Your sneak peek at the redesigned Stack Overflow

Your sneak peek at the redesigned Stack Overflow

• In July 2025, at WeAreDevelopers, we shared a new vision and mission for the future of Stack Overflow and its community • We also committed to pushing ourselves to experiment and

Developer Ecosystem · February 25, 2026 (updated February 25, 2026) · 2 min · 233 words
Academic Publications & Airbnb Tech: 2025 Year in Review

Academic Publications & Airbnb Tech: 2025 Year in Review

• Academic Publications & Airbnb Tech: 2025 Year in Review 2025 was a big year for research at Airbnb, as we made significant progress toward our mission to use AI, data science, a

Developer Ecosystem · February 24, 2026 (updated February 25, 2026) · 2 min · 274 words
Multi-agent workflows often fail. Here's how to engineer ones that don't.

Multi-agent workflows often fail. Here's how to engineer ones that don't.

• Share: If you’ve built a multi-agent workflow, you’ve probably seen it fail in a way that’s hard to explain. • The system completes, and agents take actions. • But somewhere alon

Developer Ecosystem · February 24, 2026 (updated February 25, 2026) · 2 min · 219 words
Dogfood so nutritious it's building the future of SDLCs

Dogfood so nutritious it's building the future of SDLCs

• Codex CLI is a coding agent from OpenAI that runs locally on your computer. • Try it now with your Free or Go ChatGPT plan. • You can keep up with everything happening at OpenAI

Developer Ecosystem · February 24, 2026 (updated February 25, 2026) · 2 min · 266 words
Defense against uploads: Q&A with OSS file scanner, pompelmi

Defense against uploads: Q&A with OSS file scanner, pompelmi

• With bad code being easier than ever to write thanks to AI, application security is ever more important. • One of the earliest attack vectors for the internet are file uploads, a

Developer Ecosystem · February 23, 2026 (updated February 25, 2026) · 2 min · 315 words
Even GenAI uses Wikipedia as a source

Even GenAI uses Wikipedia as a source

• They discuss how this project helped offload the burden that scraping was creating for their sites, what Wikimedia.DE is doing to maintain data integrity for their entries, and t

Developer Ecosystem · February 20, 2026 (updated February 25, 2026) · 2 min · 226 words
How AI is reshaping developer choice (and Octoverse data proves it)

How AI is reshaping developer choice (and Octoverse data proves it)

• Share: You know that feeling when a sensory trigger instantly pulls you back to a moment in your life? • For me, it’s Icy Hot. • One whiff and I’m back to 5 a.m. • formation time

Developer Ecosystem · February 19, 2026 (updated February 25, 2026) · 1 min · 177 words
Why Stack Overflow and Cloudflare launched a pay-per-crawl model

Why Stack Overflow and Cloudflare launched a pay-per-crawl model

• In this episode of Leaders of Code, Stack Overflow’s Janice Manningham and Josh Zhang sit down with Cloudflare VP Will Allen to discuss the innovative pay-per-crawl model co-laun

Developer Ecosystem · February 19, 2026 (updated February 25, 2026) · 2 min · 284 words
What to expect for open source in 2026

What to expect for open source in 2026

• Share: Over the years (decades), open source has grown and changed along with software development, evolving as the open source community becomes more global. • But with any grow

Developer Ecosystem · February 18, 2026 (updated February 25, 2026) · 2 min · 223 words
Safeguarding Dynamic Configuration Changes at Scale

Safeguarding Dynamic Configuration Changes at Scale

• Safeguarding Dynamic Configuration Changes at Scale How Airbnb ships dynamic config changes safely and reliably By Cosmo Qiu, Bo Teng, Siyuan Zhou, Ankur Soni, Willis Harvey Dyna

Developer Ecosystem · February 18, 2026 (updated February 25, 2026) · 2 min · 245 words
Mind the gap: Closing the AI trust gap for developers

Mind the gap: Closing the AI trust gap for developers

• Stack Overflow’s 2025 developer survey revealed a puzzle: Developers’ use of AI rose, with more than 84% of respondents using or planning to use AI tools in 2025. • But their tru

Developer Ecosystem · February 18, 2026 (updated February 25, 2026) · 1 min · 212 words
Securing the AI software supply chain: Security results across 67 open source projects

