Paginating large datasets in production: Why OFFSET fails and cursors win

The things that separate an MVP from a production-ready app are polish, final touches, and the Pareto ‘last 20%’ of work. Many of the bugs, edge cases, and perf...

Logging in React Native with Sentry

Logs are often the first place dev teams look when they investigate an issue. But logs are often added as an afterthought, and developers struggle with the bala...

Not everything that breaks is an error: a Logs and Next.js story

Stack traces are great, but they only tell you what broke. They rarely tell you why. When an exception fires, you get a snapshot of the moment things went sidew...

Meet Sentry’s 2025 Fall Interns

At Sentry, interns aren’t just observers, they’re teammates who ship meaningful work. This fall, our software engineering interns across our San Francisco and T...

Unity SDK 4.0.0: Console support, logs, user feedback and more

We just released the Sentry SDK for Unity 4.0.0 , our biggest update yet. This major release brings comprehensive gaming console support, structured logging, us...

Trace-connected structured logging with LogTape and Sentry

As our applications grow from simple side projects into complex distributed systems with many users, the “old way” of console.log debugging isn’t going to hold ...

Another year, another $750,000 to Open Source maintainers

Bored yet? 2025 was the fifth year in a row (2024, 2023, 2022, 2021) that Sentry gave a pretty hefty chunk of change to the maintainers of the Open Source softw...

Building a Code Review system that uses prod data to predict bugs

This post takes a closer look at how Sentry’s AI Code Review actually works. As part of Seer, Sentry’s AI debugger, it uses Sentry context to accurately predict...

Cocoa SDK 9.0.0 has landed

We just released Cocoa SDK 9.0.0, here's what's new, and what's changed. It's been a while since the last major version. The last major release, 8.0.0, shipped ...

A better way to monitor your AI agents in .NET apps

We launched agent monitoring earlier this year, allowing our users to instrument LLM usage and tool calls in their applications. However, we only had Agent Moni...

Meet Web Vitals Performance Issues

We’ve introduced a new type of Performance Issues, Web Vitals Performance Issues. These issues will be opened for the highest opportunity pages in your applicat...

AI updates for all Sentry users

Instead of giving you yet another chatbot, we built AI straight into the parts of Sentry where teams lose time, turning your existing data into instant context ...

<100ms E-commerce: Instant loads with Speculation Rules API

In e-commerce, we all know that speed = money. I know it, you know it, Amazon knows it, eBay knows it, Shopify knows it, everyone knows it. In this article we’l...

Eliminating N+1 Queries with Seer’s Automated Root Cause Analysis

When I was working at Shopify, major traffic moments were our Superbowl. We initiated code-freeze weeks before to make sure merchants wouldn’t have any unexpect...

Seer can now trigger Cursor Agents to fix your bugs

We just launched our Cursor Cloud Agent integration. Now when Seer finds a bug, it can hand it off to Cursor—replete with all the context Sentry has about the i...

The metrics product we built worked — But we killed it and started over anyway

Two years ago, Sentry built a metrics product that worked great on paper. But when we dogfooded it, we realized it was not what our customers really needed. Two...

Introducing Logs, User Feedback, and more in the Sentry Godot SDK

With the first stable releases out of the gate, we’re happy to announce that Sentry’s Godot SDK is now ready for general use, supporting Windows, Linux, macOS, ...

Introducing webvitals.com: Find out what’s slowing down your site

Developers don’t need another “run this tool, stare at a number, and feel bad about it” website. So we built something different. WebVitals helps you analyze, o...

Sentry has a bold new look

As you may have noticed, Sentry just got a major glow-up. For too long our product looked like boring enterprise software, while our brand screamed bold and irr...

The Dawn of the 10x Team

Previously, I wrote about how debugging, whether done by humans or AI powered tools, depends on context. Without it, even the most capable systems can only tell...

Using Sentry Logs to Debug a Dynamic Sampling Issue

Some of the team at Sentry spent this past quarter fixing bugs, more than 800 to be exact. Among them was a complex issue causing transaction spikes in our own ...

Monitor and reduce your mobile app size with Size Analysis (beta)

Note: This blog post was originally published for the Early Access of Size Analysis. if you're already familiar with Size Analysis in Sentry, go to the section ...

Not so "mini"-dumps: How we found missing crashes on SteamOS

We shipped an improvement to Sentry's game engine and native SDKs that most developers probably didn’t even notice until now – unless they were explicitly aimin...

AI Code Review: 30K Bugs Lighter, 50% faster

Last month, we launched AI Code Review, our developer tool that automatically catches bugs, finds performance issues, and helps you ship PRs faster. 30 days lat...

Unreal Engine crash reporting now available on gaming consoles with trace-connected logs

With the first major release of the Sentry Unreal SDK (now on v1.2.0, and you can also explore in our interactive sandbox), we’ve made some important improvemen...

