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Tech, in 5 minutes a day.

Tezvyn distills the latest in AI, frontend, backend, DevOps and system design into bite-sized cards. Read five a day on the app, or browse them all here on the web.

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Recent bites

LLMs & Generative AI30 sec read

Anthropic releases Claude 4.5 Sonnet with 2M context

The new mid-tier model doubles the context window and is benchmarked at GPT-5 level on coding evals while costing 40% less per million tokens.

LLMs & Generative AI30 sec read

LLM interview question: explain RAG vs fine-tuning

A staple ML interview question. The honest answer: they solve different problems. RAG injects facts; fine-tuning shapes behaviour and tone. Use both.

Python & FastAPI30 sec read

Top 10 FastAPI interview questions for senior roles

From dependency injection internals to how Pydantic v2 validation differs from v1 — these are the interview questions that separate juniors from staff.

Python & FastAPI30 sec read

Async SQLAlchemy 2.0: the mental model that clicks

Sessions are not connections. Connections are not transactions. Once you internalise the three-layer model, async SQLAlchemy stops feeling magical.

Python & FastAPI30 sec read

FastAPI 0.118 ships first-class WebSocket auth

The new release adds dependency injection for WebSocket connections, so you can finally reuse your JWT auth dependencies on /ws routes without manual header parsing.

React & Next.js30 sec read

Next.js 16 makes the app router the only router

The pages directory is officially deprecated. Migration codemods cover most apps in under an hour, and the new router gets streaming RSC by default.

React & Next.js30 sec read

Server Components, explained without the jargon

RSC is not SSR. This deep-dive walks through the request lifecycle, why client components serialize their props, and where the network boundary actually sits.

React & Next.js30 sec read

React interview cheatsheet: hooks rules in 60 seconds

An interview favourite: list every Rules-of-Hooks violation, then explain why useEffect dependency arrays are not 'reactive' the way useMemo's are.

Flutter & Dart30 sec read

Riverpod 3 brings code-gen to every provider

Riverpod 3 standardises on the @riverpod annotation. The legacy StateProvider / ChangeNotifierProvider APIs are deprecated, and the runtime gets a 30% smaller binary footprint thanks to removing the manual scoping machinery.

Flutter & Dart30 sec read

Flutter 3.27 ships impeller on Android by default

The new release flips the Impeller renderer on for all Android devices, dropping Skia for Vulkan/OpenGL. Smoother scrolling, faster first frame, and far fewer jank reports — at the cost of a slightly larger APK.

LLMs & Generative AI30 sec read

Google Boosts Open Source Security for AI

Google's ramping up investment in open source security tools, crucial for AI development. With AI's reliance on open source software, securing these resources is vital to prevent vulnerabilities. This means developers can expect more robust, secure tools, reducing security breach risks in their projects.

LLMs & Generative AI30 sec read

Gemini Elevates Google Sheets Data Analysis

Gemini in Google Sheets now automates complex data tasks, boosting productivity. For developers and product managers, this means less manual data handling and more streamlined workflows. Start integrating Gemini's features to enhance your data processing tasks.