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Post Archives | Product Blog • Sentry

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…

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…

What You Actually Need to Monitor AI Systems in Production

You did it. You added the latest AI agent into your product. Shipped it. Went to sleep. Woke up to find it returning a blank string, taking five seconds longer …

An open-source SDK for finding dead code

Writing code is easier than ever. We want to make deleting code just as easy – introducing Reaper for iOS and Android. Reaper was an Emerge Tools product that h…

Robust Time Series Monitoring: Anomaly Detection Using Matrix Profile and Prophet

Monitoring production systems often feels like searching for a moving needle in a constantly shifting haystack. At Sentry, our goal was to empower customers to …

How Sentry’s Seer AI Agent passes legal review: a guide for legal teams reviewing Seer

(written by lawyers for lawyers but probably also comforting for those interested in using Seer but who don’t have lawyers) If your legal department is anything…

Introducing AI Agent Monitoring

AI is changing how we build software — but debugging code still comes down to having context. One minute the model’s performance is cruising. The next, you’re h…

Now you can use Sentry Insights to trigger alerts and debug issues

You deploy a fix late Friday and spend the weekend refreshing dashboards, hoping nothing breaks. You shouldn’t have to babysit a dashboard to know when somethin…

AI Test Generation and PR Review in Sentry (Now in Open Beta)

You write code. Open a PR. CI runs. PR merges. Prod’s on fire by 5pm. Maybe you skipped writing some tests. (It's tedious, sometimes unclear, and easy to ignore…

An open source tool to speed up iOS app launch

What do the Snapchat, Airbnb, and Spotify iOS apps have in common? They all use order files to speed up their iOS app launch times. Order files re-order your bi…

Seer, Sentry’s AI Debugger, is Generally Available

Tired of trying to guess if that half-baked LLM suggestion is really going to fix the issue with your code? Meet Seer—our new AI agent that taps into all the is…

Introducing Sentry’s Flutter SDK 9.0 – Logs, Session Replay, Feature Flags, and more

If you've ever had to debug a Flutter app after an error report that just says “Null check operator used on a null value,” you already know: context is everythi…

Using the Sentry Unity SDK for Error and Crash Reporting

It’s one thing to debug your game during development, but once your game is in production, visibility into errors and failures in real gameplay is harder to ach…

Yes, Sentry has an MCP Server (…and it’s pretty good)

Unless you’ve been living under a rock, “MCP” is probably a term you’ve heard thrown around in the AI space. Each of the editors and LLM providers have been rac…

Introducing Session Health in Sentry (Now In Open Beta)

You push a release that touches the checkout flow. Now you’re glued to dashboards and checking Slack, hoping you didn’t introduce a regression that breaks the p…

From Alert to Fix in 10 minutes: How a Slow Query Took Down Placid.app

This is a guest post from Armin Ulrich, a fullstack developer, and founder of placid.app. He also created the MadeWith* network where he shares his projects and…

Get Better Visibility Into App Hangs On Apple Devices

App hangs are the worst kind of bug: they don’t crash, they don’t log, and unless you're actively profiling, good luck catching them in the debugger. Maybe the …

Logs in Sentry: Now in Open Beta

You’re looking at an error in Sentry—a failed payment in your Flask backend or an unexpected null in your Node API. You’ve got the stack trace. The request deta…

Want AI to be better at debugging? It’s all about context

More code is being shipped today than ever before, accelerated by AI powered code gen tools. We’re in a golden age for builders. But here’s the thing: software …

Monitoring your MCP Server in Production (with Sentry)

So you're building an MCP server for your project or service, to allow AI chatbots and agents to interact with it? Great! You've decided to build it using Cloud…

Tracing Just Got a Whole Lot More Useful: Search, Visualize, and Alert with Sentry’s new Query Engine

For a while, tracing in Sentry was… fine. You could open up a slow transaction, poke around, find the N+1, and feel like a hero. But if you wanted to answer m…

Fixing Elusive Unity ANRs: How Amanotes Used Sentry to Cut Errors by 50%

This is a guest post from Thuan Do The from Amanotes, a music game publisher who are using Sentry for their Unity game Duet Cats. In today’s mobile-first world,…

Laravel just works. Now your performance monitoring does too.

You remember that first time spinning up a Laravel app? Routes, auth, ORM, queues, all wired up without much effort. It’s one of the reasons Laravel feels produ…

Emerge Tools is now a part of Sentry

Today I'm thrilled to announce that Emerge Tools is joining Sentry.  Emerge builds best-in-class mobile tooling trusted by some of the most important brands in …

Monitoring & Debugging a Checkout Flow in Flask & React

When your checkout flow breaks, customers disappear faster than most ‘cutting-edge’ JS metaframeworks. Thankfully, setting up observability for your critical pa…

Sentry’s AI debugger now references traces for troubleshooting distributed systems

Debugging is an ever-present pain for all developers, and that will continue despite, or maybe even thanks to, the rise of AI-written code. Tools like Sentry ha…

Common Downtime Causes and How Website Monitoring Can Help

Downtime only shows up at the most inconvenient moments — like right after a 'quick deploy' or during the five minutes you dared to step away. Maybe it’s a traf…

Debug App Performance Down to the Function Call–Introducing Continuous Profiling & UI Profiling

When something slows down in prod, it’s too easy to fall into old habits. Throw in a few more logs, ship some metrics, try to reproduce the issue locally, and m…

How Sentry's AI Autofix Changed my Mind About AI Assistants

Blockchain, IoT, Big Data. If you’ve been around in tech for a while, you know that these kinds of buzzwords come and go: they make a splash going in and fizzle…

Vercel is adding a new marketplace category and Sentry is in(to) it

More people will build and ship applications in the next year than in the 10 years previous. As more applications make their way into “launched”, by developers …

How to Improve Performance in PHP

PHP apps can be deceptively simple — until something starts slowing down. Maybe it’s a page load that takes a few seconds too long, or maybe your server costs a…

Investigating an ‘[Object] not found’ error in Next.js with Tracing in Sentry

Breakpoints and console.log statements might save your sanity during local dev, but production issues are another story. In prod, your errors might be distribut…

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