Securing the AI software supply chain: Security results across 67 open source projects

• Securing the AI software supply chain: Security results across 67 open source projects Learn how The GitHub Secure Open Source Fund helped 67 critical AI‑stack projects accelerat

Developer Ecosystem · February 17, 2026 (updated February 25, 2026) · 2 min · 238 words
Data is the new oil, and your database is the only way to extract it

Data is the new oil, and your database is the only way to extract it

• Data is the new oil, and your database is the only way to extract it Ryan sits down with Shireesh Thota, CVP of Azure Databases at Microsoft, to discuss the evolution of database

Developer Ecosystem · February 17, 2026 (updated February 25, 2026) · 1 min · 198 words
Even your voice is a data problem

Even your voice is a data problem

• They cover how Deepgram is improving speech-to-text and text-to-speech capabilities using deep learning to take on challenges posed by dialects and noisy environments and the mor

Developer Ecosystem · February 13, 2026 (updated February 25, 2026) · 2 min · 226 words
Automate repository tasks with GitHub Agentic Workflows

Automate repository tasks with GitHub Agentic Workflows

• Try GitHub Agentic Workflows in a repo today! • Install gh-aw , add a starter workflow or create one using AI, and run it. • Then, share what you build (and what you want next).

Developer Ecosystem · February 13, 2026 (updated February 25, 2026) · 1 min · 209 words
Welcome to the Eternal September of open source. Here's what we plan to do for maintainers.

Welcome to the Eternal September of open source. Here's what we plan to do for maintainers.

• Open collaboration runs on trust. • For a long time, that trust was protected by a natural, if imperfect filter: friction. • If you were on Usenet in 1993, you’ll remember that e

Developer Ecosystem · February 12, 2026 (updated February 24, 2026) · 1 min · 183 words
How everyone and anyone can use AI for good

How everyone and anyone can use AI for good

• note: This blog is part two of a two part series. • Read part one on organizations using AI for humanitarian and environmental good here.] The battle for good in a world of bad I

Developer Ecosystem · February 12, 2026 (updated February 24, 2026) · 2 min · 283 words
GitHub availability report: January 2026

GitHub availability report: January 2026

• Share: In January, we experienced two incidents that resulted in degraded performance across GitHub services. • January 13 09:38 UTC (lasting 46 minutes) On January 13, 2026, fro

Developer Ecosystem · February 11, 2026 (updated February 24, 2026) · 2 min · 259 words

My Journey to Airbnb - Anna Sulkina

• Anna Sulkina has always been a traveler, and we’re lucky her travels have brought her to Airbnb. • Anna is a Senior Director of Engineering, and she’s responsible for Application

Developer Ecosystem · February 11, 2026 (updated February 24, 2026) · 2 min · 215 words
Is anyone using AI for good?

Is anyone using AI for good?

• When the first wave of modern-day AI hype started, a lot of people I knew were worried. • Much of that worry has, so far and unfortunately, been well-founded. • AI has done a lot

Developer Ecosystem · February 11, 2026 (updated February 24, 2026) · 1 min · 185 words
The logos, ethos, and pathos of your LLMs

The logos, ethos, and pathos of your LLMs

• They discuss the challenges of understanding human cognition, the implications of probabilistic AI ’thinking,’ and where Aristotle fits into the philosophical discussions we’re h

Developer Ecosystem · February 10, 2026 (updated February 24, 2026) · 2 min · 259 words
Why demand for code is infinite: How AI creates more developer jobs

Why demand for code is infinite: How AI creates more developer jobs

• Much has been said about AI decimating the job market for developers. • In an industry changing this quickly, we certainly can’t blame people-especially junior and aspiring engin

Developer Ecosystem · February 9, 2026 (updated February 24, 2026) · 2 min · 246 words
AI attention span so good it shouldn't be legal

AI attention span so good it shouldn't be legal

• First, Ryan welcomes Pathway CEO Zuzanna Stamirowska and CCO Victor Szczerba to dive into their development of Baby Dragon Hatchling, the first post-transformer frontier model, f

Developer Ecosystem · February 6, 2026 (updated February 24, 2026) · 2 min · 248 words
Continuous AI in practice: What developers can automate today with agentic CI

