Talks from our events
AI Coding Summit London
AI Coding Summit London
Jul 6 - 7, 2026
React Summit 2026
React Summit 2026
Jun 11 - 16, 2026
JSNation 2026
JSNation 2026
Jun 11 - 15, 2026
Web Engineering Summit 2026
Web Engineering Summit 2026
Jun 11 - 15, 2026
TechLead Conf Amsterdam 2026: Adopting AI in Orgs Edition
TechLead Conf Amsterdam 2026: Adopting AI in Orgs Edition
Jun 11, 2026
Node Congress 2026
Node Congress 2026
Mar 26 - 27, 2026
AI Coding Summit 2026
AI Coding Summit 2026
Feb 26 - 27, 2026
TechLead Conf London 2025: Adopting AI in Orgs Edition
TechLead Conf London 2025: Adopting AI in Orgs Edition
Nov 28, 2025
React Advanced 2025
React Advanced 2025
Nov 27 - Dec 1, 2025
React Summit US 2025
React Summit US 2025
Nov 18 - 21, 2025
JSNation US 2025
JSNation US 2025
Nov 17 - 20, 2025
AI Coding Summit 2025
AI Coding Summit 2025
Oct 23 - 24, 2025
Latest
All talks
The Last Software Engineer
AI Coding Summit LondonAI Coding Summit London
21 min
The Last Software Engineer
Kent C. Dodds introduces the concept of durable skills and the importance of physical movement. AI evolution involves fine-tuning, prompt engineering, and uncertainties. Reflecting on the future role of AI in work and the evolving technology landscape. Insights on product engineering emphasize judgment, hitting targets, and prioritizing target selection. The importance of user-centric product engineering, intentional decisions, and adapting skills in the agentic coding world are highlighted.
Tanstack Start and How It Supports React Server Components
React Summit 2026React Summit 2026
27 min
Tanstack Start and How It Supports React Server Components
Introducing 10-Stack Dart, a full-stack framework for client-first applications, with server features and support for React and Solid. Discussion on the necessity of React server components and their role in providing data streams for React. Exploring handling server components in 10 sec start, server functions as the boundary for server-rendered UI, caching mechanisms, and flexibility in returning multiple server components. Managing route-based caching, multiple server components in one function, and using query cache for server-rendered UI. Deciding server composition, client-controlled structure, composite components for interactive UI elements, and ensuring type safety in composition models. Understanding the power and flexibility of server components in application architecture, migration from React router to 10-stack start, and challenges with release stability and usage of RSCs. Discussing the implementation of RSC in 10-stack start, its usage in new projects, differences with Next.js, and comparisons of one-way RSCs with Next.js.
Open Source Voice AI: How We Built ChatGPT's Voice Mode Infrastructure
JSNation 2026JSNation 2026
20 min
Open Source Voice AI: How We Built ChatGPT's Voice Mode Infrastructure
Voice interaction with AI is evolving rapidly, focusing on creating natural conversation experiences with crucial time delays. Models in Voice AI are rapidly evolving, emphasizing the importance of latency budgets. Design decisions aim to minimize latency per stage, impacted significantly by network and backend location. Winning teams treat latency budgets like profit and loss statements, with user completion detection being crucial. Understanding VAD thresholds and turn detection importance to avoid frequent interruptions. Prioritizing interruption handling and efficient function calling for user engagement. Enhancing function call responsiveness and optimizing voice agent workflows for efficient task handling. Automated evaluations with LLM judge and observability prioritization for latency and audio replay. Development in Voice AI follows an iterative approach, starting narrow and expanding with an evaluation framework.
Building Bridges to a Post-SPA Future
React Summit 2026React Summit 2026
33 min
Building Bridges to a Post-SPA Future
The speaker reflects on professionalism, tech collaboration deficiencies, and changing perspectives. They discuss React community involvement, cultural implications of technology choices, and the impact of Core Web Vitals on React sites. External factors like networks influence web development, optimizing JavaScript in browsers is crucial, and rethinking design based on user interactions is highlighted. Income influences smartphone market segmentation, Android pricing impacts the ecosystem, and adapting technology based on user data is essential. Transitioning to HTML-first in browser interfaces and user-centric testing to improve website quality are key takeaways.
What RSCs Can Do in Next.js Today
React Summit 2026React Summit 2026
36 min
What RSCs Can Do in Next.js Today
Aurora discusses the journey of React Server Components in Next.js, emphasizing the importance of composability and scalability. The shift to server-side data fetching with enhanced composability and declarative nature is explored. The significance of self-contained components for fast server-side data fetching and improved user experience is highlighted. NextGIS app router is discussed for enhanced performance and optimized data caching. Version 16 introduces cache components for optimized data caching and instant navigations. Improvement in user experience with Next 16.3 through app shells, partial prefetching, and instant insights is emphasized. The talk also covers new components and features for server-side rendering, optimizing loading speed, animations, and playlist integration in Next.js.
