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This Week In React #260: TanStack, Actions, Immer, RTK | Vercel v0, Worklets, Skia | TC39, Playwright, Bun

Hi everyone! Kacper and Tymek from Software Mansion here! 👋 This week, TanStack Pacer debuts in Beta, a new framework-agnostic library for controlling function timing with a dedicated React adapter. Lots of interesting articles featuring a 20,000x improvement in TanStack Router route matching algorithm speed, tips to speeding up Next.js on Kubernetes, and tutorial for…

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How Do I Return the Response from an Asynchronous Call?

Async calls (e.g., fetch()) return Promises, not immediate values. Direct return yields undefined. Focus: JavaScript (adapt for other langs). Problem Example function fetchData() { let result; fetch(‘https://api.example.com/data’) .then(data => { result = data; }); return result; // undefined } Enter fullscreen mode Exit fullscreen mode Solutions 1. Return Promise (Chain .then()) function fetchData() { return…

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10 Best Black Friday Phone Deals (2025)

It’s the best time of year to buy a new smartphone. I review dozens and dozens of handsets every year, and I exclusively recommend you buy them unlocked—don’t be beholden to a carrier! But the sticker shock of a new phone can be scary; these Black Friday phone deals can help ease the burden on…

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Lessons learned implementing SCIM with Microsoft Entra and the SCIM Validator

I had to redo the entire SCIM validator journey after we’ve migrated to a new company. This article shares the practical lessons from that rework: tightening concurrency, adding hybrid caching, clarifying when /Schemas actually matters and structuring validation runs so progress is repeatable instead of guesswork. SCIM still promises automated provisioning from an IdP, but…

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11 Best Black Friday TV Deals (2025)

Looking for a new screen this holiday season? Every TV has been released for the year, which makes now a good time to upgrade yours to whatever has been tickling your fancy (now that you’ve read our extensive TV coverage). We’ve assembled our favorite models on sale this Black Friday, which include TVs from virtually…

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