Continuous AI in practice: What developers can automate today with agentic CI

• GitHub Staff GitHub is the world’s best developer experience and the only AI-powered platform with security incorporated into every step, so you can innovate with confidence. • T

Developer Ecosystem · February 5, 2026 (updated February 24, 2026) · 2 min · 232 words
Pick your agent: Use Claude and Codex on Agent HQ

Pick your agent: Use Claude and Codex on Agent HQ

• Share: Context switching equals friction in software development. • Today, we’re removing some of that friction with the latest updates to Agent HQ which lets you run coding agen

Developer Ecosystem · February 4, 2026 (updated February 24, 2026) · 2 min · 232 words
Code smells for AI agents: Q&A with Eno Reyes of Factory

Code smells for AI agents: Q&A with Eno Reyes of Factory

• Factory builds autonomous coding agents for large engineering teams, covering full SDLC. • Their platform includes tools to assess code quality and agent impact. • Factory’s agen

Developer Ecosystem · February 4, 2026 (updated February 24, 2026) · 1 min · 181 words
What the fastest-growing tools reveal about how software is being built

What the fastest-growing tools reveal about how software is being built

• Share: In 2025, software development crossed a quiet threshold. • Inour latest Octoverse report, we found that the fastest-growing languages, tools, and open source projects on G

Developer Ecosystem · February 3, 2026 (updated February 24, 2026) · 2 min · 214 words
Generating text with diffusion (and ROI with LLMs)

Generating text with diffusion (and ROI with LLMs)

• In part 1, Ryan chats with the co-founder and CEO of Inception, Stefano Ermon, about diffusion language models and how their multiple token generation compares to traditional LLM

Developer Ecosystem · February 3, 2026 (updated February 24, 2026) · 2 min · 227 words
How to maximize GitHub Copilot's agentic capabilities

How to maximize GitHub Copilot's agentic capabilities

• How to maximize GitHub Copilot’s agentic capabilities A senior engineer’s guide to architecting and extending Copilot’s real-world applications. • Modern engineering work rarely

Developer Ecosystem · February 2, 2026 (updated February 24, 2026) · 1 min · 201 words
What's new at Stack Overflow: February 2026

What's new at Stack Overflow: February 2026

• Welcome to the February recap of what’s new on stackoverflow.com. • This month, we’ve launched several improvements to AI Assist, opened Chat to all users on Stack Overflow, laun

Developer Ecosystem · February 2, 2026 (updated February 24, 2026) · 2 min · 220 words
Wanna see a CSS magic trick?

Wanna see a CSS magic trick?

• They talk about the importance of accessibility in web design, how the web went from table-based layouts to modern CSS techniques, and exciting developments coming to CodePen 2.0

Developer Ecosystem · January 30, 2026 (updated February 24, 2026) · 2 min · 215 words
Scaling enterprise AI: lessons in governance and operating models from IBM

Scaling enterprise AI: lessons in governance and operating models from IBM

• Key takeaways - Successful AI implementation at the enterprise level requires balancing timely innovation and experimentation with governance, security, and trust. • - Successful

Developer Ecosystem · January 29, 2026 (updated February 24, 2026) · 2 min · 267 words
Are you learning with AI? We want to know about it!

Are you learning with AI? We want to know about it!

• Since its creation in 2008, Stack Overflow has been a trusted part of the software engineer’s learning process. • Got an undocumented bug? • Found some undocumented behavior in y

Developer Ecosystem · January 29, 2026 (updated February 24, 2026) · 1 min · 196 words
My Journey to Airbnb: Peter Coles

My Journey to Airbnb: Peter Coles

• My Journey to Airbnb: Peter Coles – Listen Share Public school to PhD The story of Airbnb’s Head Economist for Policy and Director of Data Science involves geology, co-teaching

Developer Ecosystem · January 28, 2026 (updated February 24, 2026) · 2 min · 234 words
From pixels to characters: The engineering behind GitHub Copilot CLI's animated ASCII banner

From pixels to characters: The engineering behind GitHub Copilot CLI's animated ASCII banner

• GitHub Copilot CLI’s animated ASCII banner showcases complex terminal UI engineering. • Building the banner required handling diverse ANSI color interpretations across terminals.