University is My Side Hustle: How Gen Z Builders Ship to Production
React Summit 2026React Summit 2026
15 min
University is My Side Hustle: How Gen Z Builders Ship to Production
Artemis, Canoparty founding engineer and university student in Computer Science, discusses the impact of AI on universities and how the younger generation adapts to the AI era. Gen Z builders embracing immediate deployment of AI tools for impactful production without traditional career progression. Young people now prioritize impact over traditional education paths, emphasizing hands-on learning in production and experimentation. Builders face challenges in transitioning personal projects to production but can leverage tools for startup creation. Engineers should emphasize simplicity in communication and the importance of selling the vision before building. Cloud Code simplifies setup for non-technical individuals. Interacting with real users and shipping features daily at Canoparty. Surround yourself with bold decision-makers and prioritize fast production.
This Component Could Have Been A Class
React Summit 2026React Summit 2026
33 min
This Component Could Have Been A Class
Scott introduces React 3 Fiber, emphasizing its uniqueness and ease of use. Discussing the benefits of exploring web APIs beyond the React bubble for enhanced user experience. Exploring CSS properties for animations and scroll snap API for touch support. Leveraging browser capabilities for innovative user experiences. Highlighting advanced CSS techniques and new HTML features for UI design. AI integration in code efficiency and component building. Strategies for AI-written CSS and optimizing AI tools. Firefox's API prioritization and positive trends. Tailwind's role in modern CSS development and impact on React developers.
Streaming Systems, Hidden Risks, And AI-driven Consequences
AI Coding Summit LondonAI Coding Summit London
27 min
Streaming Systems, Hidden Risks, And AI-driven Consequences
The Talk covers various aspects of deception and security in AI and data systems. It discusses the historical use of misinformation during World War II to influence decision-making. AI model poisoning through malicious data input and the challenges of ensuring data integrity in real-time pipelines are highlighted. The importance of peripheral information attacks, data contracts, stream governance, and anomaly detection in maintaining AI system security is emphasized. Strategies for protecting data integrity, detecting anomalies, and choosing appropriate AI models are also discussed.
Rustifying Vite: Designing a Hybrid Toolchain for the Real World
JSNation 2026JSNation 2026
6 min
Rustifying Vite: Designing a Hybrid Toolchain for the Real World
Options for pre-bundling, transformation, and minification. Rollup, bundling, and limited chunk control. SWC for React, but complexity with multiple bundlers causing issues for maintainers and developers. Limitations in bundlers, features V8 needs. Improving build times with Rust. Introducing Roldown with rollup's API, compatibility, speed, and advanced chunking. Features like module types, lazy barrel optimization, HMR, and built-in minifier for a performant bundle. Ensuring Rust-based bundler compatibility with JavaScript ecosystem. Introduction of Swangular for efficient plugin handling. Native Rust plugins support with module resolution, aliases, TypeScript JSX transform, dynamic imports. Integration with underlying minifier, transformer, linter, and formatter for tool chain V+.
Panel Discussion: Fullstack is Eating Frontend — Should FE Engineers Adapt?
React Summit 2026React Summit 2026
35 min
Panel Discussion: Fullstack is Eating Frontend — Should FE Engineers Adapt?
Kathryn Grayson Nanz
Kevin Ball
Scott Tolinski
Sam Selikoff
Alem Tuzlak
Ryan Skinner
6 authors
Full stack vs. frontend specialization debate. Importance of understanding the full system for developers. Analogy of developers being like doctors knowing the whole system but specializing in certain areas. Specialization in the age of AI. Importance of specialists in the era of quick generalization with AI. The value of being a frontend developer post-AI, emphasizing the importance of specialization and knowing how to guide AI in specific areas. Specialization in Frontend Development and the Evolution of Frameworks. Importance of specialized frontend development skills in the modern age. The shift towards empowering app developers to handle database setup and configuration. The evolution of frontend frameworks to abstract complex tasks and empower developers to manage caching and CDNs. AI reliance on good documentation for effective performance. The importance of human guidance and interaction in maximizing AI capabilities across development specialties. AI as a complementary tool, not a substitute. Understanding the importance of skill set integration with AI technologies for effective outcomes. Frontend engineers must embrace continuous learning and understanding AI's first principles. Embracing curiosity and adapting to rapid technological changes for professional growth and development. Discovering the limitations of specific knowledge transfer and the importance of fundamental skills over tool-specific expertise. Embracing a patient approach to adopting new technologies and focusing on learning essential skills for AI without chasing every new tool or trend. Exploration of using agents for self-learning workflows, preparing for questions through Q&A sessions, and elevating thinking by utilizing tools effectively. Importance of motivated learning, questioning, and utilizing agents effectively in the learning process, recognizing significant technological advancements, and the value of independent learning over solely relying on agents.
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Trending today
The Future Stack of Code Review
JSNation 2023JSNation 2023
22 min
The Future Stack of Code Review
The Talk discusses the challenges of code reviews and the need to redefine the code review process in light of changes in software development. It emphasizes the importance of collaboration, security, performance, and clean code in the new stack of code review. The Talk also highlights the benefits of automating code review comments and optimizing the code review process. Overall, the Talk aims to build a better code review process that promotes collaboration and improves the quality of software development.
Mess to Modern: Refactoring a React Nightmare
React Summit 2026React Summit 2026
18 min
Mess to Modern: Refactoring a React Nightmare
Have you ever faced complex and messy React codebases? Caleb Garner shares a five-step playbook to transform a 900-line React component. Addressing systematic modularity and organization structure for better code management. Enhancing codebase structure by extracting business logic for testability and maintainability. Streamlining state and data management for robust codebases. Establishing predictable data handling with userReducer for structured state management. Optimizing component modularity for reusability and efficient data management. Emphasizing caller-controlled layout and streamlined development experience through five key principles.