Improving browser tracing step by step

Browser tracing has always been one of those things that feels invisible until it isn’t. When it works well, you get clear, actionable insights into how your ap...

Vibe Coding: Closing The Feedback Loop With Traceability

I have begun to truly embrace vibe coding over the last few months, using Cursor as my main code editor and Claude Sonnet 4 for my agent's LLM. It's an exciting...

Meet Sentry’s 2025 summer interns

At Sentry, interns aren’t just along for the ride, they’re part of the team. This summer, our crew of software engineers, biz ops problem-solvers, and even an a...

Session Replay: Becoming your own digital secret shopper

Retail stores have long relied on a secret weapon to measure and improve the shopping experience: the secret shopper. Posing as ordinary customers, they evaluat...

Sentry AI code review, now in beta: break production less

This could’ve been prevented. This should have been prevented. This too. We all hate getting tagged in PRs. The time, the blame for when you inevitably miss som...

Inside Sentry’s Hackweek: An excuse to break things

During Sentry’s Hackweek, many ‘sentaurs’ used the opportunity to build useful additions to the Sentry service to help provide value for years to come. Not us t...

I turned error messages into a sales machine (by accident)

Dan Mindru is a Frontend Developer and Designer who is also the co-host of the Morning Maker Show. Dan is currently developing a number of applications includin...

Frontend JavaScript performance testing: A comprehensive guide

When a page pauses for even a quarter-second users feel it, and many will tab away before the spinner stops. Front-end performance testing lets us spot those de...

How we used Sentry’s User Feedback widget to shape Logs throughout beta

At Sentry, we build in public and we move fast. But moving fast means we don’t always get everything right on the first try. That’s where feedback comes in: it ...

Debugging and logging in Laravel applications

Logic errors, failed HTTP requests, background jobs that ghost silently—software breaks in all kinds of fun ways. The difference between resilient systems and f...

Crash reporting for gaming consoles is now Generally Available

TL;DR: Error monitoring and crash reporting for all major gaming consoles is now generally available (plus, the v1.1 of our Unreal Engine SDK). Already convince...

SvelteKit observability just got 10x better, and we’re here for it

The Svelte Team recently announced full observability and tracing support for SvelteKit! This is great news for SvelteKit and Sentry users, since Sentry is alre...

Logs are Generally Available (Still logs, just finally useful)

When we started building Logs in Sentry we had one goal: make them useful for real debugging, not just another high-volume text storage. This meant making them ...

The core KPIs of LLM performance (and how to track them)

A few months ago, I built an MCP server for Toronto’s Open Data portal so an agent could fetch datasets relevant to a user’s question. I threw the first version...

How to measure and fix latency with edge deployments and Sentry

A 2017 study by Google, researchers found: As page load time goes from 1 to 3 seconds, the probability of bounce increases 32%. That was over 8 years ago. And l...

React Native performance tactics: Modern strategies and tools

This is a guest post by Simon Grimm, founder of Galaxies.dev, a platform dedicated to helping developers master React Native through hands-on courses, expert gu...

You built the MCP server. Now track every client, tool, and request with Sentry.

TL;DR - Starting today, you can instrument most server-side JavaScript SDK based MCP servers with one line of instrumentation code within your MCP SDK implement...

Common Unity errors and how to fix them

Unity has a reputation for handing out surprises: the play-mode freeze just after a hot-reload, the sudden sea of pink materials, or the stack trace that polite...

Boosting Session Replay performance on iOS with View Renderer V2

After making Session Replay GA for Mobile, the adoption rose quickly and more feedback reached us. In less great news, our Apple SDK users reported that the per...

Smarter debugging with Sentry MCP and Cursor

Debugging a production issue with Cursor? Your workflow probably looks like this: Alt-Tab to Sentry, copy error details, switch back to your IDE, paste into Cur...

Introducing new issue detectors: Spot latency, overfetching, and unsafe queries early

Not everything in production is on fire. Sometimes it’s just... a little warm. A page that loads a second too slow. An API that returns way more than anyone ask...

Evals are just tests, so why aren’t engineers writing them?

You’ve shipped an AI feature. Prompts are tuned, models wired up, everything looks solid in local testing. But in production, things fall apart—responses are in...

How Sentry could stop npm from breaking the Internet

Caching is great! When it works… When it fails, it puts a big load on your backend, resulting in either a self-inflicted DoS, increased server bills, or both. T...

Introducing Sentry's Godot SDK 1.0 Alpha, with support for Godot 4.5 Beta

Debugging during development is easy. You've got a debugger, stack traces, and logs right in front of you. But once your Godot game is in the hands of players, ...

Want to hear your users' complaints? There's a widget for that (now available on mobile)

A disappearing “Submit” button. A modal stuck half-offscreen. It's not a crash or a performance regression. Just broken UX. Frustrating enough to make users rag...

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