Developer Ecosystem · January 28, 2026 (updated February 24, 2026) · 2 min · 273 words
Year recap and future goals for the GitHub Innovation Graph

Year recap and future goals for the GitHub Innovation Graph

• Year recap and future goals for the GitHub Innovation Graph Discover the latest trends and insights on public software development activity on GitHub with data from the Innovatio

Developer Ecosystem · January 28, 2026 (updated February 24, 2026) · 2 min · 261 words
Are bugs and incidents inevitable with AI coding agents?

Are bugs and incidents inevitable with AI coding agents?

• SPONSORED BY CODERABBIT Companies are looking to harness agentic code generators to get software built faster. • But for every story of increased developer productivity or greate

Developer Ecosystem · January 28, 2026 (updated February 24, 2026) · 2 min · 234 words
7 learnings from Anders Hejlsberg: The architect behind C# and TypeScript

7 learnings from Anders Hejlsberg: The architect behind C# and TypeScript

• Fast feedback loops are critical; they empower developers to experiment and refactor confidently. • Performance constraints shape language design; efficient abstractions must be

Developer Ecosystem · January 27, 2026 (updated February 24, 2026) · 1 min · 181 words
Spy vs spy at scale

Spy vs spy at scale

• AI reshapes espionage, intensifying global intelligence rivalry and prompting new defensive strategies. • China’s tech surge fuels new espionage tactics and countermeasures, resh

Developer Ecosystem · January 27, 2026 (updated February 24, 2026) · 1 min · 174 words
Stack Gives Back 2025!

Stack Gives Back 2025!

• Stack Gives Back 2025 donated $49,300 to seven charities, reflecting community priorities. • Doctors Without Borders received $14,983, top choice for medical aid worldwide. • Int

Developer Ecosystem · January 26, 2026 (updated February 24, 2026) · 1 min · 174 words
AI can 10x developers...in creating tech debt

AI can 10x developers...in creating tech debt

• Artemis, TurinTech’s AI engineering platform, helps teams safely evolve, improve, and maintain existing codebases. • AI can generate new tech debt, yet often fails to deliver the

Developer Ecosystem · January 23, 2026 (updated February 24, 2026) · 2 min · 225 words
Automate your security whack-a-mole: Q&A with Exaforce

Automate your security whack-a-mole: Q&A with Exaforce

• Exaforce automates security responses, turning manual, attack‑specific actions into scalable, real‑time workflows. • It enables startups to build a SOC in days, without buying to

Developer Ecosystem · January 22, 2026 (updated February 24, 2026) · 1 min · 190 words
Is that allowed? Authentication and authorization in Model Context Protocol

Is that allowed? Authentication and authorization in Model Context Protocol

• MCP enables AI agents to access services via standardized remote APIs, similar to REST. • Authentication and authorization happen at the transport layer, ensuring secure client-s

Developer Ecosystem · January 21, 2026 (updated February 24, 2026) · 1 min · 186 words
Don't let your backend write checks your frontend can't cache

Don't let your backend write checks your frontend can't cache

• Xano provides a no-code backend platform with visual logic, APIs, and modular AI components. • Prakash Chandran, former Google UX lead, now CEO of Xano, shares backend insights.

Developer Ecosystem · January 20, 2026 (updated February 24, 2026) · 1 min · 187 words

Pay As a Local

• How Airbnb rolled out 20+ locally relevant payment methods worldwide in just 14 months By: Gerum Haile , Bo Shi, Yujia Liu , Yanwei Bai , Bo Yuan , Rory MacQueen , Yixia Mao Acro

Developer Ecosystem · January 12, 2026 (updated February 24, 2026) · 2 min · 346 words
Streamlining Security Investigations with Agents

Streamlining Security Investigations with Agents

• Slack’s Security Engineering team is responsible for protecting Slack’s core infrastructure and services. • Our security event ingestion pipeline handles billions of events per d

Developer Ecosystem · December 1, 2025 (updated February 24, 2026) · 2 min · 325 words
Android VPAT journey

Android VPAT journey

• Background A Voluntary Product Accessibility Template (VPAT) is a document that outlines how well a product aligns with accessibility (a11y) standards. • Its primary purpose is t