Orchestrating Content Workflows at Netflix Scale
Web Engineering Summit 2026Web Engineering Summit 2026
20 min
Orchestrating Content Workflows at Netflix Scale
Pradeep Shah, senior software engineer at Netflix, discusses the coordination of rule engines, ML models, and humans in content understanding infrastructure. Building an extensible system based on a shared framework derived from past workflow challenges. Implementing a two-tier architecture for state management and workflow execution using Conductor. Utilizing Conductor for orchestration with retries, timeouts, and parallel execution. Workflow onboarding steps include defining triggering events, task creation, lifecycle tracking, and human intervention for AI confidence below threshold. Human decision structured output, model feedback pipeline, and domain-agnostic schemas for reusability. AI agent service mirrors human process, seamless AI integration, and architecture success factors: separation of concerns, pluggability, multi-modal workers, and human corrections as training signals.
CLI, GUI, or Just Blind Trust? A Tour of Code Review Styles
React Summit 2026React Summit 2026
6 min
CLI, GUI, or Just Blind Trust? A Tour of Code Review Styles
Introduction to traditional code review methods and challenges faced by developers. Challenges with code review process and the shift towards AI era and CLI-based reviews. Using IDEs for code review, agentic era support, and enhancing code view for human-agent collaboration. New CodeRabbit view for code analysis, free for open source projects, support for old school and agentic engineers.
Network Requests with Cypress
TestJS Summit 2021TestJS Summit 2021
33 min
Network Requests with Cypress
Top Content
Cecilia Martinez, a technical account manager at Cypress, discusses network requests in Cypress and demonstrates commands like cydot request and SCI.INTERCEPT. She also explains dynamic matching and aliasing, network stubbing, and the pros and cons of using real server responses versus stubbing. The talk covers logging request responses, testing front-end and backend API, handling list length and DOM traversal, lazy loading, and provides resources for beginners to learn Cypress.
A Brief History of Code Review (And What's Next)
JSNation 2026JSNation 2026
8 min
A Brief History of Code Review (And What's Next)
The Talk explores the transition from solo development to code review history, tracing it back to the Fagin Inspection process in the 1990s. It discusses the evolution of code collaboration from in-person meetings to remote, email-based discussions. The shift to modern code review via pull requests on GitHub improved collaboration efficiency. The integration of AI in code review enhanced processes and enabled instant feedback. Encouraging open source projects to adopt code review tools and prioritize the importance of thorough reviews is highlighted.
Nested Interactive Elements: An Nightmare in Accessibility
React Advanced 2023React Advanced 2023
23 min
Nested Interactive Elements: An Nightmare in Accessibility
Top Content
Nested interactive elements can cause accessibility issues on websites, and the speaker shares a personal experience with an accessibility bug involving a list component. Mitigating nested interactive structures involves limiting these patterns during development and restructuring existing elements. The speaker provides recommendations for improving accessibility, such as adjusting role properties and gathering user feedback. The conclusion emphasizes the importance of accessible solutions and encourages sharing resources to build more inclusive experiences.
Chunking
JSNation 2026JSNation 2026
28 min
Chunking
Tobias Koppers explains chunking in Bundlers, emphasizing efficient module grouping for performance optimization. Strategies involve smart module grouping, caching, and balancing between request counts and download sizes. CSS delivery via link tags poses complexity in chunking due to order dependencies. Balancing CSS chunking to reduce requests involves overshipping techniques. Evolving chunking strategies consider compile time challenges and the impact of React server components. Future optimizations may prioritize pages based on analytics data. Tailwind offers a solution for CSS chunking, while the need for future CSS features with native dependency declarations is highlighted.
We Need More Than Prompts
React Summit 2026React Summit 2026
28 min
We Need More Than Prompts
Alex discusses spec-driven development as the best approach for building software with AI, emphasizing the importance of planning ahead and tools evolution. Reflecting on coding tools evolution towards instructing AI agents and changing roles. Challenges in articulating coding intent and the need for Spec-Driven Development. Importance of changes, goals, and OpenSpec in development. Up-front planning, collaborative nature, and challenges in spec-driven development highlighted. Managing AI limitations, spec updates, and collaborating with non-engineering on specs. Optimizing prompts and spec organization, context importance, and OpenSpec skills.
The Last Software Engineer
AI Coding Summit LondonAI Coding Summit London
21 min
The Last Software Engineer
Kent C. Dodds introduces the concept of durable skills and the importance of physical movement. AI evolution involves fine-tuning, prompt engineering, and uncertainties. Reflecting on the future role of AI in work and the evolving technology landscape. Insights on product engineering emphasize judgment, hitting targets, and prioritizing target selection. The importance of user-centric product engineering, intentional decisions, and adapting skills in the agentic coding world are highlighted.
