Why is Python so Popular?

Nahla Davies is a software developer and tech writer. Before devoting her work full time to technical writing, she managed—among other intriguing things—to serve as a lead programmer at an Inc. 5,000 experiential branding organization whose clients include Samsung, Time Warner, Netflix, and Sony.

Usual Performance Suspects: Introducing Suspect Spans

A trace is the end-to-end journey of one or more connected spans and a span is an operation or “work” taking place on a service. So when it…

UI Breadcrumbs for Android Error Events

In [many] cases, when a crash happens in your Android application, you want more context on what occurred before the issue — kind of like…

How to monitor Lambda functions in your SST application

Jay V is one of the founders of Serverless Stack (SST), an open-source framework that makes it easy to build serverless apps. He spends his…

2021: A Year in Review

As we (happily) leave 2021 in the dust, humor us one more retrospective. After thousands of bug fixes, feature enhancements, and performance improvements, here's a snapshot of what we shipped to help you see what actually matters, solve quicker, and learn continuously about your applications.

Deprecation From U2F API to WebAuthn

If you’re using the U2F API for registration and authentication of your U2F devices, you will notice a dire situation is coming soon: Google…

Yes, Open Source Is Sustainable

Two months ago, we announced our annual investment in open source maintainers, mostly folks whose work we depend on to deliver Sentry to you…

Sentry's response to Log4j vulnerability CVE-2021-44228

Sentry is not impacted by the log4j vulnerabilities, CVE-2021-44228 or CVE-2021-45046, also known as log4shell.

Bytecode transformations: The Android Gradle Plugin

The first part of a blog post series about bytecode transformations on Android, where we talk about different approaches to bytecode manipulation in Java as well as how to make it work with Android and the Android Gradle plugin.

Prioritize the Right Performance Monitoring Metrics

We can all agree that one of the great pleasures in life is seeing the exact performance monitoring chart you want - exactly where you want it on the Sentry Performance home page. No? Ok. Well, at least we agree it's better than not having the chart you want where you want it, right? I thought so. That's why we made our main performance monitoring view modular.

Bringing Specto into the Sentry Family

We’re delighted to announce that we’ve acquired Specto, a powerful mobile profiling tool from ex-Facebook mobile experts who share our…

Monitoring our Local Development Environment with Sentry

Is your organization's local development environment plagued with issues? Read on how you can use Sentry to monitor it and help you solve issues quickly.

Measure, Track, Improve: Streamlined event exploration and increased visibility into team health

For many engineering leaders, measuring their team’s impact can be hard to quantify and a face:palm process, filled with searching through logs and exporting data sets to cobble together a report that most people won't even look at twice. And let's be honest, if you wanted to spend time making reports, you wouldn't have become a developer.

Change Happens - Get Alerted

To give you enough notice to fix an issue before it escalates, we’re evolving our alerts and making them more proactive with Change and…

Keep Gamers Gaming — Application Monitoring for Unity

Given the millions of registered Unity developers worldwide, Unity is arguably the most popular engine used to develop games. But, whether…

We Just Gave $154,999.89 to Open Source Maintainers

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

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…

Performance Monitoring in GraphQL

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

Four Mobile Vital Metrics Every Mobile Developer Should Monitor

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

In the early days of the web, writing web applications was simple. Developers generated HTML on the server using a language like PHP, communicated with a single relational database like MySQL, and most interactivity was driven by static HTML form components. While debugging tools were primitive, understanding the execution flow of your code was straightforward.

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…

Sentry's New Mobile App for Managing Releases

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 the 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…

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