Sentry Points of Presence: How We Built a Distributed Ingestion Infrastructure

Event ingestion is one of the most mission-critical components at Sentry, so it’s only natural that we constantly strive to improve its scalability and efficien...

Android Manifest Placeholders

Android Manifest file is essential for any Android app, which contains specific information about your app, Android build tools, Google Play, device permissions...

The Sentry Ruby SDK now supports Release Health

Developers work tirelessly to publish updates to improve their products and services because, as we all know, a better user experience = happier customers. Whil...

Why We Returned To Work At Sentry Full-Time

After wrapping up their fall and winter internships at Sentry, David Wang and Leander Rodrigues knew that this was where they wanted to kick off their careers, ...

Performance Monitoring and more updates to Sentry for Electron

For those who aren’t that familiar with it, Electron is an open-source framework that allows developers to build cross-platform desktop applications in JavaScri...

Unity Tutorial: What You Need to Know Before Developing Your First Unity Game

In this article we are going to talk about Unity basics. By the end you will understand the Unity editor interface, Game Objects and Sprites, the frequently use...

11 Python IDEs Developers Should Consider

Python is one of the most popular programming languages available for software and application development today. Indeed, nearly 50% of developers worldwide use...

Building an Always-on Business Leaves No Room for Downtime

As is often the case with digital products, your users could be experiencing issues you might not be aware of. The unknown unknowns could include random bugs or...

Continuous Performance Improvement of HTTP API

The following guest post addresses how to improve your services’s performance with Sentry and other application profilers for Python. Visit Specto.dev to learn ...

JS Browser SDK: Bundle size matters

SDKs naturally increase in size over time. After all, it does take more bytes to implement more features. This is not a big deal for most languages—the relative...

How we optimized Python API server code 100x

Python code optimization may seem easy or hard depending on the performance target. If the target is “best effort”, carefully choosing the algorithm and applyin...

Alias: An approach to .NET Assembly Conflict Resolution

Many .NET applications and frameworks support a plugin based model. Also known as "add-in" or "extension" model. A plugin model allows extension or customizatio...

Tracking Stability in a Bluetooth Low Energy-Based React-Native App

For most of my career I’ve worked with health and wellness startups. Most of these companies have a wearable that tracks movement, heart rate, body weight or st...

Join Sentry at Game Developers Conference 2022

In just a few short weeks, nearly 17,000 game developers will embark—potentially for the first time in a couple of years—to San Francisco, CA. The reason? The g...

Get Insights Into Project Health with Updates to Dashboards and Stats

Between planning, triaging tickets, negotiating requirements with external stakeholders, and actually building software, it's hard to take the time to make dash...

Why is Python so Popular?

Despite several widely acknowledged flaws, Python remains one of the most popular development languages worldwide. The sole fact that for years Python had two d...

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 comes to debugging a...

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 following breadcrumbs ...

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 time trying to figur...

2021: A Year in Review

The last year has undoubtedly been a challenge for all of us. But humor us one final retrospective as we (happily) leave 2021 in the dust. Our mission remains t...

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 Chrome will no long...

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, plus a few researc...

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. On December 9th, 2021 CVE-2021-44228 was announc...

Bytecode transformations: The Android Gradle Plugin

This is the first part of a blog post series about bytecode transformations on Android. In this part we'll cover different approaches to bytecode manipulation i...

Prioritize the Right Performance Monitoring Metrics

Now every developer can customize the performance monitoring charts and data views on the Performance page to see what is most important to them and their team,...

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 determination for buildin...

Monitoring our Local Development Environment with Sentry

At Sentry, we’re always looking for innovative ways to dogfood our product. Over the last year we added Sentry’s error monitoring to our developer environment s...

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 da...

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 Crash Rate Alerts. So wh...

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 you’re building the ...

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 years before commerci...

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

Missed part one? Check out the full guide here. As companies grow, so do their products, teams, and the number of external tools. For engineers, that can mean c...

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 us yet another inst...

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

*Missed part two? Check out the full guide here As companies grow, so do their products, teams, and the number of external tools. For engineers, that can mean c...

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 enjoys hand-sifting th...

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, such as OS, browser...

Performance Monitoring in GraphQL

Enrique Fueyo Ramírez is the Co-founder and CTO of Lang.ai. Here's a post on how him and his team at Lang.ai instrumented performance monitoring for GraphQL res...

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 performance issues can be ...

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...

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 next-gen K8s troublesh...

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, like dark mode support...

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 applications of our product ...

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 a series of operati...

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 sustain their success...

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 your Next.js projects...

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

What makes JavaScript great is also what makes it frustrating to debug. Its asynchronous nature makes it easy to manipulate the DOM in response to user events, ...

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 custom APIs and serv...

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 it’s the API call. I...

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 releases, configure sus...

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 up an alert in Sent...

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