Short takes
Everyone Is Now a Manager - Interfaces in the World of Agents
TechLead Conf London 2025: Adopting AI in Orgs EditionTechLead Conf London 2025: Adopting AI in Orgs Edition
6 min
Everyone Is Now a Manager - Interfaces in the World of Agents
Sam Kmezverk's talk covers the evolving tech landscape, emphasizing key principles for agents' implementation in tasks and decision-making processes. Addressing challenges in agent orchestration, debugging system issues, and cultivating user trust are crucial for successful interface development.
Ensuring Quality with AI
TechLead Conf Amsterdam 2026: Adopting AI in Orgs EditionTechLead Conf Amsterdam 2026: Adopting AI in Orgs Edition
7 min
Ensuring Quality with AI
Richard Rodenkemper, senior software engineer at Sentry, discusses ensuring quality with AI. GitHub data shows exponential growth in coding. Concerns arise about the reliability of coding agents versus human engineers. Impact of AI and Cloud on code production and app quality is questioned. Challenges in code reliability despite increased production are highlighted. AI as a quality tool in software development. Importance of reliability for product success highlighted. AI's strengths in handling data and searching code base discussed. Examples of AI usage in code reviews and quality assurance at Sentry shared. AI efficiency in endpoint deprecation and system updates highlighted. AI's assistance in migrating design systems and reducing notifications using Cloud Code emphasized.
Optimizing the Path From Design to Production in Engineering Workflows
React Summit US 2025React Summit US 2025
7 min
Optimizing the Path From Design to Production in Engineering Workflows
Akbar, developer advocate at Figma, highlights the importance of exploration, representation, and production in product development. Figma leverages design systems and AI tools for efficient transition from representation to production, optimizing expertise and automating non-critical tasks. Seamless integration between design elements and the app is achieved through tools like Code Connect and Copilot, fostering collaboration between design and code.
Shipping AI Under Constraints: Build, Buy, or Kill
TechLead Conf London 2025: Adopting AI in Orgs EditionTechLead Conf London 2025: Adopting AI in Orgs Edition
8 min
Shipping AI Under Constraints: Build, Buy, or Kill
Dave, Engineering Manager at Capital Untap, shares a story of AI failure and lessons learned from moving too fast in AI development within the company. The AI team focused on developing a chatbot for customer service, which became a flagship initiative under engineering governance. Issues with accuracy and complexity led to pausing the chatbot project and exploring third-party vendors. Capital OnTap reset AI processes by integrating AI engineers into product teams, emphasizing standard engineering over specialized AI teams.
Framework Native Rendering Without Code Duplication?
React Summit 2026React Summit 2026
6 min
Framework Native Rendering Without Code Duplication?
Talking about an experiment in Agigrid to render to multiple frameworks without duplicating code. Exploring MVC approach for structuring code base and handling view complexity efficiently. Exploring new ways to structure view logic and render components efficiently across frameworks within Agic Grid experiment.
Deploy Your AI Code in Minutes
AI Coding Summit 2026AI Coding Summit 2026
7 min
Deploy Your AI Code in Minutes
Shifra guides the migration of a Repl.it app to Render with emphasis on simplicity and mock data. Ensure Render deployment requirements are met, including specifying root directory, build and start commands, and correct port. Configure GitHub repository setup, connect to Git, and create a repository. Confirm code in the repository and deploy on Render, showcasing a sample landing page.
Navigating Islands of Interactivity
React Advanced 2025React Advanced 2025
9 min
Navigating Islands of Interactivity
Islands in web development are interactive components that are rendered on the server and hydrated separately. They offer fine-grain control over JavaScript, speed up page loading, and reduce JavaScript shipping. Applications of islands span across eCommerce, media sites, docs, and blogs, providing interactivity without excessive JavaScript. Nanostores enable state sharing among islands. Key takeaways include utilizing Nanostores for state management, exploring ASTRO and islands for development, and using client directives for JavaScript control.
CLI, GUI, or Just Blind Trust? A Tour of Code Review Styles
React Summit 2026React Summit 2026
6 min
CLI, GUI, or Just Blind Trust? A Tour of Code Review Styles
Introduction to traditional code review methods and challenges faced by developers. Challenges with code review process and the shift towards AI era and CLI-based reviews. Using IDEs for code review, agentic era support, and enhancing code view for human-agent collaboration. New CodeRabbit view for code analysis, free for open source projects, support for old school and agentic engineers.
Taming the Flicker: Firebase Patterns for React Server Components
React Summit 2026React Summit 2026
7 min
Taming the Flicker: Firebase Patterns for React Server Components
Rosario from Firebase highlights challenges of client-side development and Firebase solutions like server app for authentication. Firestore's offline cache and real-time updates improve user experience. Updating UI to prevent authentication flickers and optimizing real-time components with onSnapshotResume and feature flagging. Introducing Firebase App Hosting and SQL Connect for server-side rendering and SQL database integration, with upcoming Crashlytics for web.
Rustifying Vite: Designing a Hybrid Toolchain for the Real World
Web Engineering Summit 2026Web Engineering Summit 2026
6 min
Rustifying Vite: Designing a Hybrid Toolchain for the Real World
The Talk explores JavaScript, TypeScript, Vite, and the move towards rolldown as a unified bundler. Rolldown combines the best features from previous tools, addressing challenges of multiple bundlers and complexity. It offers advanced chunking and a built-in minifier for optimized bundles. Integration of Rust-based bundles with JavaScript ecosystem through Swangular, filter functions, native Rust plug-ins, module resolution, TypeScript JSX transform, and toolchain V+ is discussed.
