🏆 Most-Watched Talks in Javascript, Java, Rust, Go, Python, Kotlin & C++ of 2025 (so far)
Source: Dev.to
Happy Tuesday 👋 and welcome another special edition of Tech Talks Weekly!
This edition includes the top 15 most‑watched talks this year so far grouped by programming language.
Each entry has a short summary so you can quickly decide whether a talk is worth watching.
Javascript
JavaScript land is still wild but the patterns are getting clearer. These talks cover modern React patterns, TanStack, Node and TypeScript, performance tricks from game engines, and Angular and Vue updates.
Modern React Patterns: Concurrent Rendering, Actions & What’s Next | Aurora Scharff at RUC 2025
Conference • +66 k views • Sep 10 2025 • 00h 26m 32s
TL;DW: Learn how to tackle messy async operations in React with modern patterns that keep your UI smooth and reliable, from concurrent rendering to optimized state management.
Composition Is All You Need | Fernando Rojo at React Universe Conf 2025
Conference • +52 k views • Sep 08 2025 • 00h 22m 17s
TL;DW: Composition is the secret sauce for scaling React codebases, helping avoid chaotic conditional props and making components cleaner and easier to work with—for both humans and AI.
React Query Exposed by Its Maintainer
Conference • +38 k views • Mar 03 2025 • 00h 19m 57s
TL;DW: This talk uncovers the dark side of React Query, showing its drawbacks and the scenarios where it might not work for you, giving you a clearer view of its place in your toolkit.
TanStack is Your New Favorite Framework
Conference • +26 k views • Oct 04 2025 • 00h 25m 50s
TL;DW: TanStack is more than React Query. The talk walks through TanStack Start, the router, forms, real‑time DBs, and a demo that shows how it competes with Next.js—worth a watch.
What React Refs Can Do for You
Conference • +22 k views • Jan 20 2025 • 00h 17m 56s
TL;DW: Refs are more than an escape hatch; real examples show how they can clean up code, cut renders, stop UI flicker, and how to use them safely in the upcoming React 19.
The Path to Native TypeScript
Conference • +8 k views • Jun 03 2025 • 00h 24m 01s
TL;DW: Running TypeScript files directly in Node.js is finally within reach. The talk gives a pragmatic, code‑first tour of type stripping, syntax detection, and migration trade‑offs that actually matter.
The State of Node.js 2025 Explained by Its TSC Member
Conference • +8 k views • Oct 14 2025 • 00h 30m 28s
TL;DW: Node.js isn’t dead. This talk debunks doom narratives, shows recent performance wins, modern JS features, npm and governance trade‑offs, and makes a practical case for using it in server‑side and cloud‑native apps.
Effective React: Lessons from 10 Years | Cory House – NDC Copenhagen 2025
Conference • +8 k views • Nov 03 2025 • 00h 59m 45s
TL;DW: Ten years of React lessons in rapid‑fire: state strategies, common problems, performance tricks, TypeScript tips, reusable patterns, devtools, file structures, and workflows you can copy.
Node.js will use all the memory available, and that’s OK! | Matteo Collina – dotJS 2025
Conference • +3 k views • Apr 09 2025 • 00h 18m 52s
TL;DW: Explains why V8 and the GC let Node use all available memory, what it means for production workloads, and useful tuning tips for large‑scale Node deployments.
State of Vite and Vue 2025 by Creator Evan You
Conference • +3 k views • Jun 03 2025 • 00h 42m 18s
TL;DW: The creator of Vite and Vue presents the 2025 roadmap: Alien Signals, Devtools v7, Vapor Mode, Rolldown Vite, Vue Plus, and why the massive usage numbers actually matter.
ng-conf 2025 LIVE Angular Team Keynote with Mark Thompson, Alex Rickabaugh, Minko Gechev
Conference • +3 k views • Oct 17 2025 • 01h 10m 19s
TL;DW: The Angular team’s keynote covers the roadmap, new features, and practical migration tips—less marketing, more real‑world lessons for Angular developers.
Unlocking Observability with React & Node.js | Mohit Menghnani – Conf42 SRE 2025
Conference • +3 k views • Jul 04 2025 • 00h 17m 07s
TL;DW: Learn how to tie React front‑ends to Node.js back‑ends for unified observability, with practical tracing, KPI correlation, tooling, and real‑world scenarios.
JavaScript Blazingly FAST! Lessons from a Game Engine | Erik Onarheim – NDC Oslo 2025
Conference • +2 k views • Aug 06 2025 • 00h 55m 28s
TL;DW: A game‑engine veteran shares a decade of JavaScript performance tricks turned into a punchy guide on browser profiling and optimization.