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We Just Gave $154,999.89 to Open Source Maintainers

Sentry is an open source company. We started out in 2008 as a small open source side project, and we grew within the community for years…

Automate, Group, and Get Alerted: A Best Practices Guide to Monitoring your Code - Part 2

This is part two of a two-part series on how to monitor code health at scale with Sentry.

Hacktoberfest is Upon Us

Ah, October. Pumpkin spice fills the nostrils of Northern Hemispherians, spring stirs the air in the South, and DigitalOcean & Friends bring…

Automate, Group, and Get Alerted: A Best Practices Guide to Monitoring your Code - Part 1

This is part one of a two-part series on how to monitor code health at scale with Sentry.

Find the right person at the right time to fix the right issue with SCIM for Okta, Code Owners with GitHub, and more

If you know someone who actually likes managing work across projects, we’d love to meet this mythical being. Because we can’t imagine who…

Use Suspect Tags to improve App Performance

When you’re optimizing your application for performance, it helps to understand the user conditions where the slowest transactions occurred…

Guest Post: Performance Monitoring in GraphQL

A quick cheat sheet to integrate Sentry Performance in your Apollo Server.

Mobile Vitals - Four Metrics Every Mobile Developer Should Care About

Slow apps frustrate users, which leads to bad reviews, or customers that swipe left to competition. Unfortunately, seeing and solving…

Distributed Tracing 101 for Full Stack Developers

Welcome to Part 1 of our multipart series on Distributed Tracing for Full Stack Developers. In this series, we’ll be learning the ins-and-outs of distributed tracing and how it can assist you in monitoring the increasingly complex requirements of full stack applications.

Guest Post: Troubleshooting Feature Flags with Komodor and Sentry

Mickael Alliel is a DevOps Engineer who enjoys experimenting with new technologies and methodologies. Mickael is currently developing the…

Fluttering our Mobile Wings

Once a year we let our imagination go wild for a whole week during our annual Hackweek event. It’s where we come up with product updates…

Instrumenting Our Frontend Test Suite (...and fixing what we found)

Adding Instrumentation to Jest Here at Sentry, we like to dogfood our product as much as possible. Sometimes, it results in unusual…

Root out the odd operation with Operations Breakdown

Transactions are sent when your service receives a request and sends a response, like an API call or a page load. Within each transaction is…

Become A Hidden Champion. Work With Me In Vienna.

A term of business endearment — if there is such a thing — is to call a company a hidden champion. It’s bestowed on businesses who quietly…

Jamstack June: A Recap

Like any jam session, Jamstack June must end. But not before we reprise a few of our greatest licks of the month: Our Next.js SDK monitors…

Why Debugging JavaScript Sucks — And What You Can Do About It

What makes JavaScript great is also what makes it frustrating to debug, but there are methods you can use to improve this unfortunate debugging experience.

Jamstack, Next.js, Netlify, and Sentry: How The Pieces Fit

Jamstack (Javascript + APIs + Markup) is a web architecture that combines the convenience of pre-built websites with the capacity to handle…

Find the Root Cause Faster with Trace View and Trace Navigator

Like a bratty teenager, traditional monitoring answers your questions, but does so in a terse, unhelpful manner: Why is my page slow? Guess…

Sentry Application Monitoring for Next.js

As you could probably tell from the title, we shipped an SDK for Next.js. This means you can capture errors, measure performance, manage…

Better Alerts [as in, far more specific and just generally way better]

A couple of weeks back, we broke sign-ups. And in the most meta fashion, we learned about this because someone here had the foresight to set…

Dogfooding Chronicles: Never Be Content With Your Content (Security Policies)

A Content Security Policy (CSP) lets a browser know which content sources are to be trusted — and which aren’t. Learn how to update your CSP and protect your application.