Popular
React
Replacing Form Libraries With Native Web APIs
React Summit 2026React Summit 2026
17 min
Replacing Form Libraries With Native Web APIs
Jamin discusses the shift from using form libraries to native web APIs in React development, emphasizing the benefits of exploring web-native APIs before relying on libraries. The talk covers topics such as Constraint Validation API, React 19 form actions, and CSS pseudo-classes for form building without libraries. It highlights real-time validation, simplified form submission, and custom error handling in React forms. The importance of customizing error messages, setting up custom error handling, and optimizing form performance are also addressed, along with challenges and recommendations for utilizing web native APIs in form development.
Giving AI Agents Hands: Mobile Feedback Loops with Agent Device
React Summit 2026React Summit 2026
26 min
Giving AI Agents Hands: Mobile Feedback Loops with Agent Device
The speaker discusses the evolution of AI agent workflow in mobile development, emphasizing the importance of feedback loops and verification. They highlight the challenges of human involvement as agents dominate code production. Agent Device simplifies mobile automation by focusing on accessibility trees and text-based actions. The tool enhances app verification, debugging capabilities, and provides advanced features like network issue identification. Agent Device is versatile for CI setup, feedback loops, and visual regression detection. It supports real devices and offers capabilities for migrations and automation. Additionally, the speaker compares flakiness and TV platform support, showcasing performance improvements over traditional tools.
Mess to Modern: Refactoring a React Nightmare
React Summit 2026React Summit 2026
18 min
Mess to Modern: Refactoring a React Nightmare
Have you ever faced complex and messy React codebases? Caleb Garner shares a five-step playbook to transform a 900-line React component. Addressing systematic modularity and organization structure for better code management. Enhancing codebase structure by extracting business logic for testability and maintainability. Streamlining state and data management for robust codebases. Establishing predictable data handling with userReducer for structured state management. Optimizing component modularity for reusability and efficient data management. Emphasizing caller-controlled layout and streamlined development experience through five key principles.
Lessons From Adopting React Compiler
React Summit US 2025React Summit US 2025
23 min
Lessons From Adopting React Compiler
Akash Hamilwasia presenting at React Summit 2025, shares React Compiler learnings and works on an AI audio platform. Memoization in React helps optimize UI performance by preventing unnecessary re-renders. React Compiler offers automatic memoization through static code analysis. React rules emphasize purity and immutability. The compiler analyzes and memoizes code changes for optimization. React Compiler package usage improves performance through code analysis. Understanding reactivity issues is crucial for handling React state. Compiler optimization requires correct dependency arrays and usage of external libraries. Measure React Compiler impact using React Profiler for optimization and real user impact analysis.
Modernizing Your React App: Compiler, useEffectEvent, Activity & Friends
React Summit 2026React Summit 2026
27 min
Modernizing Your React App: Compiler, useEffectEvent, Activity & Friends
Victor shares experiences inheriting codebase and explains the importance of React's updates for code cleanliness. Agenda includes React evolution, API usage, modernization playbook, and insightful discussions. React 19 impact on React's evolution towards a declarative model for state management and form handling. React's shift towards a declarative model, impacting form handling and state management with React 19 updates, including new APIs and the importance of the React compiler for efficient development. Using React compiler for efficient development and code simplification. Measuring code base changes with memorization hooks identification. Introducing user fact event API for dependency-free code. Handling state persistence challenges with the Activity API for seamless user experiences and resource management. Utilizing the Activity API for precise state management and resource optimization in React Native applications. Exploring powerful user cases: tabs example, pre-rendering, and back navigation benefits with the Activity API. Exploring the value of instant experiences with back navigation and code optimization through API adoption. Measuring success, avoiding AI dependence, and understanding the importance of learning for effective development. Addressing challenges post-AI era, emphasizing responsibility in learning, maintaining control, and ensuring security. Practical steps include using React compiler, auditing code for Activity API integration, and optimizing data flow for enhanced user experience.
Scaling React: What Actually Matters
React Summit 2026React Summit 2026
30 min
Scaling React: What Actually Matters
Tathagath discusses the misconception of React's role in app slowness and emphasizes architecture over React performance. Context impact on app rendering is explored, along with React compiler enhancements. Global state misuse and state management in React are addressed. Performance pitfalls, optimizing app performance, and the impact of third-party scripts on React are discussed. Strategic management of third-party scripts and common mistakes in SSR applications are highlighted. Recognizing hydration costs and architectural impacts in React, as well as shifting mindset for performance optimization, are key points.
React Bits: The Art of Standout UI
React Summit 2026React Summit 2026
21 min
React Bits: The Art of Standout UI
David, creator of React Bits, shares insights on designing standout UI components, emphasizing the importance of distinct interfaces without being noisy. ReactVids focuses on creating reusable visual moments for developers, ensuring standout UI accessibility. Community-driven evolution of React Bits prioritizes customization, usability, and key UI qualities. Magic Rings exemplifies the balance and purpose needed in UI components. The versatility of Magic Rings showcases the importance of a flexible visual system. Exploring shaders enhances the control and visual richness of Magic Rings. Leveraging shader uniforms enables dynamic visual effects in React components. Real creative controls in component design emphasize meaningful customization. Strategic props play a crucial role in reusable creative component development. The philosophy of React Bits focuses on easy adoption, customization, and providing a strong starting point for distinct interfaces. ReactVids aims to create memorable, intentional, and unique user moments in UI design.
