fa9732a-0d44-4b5d-b93a-c0cc79a0acc3-000000/JUosZy7LT7zz0i3aL_T1qzTlKWaYOtX6z2L6kJVpHNs=422" rel="noopener noreferrer nofollow" target="_blank"><span>evaluate and implement enterprise-ready coding solutions</span></a>: a 7-step process, role-specific scorecards, success metrics, and best practices for prompting and context engineering.</p>
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<strong>Speeding up Firefox Local AI Runtime (6 minute read)</strong>
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Mozilla has accelerated Firefox's AI Runtime by replacing the WebAssembly-based “onnxruntime-web” with native C++ ONNX Runtime integrated directly into Firefox. This change delivers 2-10x faster inference performance for AI features like PDF alt-text generation (improving from 3.5 seconds to 350ms) and smart tab grouping, while removing WebAssembly warm-up overhead.
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<strong>Should you preload fonts for performance? (5 minute read)</strong>
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Font preloading can improve website performance by eliminating double paints and layout shifts. However, it can also delay First Contentful Paint (FCP) since Chrome now blocks rendering until preloaded fonts arrive (with timeouts of 100-1,500ms). It's best to preload only essential above-the-fold fonts (maximum two), self-host them, and prioritize text fonts over icon fonts for better user experience.
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<strong>Partytown: Optimize Third Party Scripts with Web Workers (8 minute read)</strong>
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Partytown is a library that optimizes website performance by automatically moving third-party scripts (like analytics, ads, and chat widgets) into web workers, allowing them to run in background threads instead of blocking the main thread responsible for rendering and user interactions. This approach can improve Core Web Vitals scores. One example showed a Next.js site's Lighthouse performance score jumping from 70 to 99 after implementing Partytown with Google Tag Manager.
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<strong>All vibe coding tools are selling a get rich quick scheme (2 minute read)</strong>
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"Vibe coding" tools are essentially get-rich-quick schemes that overpromise on their capabilities. Despite initial hope, this dev found these platforms, which claim to enable building startups with minimal effort, to be misleading and ineffective after experimentation.
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<strong>I don't want AI agents controlling my laptop (3 minute read)</strong>
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Granting AI agents unfettered access to personal computers is not a great idea. There is a lack of granular control over permissions, making it difficult to protect sensitive information like passwords and API keys. However, there are two potential solutions: using cloud environments and virtual machines for isolated AI agent execution, and integrating AI controls properly within a web browser with enforced permission boundaries.
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<strong>Why is Unistyles Goated (8 minute read)</strong>
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Unistyles is a high-performance React Native styling library built with C++ and Nitro modules that serves as a drop-in replacement for React Native's StyleSheet. This dev discovered Unistyles during a Flutter-to-React Native migration and found it much better than alternatives like NativeWind due to its combination of performance, maintainability, and modern development workflow integration.
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<strong>🥣 Flakes belong in cereal (Sponsor)</strong>
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Chasing flakes wastes hours and slows releases. <a href="https://tracking.tldrnewsletter.com/CL0/https:%2F%2Fwww.qawolf.com%2F/1/01000199334f1b60-5fa9732a-0d44-4b5d-b93a-c0cc79a0acc3-000000/3yDH-OPQONXyIHQE5IcIkYOTHlR55y5haZaeQmGelmk=422" rel="noopener noreferrer nofollow" target="_blank"><span>QA Wolf</span></a> delivers test results you can trust the first time. No reruns, no guesswork, and no wasted time.
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<p>Using AI and expert QA engineers, QA Wolf automates <a href="https://tracking.tldrnewsletter.com/CL0/https:%2F%2Fwww.qawolf.com%2F/2/01000199334f1b60-5fa9732a-0d44-4b5d-b93a-c0cc79a0acc3-000000/1dgTrBbxInDzBBdp7GtCAd2g35-X0dfE8xbx9Y1kL0g=422" rel="noopener noreferrer nofollow" target="_blank"><span>80% of your end-to-end tests in weeks</span></a>. All tests run independently in optimized testing environments, preventing flakes and expediting runs for more accurate results.</p>
<p>Engineering teams at Drata, Salesloft, Cohere, and AutoTrader rely on QA Wolf to ship fast and flake-free. </p>
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<p>Start testing without flakes 👇</p>
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<strong>Claude can now create and use files (2 minute read)</strong>
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Claude AI can now create and edit files like Excel spreadsheets, documents, PowerPoint presentations, and PDFs directly within the platform. It uses a private computer environment to write code and run programs, letting it handle tasks from data analysis to spreadsheet creation and cross-format conversions.
