Harun Akgun

Android engineers just got the fastest coding agent (Qwen-3-coder-480b)! 2.5x faster than sonnet 4 with near similar performance: - We had to adjust the tool calling / prompts to make this model behave correctly - Can swap out the agent by clicking a button Here is one of the samples from our blog, where both agents race to implement a UI change given zero code hints and just a visual description: "swap the emoji and picture button in chat input box"

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Expo SDK 54 introduced React Native precompilation, cutting uncached iOS build times by almost 10x. This is a big improvement, but testing with a larger app (80 dependencies) shows there’s still room to make builds even faster—possibly another 2x. Take a look at the chart for details. #ReactNative #Expo #iOSDevelopment #IOS #RN #Development #Performance #React #Development #MobileDevelopment #App #JS #DevTools #JavaScript #AppDevelopment

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🤔 Webpack Optimization to improve Web Performance - Must Know Optimizing Webpack can make a huge difference in how fast your app loads and how smooth the user experience feels. Here are the important optimizations 📦 Code Splitting Break your code into smaller chunks. This helps load only what’s needed upfront and defers the rest until necessary. Users get faster initial load times! ⚡ Tree Shaking Remove unused code. Modern JavaScript libraries are huge, but you probably only need a fraction of them. Let Webpack help you clean up! 📁 Lazy Loading Load parts of your app on demand. This is especially useful for pages or features that aren’t critical at first load. 🧹 Minification & Compression Use gzip or Brotli compression to reduce file sizes. Smaller size means quicker downloads and rendering. 📈 Caching Strategies Use content hashes in filenames so browsers can cache assets effectively. This ensures users don’t download unchanged files again and again. 👀 Analyze Your Bundle Tools like webpack-bundle-analyzer help you visualize what's taking space. Sometimes, you’ll find unnecessary dependencies or bloated libraries you can remove. Which one you have used in your projects👇 --- ✅ Checkout FrontendGeek.com for interview preparation 🔥Follow Anuj Sharma and FrontendGeek for more such nuggets #performance #web #webpack #interview #systemdesign #jobs #frontend #javascript

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Advanced iOS internals: Mergeable Libraries Mergeable libraries are the hot new approach to linking strategies introduced Xcode 15. They are actually very straightforward, since we now understand the problems they’re trying to solve. Mergeable libraries are designed to link dynamically in debug builds, and statically in release builds. This ostensibly gives them the best of both worlds: - The compile-time benefits of dynamic linking to improve developer experience & iteration speed. - The production-user-facing launch-time advantages of static linking. Any dynamic framework or library can be built as mergeable by setting the MERGED_BINARY_TYPE in Xcode build settings. This commands the static linker to generate metadata alongside the .dylib that allows it to be statically linked in release builds. This metadata roughly doubles the size of the library, compelling a HackerNews user to suggest that the module is simply bundling both a static and dynamic library together. My honest take-home assessment is; mergeable libraries are designed to be a good default for engineering teams where understanding your dependency graph and optimising your build system isn’t a high priority. And, to be fair, this is probably most iOS teams (and indie devs). Subscribe to my newsletter to accelerate your iOS career with a new article every week! 🚀

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Apple has introduced a powerful new tool for developers: the Retention Messaging API, now in prerelease. This lets you deliver custom messages, imagery, alternative plans, or special offers within the native cancellation flow, right when a user taps “Cancel Subscription”. Why it matters? Especially for indie developers (and every company): cutting just 1% of churn can mean significant cost savings and boosted revenue. Even a minor retention win compounds over time, this feature helps tip the scales in your favor at a critical moment. If you’re in the Apple Developer Program, you can request access today, and expect full availability in 2026.

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Claude is now generally available in Xcode!!! "Developers can now connect their Claude account to Xcode 26 to power coding intelligence features with Claude Sonnet 4. Xcode is Apple's integrated development environment (IDE) and offers the tools you need to develop, test, and distribute apps for Apple platforms. This integration lets developers use Claude's coding capabilities directly in their workflow, accelerating app development for Apple platforms."

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