React Strict Dom: Cross-Platform React Based on the Web
React Summit US 2025React Summit US 2025
29 min
React Strict Dom: Cross-Platform React Based on the Web
Talk on cross-platform React using ReactStrict DOM to unify web and native React, standardizing for consistent UI development. Fragmentation challenges in React due to lack of standardized styling systems, impacting development efficiency and product consistency. Exploring unsuccessful cross-platform React approaches and the importance of minimizing migration costs. Enabling web developers to build native apps with React Native while enhancing it with web APIs for seamless code migration. Benefits of code sharing for cross-platform apps, AI integration for React Strict DOM, and the future vision for React Native as a web renderer. Unified styling in React Native, Tailwind integration, and UI best practices. Flexibility and readiness in React DOM, potential inclusion in React Foundations, and considerations for reversibility of decisions in React DOM.
React Beyond the DOM
React Summit US 2025React Summit US 2025
27 min
React Beyond the DOM
Eric Rasmussen discusses React beyond the DOM, React PDF, Ink tools, and rendering to Markdown. The overview includes React Reconciler, host configuration, state management with real-world entities like light bulbs, and building a traffic light state machine visually. The talk also covers securing third-party JavaScript, expanding React rendering possibilities, advanced tooling for state machines, controlling light bulbs via renderer callbacks, server functions for fetch in the cloud, and potential robot programming with React.
Gotta Go Fast: React at 60 FPS
React Summit 2026React Summit 2026
16 min
Gotta Go Fast: React at 60 FPS
Rachel Kaufman discusses animating in React without libraries for high performance. Client project for the International Spy Museum involved facial recognition education using React. React's unconventional use for complex UI animation in museum exhibits. Optimizing animation performance in React with request animation frame and using canvas for drawing. Managing continuous animations in React for smooth transitions. Leveraging canvas and refs for drawing and direct DOM access in React. Implementing complex animations with refs and request animation frame in React. Using memo and request animation frame for preventing unnecessary re-renders. Automating React debugging with Chrome DevTools and performance analysis with console.time.
Node.js
Breaking the Context Ceiling: Implementing Recursive Language Models with LangGraph and TypeScript
Node Congress 2026Node Congress 2026
21 min
Breaking the Context Ceiling: Implementing Recursive Language Models with LangGraph and TypeScript
Jamal Legaro discusses challenges with context windows in language models and recursive language models as a solution. Enhancing language model performance through metadata and summaries, orchestrator copies, and comparing scaffold and RLM approaches. Efficient management of language model operations with slicing, recursion, code execution, and context window handling. Graph-based workflow design in Langchain for agent connections and state management. Workflow management, document analysis, and using RLM for processing large documents. Detailed workflow setup, code structure with Langsmith, and node definitions with RLM benefits for cost considerations and production readiness.
Unlocking the Power of the Dependency Graph
Node Congress 2026Node Congress 2026
19 min
Unlocking the Power of the Dependency Graph
Rui Adorno emphasizes the power of dependency graphs in JavaScript projects, highlighting the underutilized graph structure and the importance of understanding metadata. The discussion delves into advanced dependency selector syntax, integrating query language with VLT client for updates and additions, running tests, and updating versions. The exploration of VLT client features includes secure package installs, phased installation processes, and DSS capabilities. Multi-project package filtering is expanded through DSS query language with a host local selector for benefits like script inspection and AI agents.
JavaScript File Handling Like a Pro: From ZIP Streams to Memory-Efficient Parsing
JSNation US 2025JSNation US 2025
24 min
JavaScript File Handling Like a Pro: From ZIP Streams to Memory-Efficient Parsing
Node.js offers significant capabilities for efficient file handling, emphasizing the importance of processing files effectively to avoid crashes and memory issues. Understanding streams, backpressure, and stream concepts like readable, writable, duplex, and transform streams is crucial for efficient file handling. Streams enable working with data in chunks, ensuring stable memory usage and efficient applications. Backpressure in streams optimizes memory usage by processing data incrementally, unlike loading entire files into memory. Utilizing readable streams in processing improves concurrency and avoids blocking the event loop.
Node.js + TypeScript: A Native Integration Years in the Making
JSNation US 2025JSNation US 2025
19 min
Node.js + TypeScript: A Native Integration Years in the Making
Welcome to JS Nation. Marco Ippolito discusses NodeJS and TypeScript integration, challenges, and growth. TypeStripping in Node.js removes TypeScript syntax for execution. Efficient TypeStripping in Node 22 skips SourceMaps, aligns with TypeScript versions. Enhanced features in Node 22 support experimental TypeScript features with limitations. Node.js supports TypeScript features with erasable syntax and namespace in Node 23.8. Importing types correctly crucial to avoid errors. Node.js TypeScript integration update includes switching to TypeScript, browser support, and community involvement.