Establishing the New Normal in Pandemic-Aftertimes

Three Hundred and Eighty-One Three hundred and eighty-one. The number of days it’s been since our Sentry offices shut down, in what we…

No-code AWS Lambda Monitoring

Auto-instrumenting AWS Lambda Monitoring didn’t originate through a focus group or business plan. It started as a hackathon project that…

Great Moments in Application Monitoring

The consequences of poor application performance are both real and terrifying: lost customers, lost trust from your team, and lost…

Measuring Success with Sentry

In the early days of web development, there was one way to measure code: WTFs per minute. It was a metric that could be applied across all…

Supporting Native Android Libraries Loaded From APKs

Like mechanics who restore their own cars or plastic surgeons who self-rhinoplasty, our developers put their skills to interesting uses…

Measuring User Experience with Web Vitals

Top of search for you means top of mind for your customers. And with Google’s upcoming Page Experience update to Web Vitals taking place in…

Silencing Distractions with Review List and Automations

By organizing information and automating mundane tasks, Sentry is able to remove any ambiguity around if an issue should be addressed, by whom, and in what priority order.

Slow and Steady: Converting Sentry’s Entire Frontend to TypeScript

Recently, Sentry converted 100% of its frontend React codebase from JavaScript to TypeScript. This year-long effort spanned over a dozen…

Using Feature Flags in Sentry

From testing in production to running A/B tests, feature flags have a range of uses. At Sentry, one way we use feature flags is to safely…

A Sanity Listicle for Mobile Developers

Before we look to April, let’s recap some of our most notable mobile updates from this past month with a few tips on how to solve what matters faster and a sneak peek of what's coming next

Using Sentry Performance To Make Sentry Performant

Like many companies, Sentry uses feature flags to determine when certain users see certain features. Recently, we decided to switch our…

Performance Monitoring for Android Applications

Android is arguably the most ubiquitous operating system in the world. Whether it’s a tablet, phone, folding phone, computer, TV, or IoT…

Building Dark Mode

Like many companies, we have a Hack Week at Sentry. In 2017, we coded an app which blared entrance music for anyone who stepped foot in our…

Performance Monitoring Support for React Native

March Mobile Madness continues with Performance support for React Native. Our friend, Jenn Mueng shares how Performance supports his mobile…

Issue Detail Performance Improvements

One of Sentry’s most-trafficked pages is our issue details page, as it helps our customers understand the root cause of an error. For those…

With Flutter and Sentry, You Can Put All Your Eggs in One Repo

This month we’re updating several of our mobile SDKs. You might think it’s madness… Mobile March Madness. First up is Flutter. It’s fair to…

Python 3 Compatibility: What To Know

Compatibility is a moving target. This is particularly true for backwards-incompatible languages such as Python 3, as it forces developers…

3 Ways to Improve JavaScript Applications

In January we brought Release Health to JavaScript. This month we’ve been thinking about the overall experience for JavaScript developers…

Series D: Moving Faster and (Not) Breaking Things

Can Sentaurs become unicorns? Apparently so.

Close the Loop with User Feedback

Everyone’s software crashes. As an engineer, you don’t feel your users’ frustration unless they reach out to customer support, write bad…

Patching A Flood of 404s

In our latest edition of Dogfooding Chronicles, we use Discover to root out the bane of all companies everywhere: the 404 page.

Asking The Right Query With Discover

Successful businesses don’t sort data — they shape it. Discover, Sentry’s query builder, gives form to your event data so you can measure…

How to use Sentry Attachments with Mobile Applications

In a previous life as an Android developer, a customer reported a nasty bug that we didn’t know how to fix. After what felt like countless…

Track Session Data with Sentry for JavaScript

It’s January 2021 and you’ve probably broken five out of six New Year’s Resolutions. I don’t want to be the reason for breaking your last…

A Gem of an Update: Performance Monitoring for Ruby

In order to continuously improve your Ruby application, you need to understand everything your code touches. That means visibility into how…

Sentry Receives SOC 2 Type 2 Certification

No matter your business, keeping customer data secure is critical toward keeping your customer’s trust. With the rise in data breaches (and…

Sentaurs and Celebrations

At 9AM Pacific time, Sentry joined a video call and proceeded to take a journey. Curiosity became enthusiasm, sentimentality, surprise, and finally laughter.

How Slow is Slow?

Slow is the new downtime. What you once feared from a downed website — decreased conversion rates, lower page ranks, abandoned carts — now…

Support for Database Performance Monitoring in Node

Performance monitoring is great because it lets you see whether your application is fast or slow, and which parts need speeding up. For Node…

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