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<strong>Lexxy: A new rich text editor for Rails (2 minute read)</strong>
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Lexxy is a new rich text editor for Rails, designed as an improvement over Action Text, using Meta's Lexical framework. It has improved HTML semantics, Markdown support, real-time syntax highlighting, configurable prompts, and attachment previews.
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<strong>Bottlefire (Website)</strong>
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Bottlefire is a service that builds single-executable microVMs from Docker images, packaging Firecracker for automatic launches. It has zero-config networking, port mapping, and directory sharing, and works on modern Linux platforms with KVM.
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<div style="text-align: center;"><strong><h1>Miscellaneous</h1></strong></div>
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<strong>Microsoft Is Officially Sending Employees Back to the Office (7 minute read)</strong>
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Microsoft is mandating employees to return to the office for at least three days a week, starting with Seattle-area employees in February 2026. The return-to-office policy will be implemented in phases, eventually expanding to other U.S. and international locations. Employees within 50 miles of a Microsoft office can request exceptions by September 19.
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<strong>Web3: Cryptography's New Frontier (6 minute read)</strong>
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Web3 was initially envisioned as a decentralized and privacy-focused internet based on blockchain, but has largely shifted its focus to cryptocurrencies and financial products. This shift has spurred research and funding in cryptography, but also raised concerns about security vulnerabilities due to the pressure to rapidly deploy new technologies.
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<strong>Default Methods in Go (8 minute read)</strong>
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<span style="font-family: "Helvetica Neue", Helvetica, Arial, Verdana, sans-serif;">
Go's structural typing system for interfaces creates problems when trying to add new methods without breaking existing code, as there is no way to provide default implementations. A workaround is to use Go's struct embedding feature combined with unexported interface methods to create "required embeds.” This forces interface implementers to embed a default struct that provides default method implementations.
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<h1><strong>Quick Links</strong></h1>
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<a href="https://tracking.tldrnewsletter.com/CL0/https:%2F%2Frustcurious.com%2Felements%2F%3Futm_source=tldrwebdev/1/01000199334f1b60-5fa9732a-0d44-4b5d-b93a-c0cc79a0acc3-000000/Q1PlxHlnUIQnoMW4T9L5n2vtk3_0F7ShWw78ub5eN1Q=422">
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<strong>Elements of Rust – Core Types and Traits (Website)</strong>
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<span style="font-family: "Helvetica Neue", Helvetica, Arial, Verdana, sans-serif;">
A visual guide to Rust's core types and traits built into the language.
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<strong>Improve your AI code output with AGENTS.md (+ my best tips) (8 minute read)</strong>
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<span style="font-family: "Helvetica Neue", Helvetica, Arial, Verdana, sans-serif;">
An `AGENTS.md` file should provide AI agents working within a repository with essential project context, coding conventions, and safety guidelines.
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<a href="https://tracking.tldrnewsletter.com/CL0/https:%2F%2Fblog.epsiolabs.com%2Fi-love-uuid-i-hate-uuid%3Futm_source=tldrwebdev/1/01000199334f1b60-5fa9732a-0d44-4b5d-b93a-c0cc79a0acc3-000000/AG4HltA_9wlkWGysZhdHI594Nx1cyAi3Vn4bHx2c2Lk=422">
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<strong>I love UUID, I hate UUID (6 minute read)</strong>
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UUIDv7's timestamp-based structure improves insertion performance and provides useful insert time information.
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<a href="https://tracking.tldrnewsletter.com/CL0/https:%2F%2Fanderegg.ca%2F2025%2F09%2F08%2Fyoutube-is-a-mysterious-monopoly%3Futm_source=tldrwebdev/1/01000199334f1b60-5fa9732a-0d44-4b5d-b93a-c0cc79a0acc3-000000/RNlVSeJkahDnviKcLnN8ExRClHmScY3eR4Ea13OVfgE=422">
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<strong>YouTube is a mysterious monopoly (4 minute read)</strong>
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<span style="font-family: "Helvetica Neue", Helvetica, Arial, Verdana, sans-serif;">
The recent, unexplained drop in YouTube views experienced by several content creators shows how much control YouTube has over creators' livelihoods.
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