Why Node.js Needs an Application Server
Node Congress 2026Node Congress 2026
18 min
Why Node.js Needs an Application Server
Matteo Collina discusses Node.js, its single-threaded design, and the introduction of threads in 2018 for parallelism and CPU utilization. Node.js production monitoring focuses on application health, fault tolerance, and event loop efficiency. VAT architecture improves Node.js applications with thread migration and monitoring. Node.js manages threads and failures independently with Prometheus monitoring. Scalability in Node.js involves Kubernetes clusters and in-process scaling. Next.js with React SSR for Node.js applications enables dynamic scaling and performance. Node.js handles CPU blocking and SSR performance by utilizing multiple threads.
The State of Node.js 2025
JSNation US 2025JSNation US 2025
19 min
The State of Node.js 2025
Matteo Collina presents an updated talk on Node.js, discussing roles, open-source projects, and dispelling myths. He highlights Node.js vitality, contrasts with legacy technologies like COBOL and jQuery. The talk covers Node.js popularity, software reuse, module growth, and download stats. It addresses risks of not updating Node.js, LTS support phases, version updates, adoption rates, security measures, Node 24 features like ESM support and stable permissions. Collaboration processes, TSC role, governance, and benefits of Platformatic VAT for app development are also discussed.
From Legacy to Delight: The Future of Node.js DX
JSNation 2026JSNation 2026
21 min
From Legacy to Delight: The Future of Node.js DX
Claudio Bunder emphasizes the importance of Node.js documentation, highlighting its impact on the ecosystem and the challenges in maintaining it. Node.js API documentation tooling faces significant design and implementation hurdles, with a lack of documentation hindering user interaction. The transformation of Node.js API documentation was driven by the need to improve user experience. Dockit, an AST engine, streamlines API documentation generation with support for Markdown, JS Doc, and TS Doc, offering modular flexibility and community-driven documentation creation. Dockit's efficient processing of document structures and metadata, combined with a generator system, ensures high performance and scalability in API documentation generation.
The State of Node.js Security
Node Congress 2026Node Congress 2026
27 min
The State of Node.js Security
Introducing Node.js security overview, defining vulnerabilities, non-vulnerabilities, and preventive measures. Discussing Node.js API input validation, real vulnerabilities like HTTP server crashes, and the importance of Node.js security in widely used platforms. Discussing the importance of Node.js maintenance, the introduction of experimental permissions in Node.js 20, and the seatbelt philosophy to protect against malicious code. Discussing the importance of maintaining up-to-date Node.js versions and using tools like npx isMyNodeVulnerable for security checks. Discussing the importance of Node.js security releases, funding, and dependency vulnerability assessment for a safer Node.js environment. Using Node.js Dependency Vulnerability Assessment to evaluate and address potential vulnerabilities, ensuring automated security checks and updates for a safer Node.js environment. Automating Node.js security release process, including configuration files for dependencies, extensive testing across various environments, and creating security release issues and blog posts automatically. Support for various environments, extensive testing with over 55 suites and 5,000 unit tests, automation efforts to streamline processes, and the establishment of a maintenance threat model for enhanced security measures. For a single pull request, it takes six hours to run tests, automation efforts in progress, maintenance threat model to address security risks, permission model roadmap, ongoing discussions on security reports, and plans for the Node.js Collaborator Summit. Active community involvement in Node.js security development, four security releases from 2024 to 2026 addressing various vulnerabilities, end-of-life version strategy with Node.js 16 and 18 having high weekly downloads, and the approach to issuing CVEs for end-of-life versions. Node.js project's strategy adjustment for CVEs to include end-of-life versions, importance of Node.js threat model, trust boundaries, and developer responsibilities. Node.js protection against network data, upgrade recommendations for different Node.js versions, and upcoming changes in Node.js release schedule.
Node.js: More Threads Than You Think
React Advanced 2025React Advanced 2025
32 min
Node.js: More Threads Than You Think
The talk covers a range of topics including Node.js evolution to a multi-threaded system, scaling with the cluster module, managing PM2 for efficient orchestration, challenges in SSR frameworks, TCP SO reuse port for resource utilization, VAT architecture for smart service routing, zero downtime deployment with shared cache, performance benchmark results, PM2 performance challenges, legality and functionality of TCP SO reuse port, kernel balancing considerations, tool comparison between PM2 and Deno, cache consistency challenges, VAT architecture with worker thread recovery, T-scaling for vertical scaling, and updating Node V6 applications.
Stop Paying for AI APIs: npm Install Your Way to In-Process Inference
Node Congress 2026Node Congress 2026
26 min
Stop Paying for AI APIs: npm Install Your Way to In-Process Inference
Introduction by Ed Silva, a Node.js core collaborator, discussing the significance of AI in 2026. Companies facing challenges in AI implementation, focusing on AI integration and the need for developer skills. Demonstrations of Node.js egg cooking using Hug and Face community and model inference with Hug and Face Transformers. Transformers JS extending NLP to computer vision and audio tasks, utilizing O-N-N-X format for model execution. Tasks and examples available in Transformers.js for NLP and computer vision, emphasizing model differentiation and execution processes. Optimization techniques for model download trade-offs, GPU utilization, and experimentation possibilities with models like Hugging Face.