Developer Ecosystem · November 19, 2025 (updated February 24, 2026) · 2 min · 316 words
Build better software to build software better

Build better software to build software better

• We manage the build pipeline that delivers Quip and Slack Canvas’s backend. • A year ago, we were chasing exciting ideas to help engineers ship better code, faster. • But we had

Developer Ecosystem · November 6, 2025 (updated February 24, 2026) · 2 min · 268 words

GraphQL Data Mocking at Scale with LLMs and @generateMock

• How Airbnb combines GraphQL infra, product context, and LLMs to generate and maintain convincing, type-safe mock data using a new directive. • Introduction Producing valid and re

Developer Ecosystem · October 30, 2025 (updated February 24, 2026) · 2 min · 268 words
Advancing Our Chef Infrastructure: Safety Without Disruption

Advancing Our Chef Infrastructure: Safety Without Disruption

• Last year, I wrote a blog post titled Advancing Our Chef Infrastructure, where we explored the evolution of our Chef infrastructure over the years. • We talked about the shift fr

Developer Ecosystem · October 23, 2025 (updated February 24, 2026) · 2 min · 357 words

From Static Rate Limiting to Adaptive Traffic Management in Airbnb's Key-Value Store

• How Airbnb hardened Mussel, our key-value store, with smarter traffic controls to stay fast and reliable during traffic spikes. • By Shravan Gaonkar , Casey Getz , Wonhee Cho Int

Deploy Safety: Reducing customer impact from change

Deploy Safety: Reducing customer impact from change

• It’s mid 2023 and we’ve identified some opportunities to improve our reliability. • Fast forward to January 2025. • Customer impact hours are reduced from the peak by 90% and con

Building a Next-Generation Key-Value Store at Airbnb

• How we completely rearchitected Mussel, our storage engine for derived data, and lessons learned from the migration from Mussel V1 to V2. • By Shravan Gaonkar , Chandramouli Rang

Developer Ecosystem · September 24, 2025 (updated February 24, 2026) · 2 min · 321 words

Viaduct, Five Years On: Modernizing the Data-Oriented Service Mesh

• A more powerful engine and a simpler API for our data-oriented mesh By: Adam Miskiewicz, Raymie Stata In November 2020 we published a post about Viaduct, our data-oriented servic

Developer Ecosystem · September 17, 2025 (updated February 24, 2026) · 2 min · 219 words

Taming Service-Oriented Architecture Using A Data-Oriented Service Mesh

• Introducing Viaduct, Airbnb’s data-oriented service mesh By: Raymie Stata, Arun Vijayvergiya, Adam Miskiewicz At Hasura’s Enterprise GraphQL Conf on October 22, we presented Viad

Developer Ecosystem · September 16, 2025 (updated February 24, 2026) · 2 min · 239 words
Building Slack's Anomaly Event Response

Building Slack's Anomaly Event Response

• As cyberattacks evolve to unprecedented levels of sophistication and speed, the time gap between breach detection and response has never been more critical. • Traditional securit

Developer Ecosystem · September 4, 2025 (updated February 24, 2026) · 2 min · 297 words

Migrating Airbnb's JVM Monorepo to Bazel

• By: Jack Dai, Howard Ho, Loc Dinh, Stepan Goncharov, Ted Tenedorio, and Thomas Bao At Airbnb, we recently completed migrating our largest repo, the JVM monorepo, to Bazel. • This

Seamless Istio Upgrades at Scale

Seamless Istio Upgrades at Scale

• Seamless Istio Upgrades at Scale How Airbnb upgrades tens of thousands of pods on dozens of Kubernetes clusters to new Istio versions Airbnb has been running Istio® at scale sinc

Optimizing Our E2E Pipeline

Optimizing Our E2E Pipeline

• Frontend builds consumed ~5 minutes of a 10-minute E2E pipeline, even without frontend changes. • Hundreds of PRs per day caused thousands of redundant builds, generating terabyt

How we built enterprise search to be secure and private

How we built enterprise search to be secure and private

• Slack AI built from scratch, prioritizing security and privacy for enterprise users. • Customer data never exits Slack’s trust boundary; no LLM training on proprietary content. •