Testing
Think Like a Tester: What to Look For in AI-Generated Code
JSNation 2026JSNation 2026
16 min
Think Like a Tester: What to Look For in AI-Generated Code
Developers and QA engineer Wendy discuss the challenges in development and testing, using John's experience as an example. John encounters challenges with expired coupons affecting the checkout process and sprint deadlines. Developers and testers have complementary perspectives in software development; introducing the concept of QAI for enhanced quality assurance and collaboration. The QAI introduces a new perspective to code development, focusing on thorough alignment and error scanning for enhanced quality assurance. The importance of code alignment in development, the consequences of silent failures, and the necessity of handling potential hidden failures with a security-focused approach. AI builds fast and trusts everything, teaches suspicion, identifies trust gaps, and addresses accessibility failures for a secure code environment. Every team has patterns to anticipate, leveraging skills for immediate help, and focusing on effectiveness and protection in AI development. John and I collaborate using QAI to enhance code effectiveness, prioritize code alignment, fix contradictions, and address hidden failures effectively. Ship clean code timely, find bugs early to save time and trust. AI and QAI enhance speed and safety in development. Wendy emphasizes the importance of detecting bugs early and the impact on user trust and deadlines.
AI Can Generate Tests for You, Now What?
JSNation 2026JSNation 2026
22 min
AI Can Generate Tests for You, Now What?
Living in an exciting yet worrisome period, AI enhances productivity by generating tests. Considerations on scaling AI beyond test generation for high-quality products. AI simplifies test generation but raises quality concerns. Testing dependencies impact code validity. Overreliance on tests doesn't guarantee code safety. AI-generated tests may introduce hidden doubts. Workflow changes with AI assisting in performance, accessibility, benchmark, compliance, and setting up pipelines based on thresholds and risk assessments. Guidelines for working with AI as a team member, emphasizing the importance of standards, review checklists, and safeguarding code. Metrics, learning loops, and strategic improvement for better workflow scalability and testing model quality.
A Leak in the Shell – How Refactoring Autocomplete Broke Us and How We Fixed It
JSNation 2026JSNation 2026
26 min
A Leak in the Shell – How Refactoring Autocomplete Broke Us and How We Fixed It
The speaker presents a project to enhance autocomplete in a database CLI using TypeScript, discusses challenges with memory errors in testing, delves into Node.js memory management, explores system contexts and heap snapshots, examines JavaScript memory retention, evaluates the impact of context and eval on memory, uncovers Node.js core bugs and memory leak testing complexities, highlights the use of HeapSnapshots for memory leak detection, emphasizes the importance of application understanding in debugging, and stresses the significance of testing procedures and managing separate heaps.
Automated Accessibility Testing in React: Beyond the Basics
React Advanced 2025React Advanced 2025
9 min
Automated Accessibility Testing in React: Beyond the Basics
Introduction to Accessibility Testing in React applications, emphasizing early automation and challenges in scaling. Importance of instant feedback, Unity test, and entry testing for code accessibility. Utilizing end-to-end testing tools like Jest-Axi and Cypress to ensure accessibility compliance. Emphasis on manual testing alongside automated tools. Encouragement for discussions on LinkedIn to enhance accessibility knowledge.
Fast-Tracking Quality for Hundreds of React Applications With Automated Testing Layers
React Advanced 2025React Advanced 2025
29 min
Fast-Tracking Quality for Hundreds of React Applications With Automated Testing Layers
Discussion on improving release cycles and testing efficiency, transitioning to React Native, quality assurance challenges addressed through redefined responsibilities and test automation, shift-left approach for early testing and diversification of automated tests, efficient test execution with caching strategies, impact of caching on CI performance, efficiency with change recognition and caching, project-specific approaches for testing, test optimization with AI and Pyramid test structure, QA team transitioning to engineering, handling unautomated tests and test association, maintaining test stability with Git revert strategy.
Ashes to Ashes, Spec to Spec: The Rebirth of Modern Testing
React Summit 2026React Summit 2026
29 min
Ashes to Ashes, Spec to Spec: The Rebirth of Modern Testing
Gathering to bid farewell to Mocha, Jest, and Karma. From minimalism to Jest's migration with Vitest as the most popular framework. Yunus emphasizes finding the right balance in software tools like Angular and NX. Discussion on transitioning from Jest to VTest with a focus on careful approach and test migration efficiency. Insights on debugging mocks, object mothers, and the use of Wallaby JS for debugging in VTest. Exploring test control, browser debugging, configurations, troubleshooting user events, automation with Playwright, and VTest's automation engine. Focus on unit testing speed, scope, and complexity rules, IDE tools like WallabyJS, and GitWipe alias for development reset.
The 2025 State of JavaScript Testing
JSNation US 2025JSNation US 2025
27 min
The 2025 State of JavaScript Testing
Speaker reflects on the importance of testing, shares insights from the state of JS survey, and discusses future plans for JavaScript testing in 2025. Companies are exploring testing tools and methodologies based on surveys and personal data. Evolution of testing practices from browser to node-based environment with VTest adoption. Advancements in testing technology include VTest's role, Playwright for end-to-end testing, and comprehensive testing solutions. Progress in self-healing tests, AI integration, and tool resurgence like Storybook and MSW for API mocking. Diverse opinions on testing in 2025, with a focus on static analysis, VTest, and end-to-end testing resurgence to browser.