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Profiling Beta for Python and Node.js

A couple months ago, we launched Profiling in alpha for users on Python and Node.js SDKs — today, we’re moving Profiling for Python and Node…

Profiling 101: Why profiling? (2/3)

This is part 2 of a 3-part series on profiling. If you’re not yet familiar with the what profiling is, check out the first part in our…

Profiling 101: What is profiling? (1/3)

The performance of your app matters. From ensuring a good user experience to retaining users, performance makes a difference in your app’s…

Local Variables for NodeJS in Sentry

Stack traces show us exactly where an exception occurred, but you can still be left wondering: What arguments or state caused the exception to occur? If you can reproduce the issue locally with a debugger attached you’ll have access to these local variables, but with Sentry you can identify the exception location *without* needing to reproduce the issue locally. By including local variables with stack traces, Sentry events become much closer to the full debugging experience.

Install Sentry with a Single Command

We’re creating a new way to install and set up Sentry. Starting with Next.js, you’ll be able to set up new Sentry accounts or create new…

Common Errors in Next.js and How to Resolve Them

Bugs are one of the most troubling aspects of software development; they appear out of nowhere and cause everything to stop working. Most of…

How to get started with Sentry's Unity SDK - Part 1

User experience and performance are two of the most important metrics of any game. You need to ensure that it runs as optimally as possible…

How to handle Android exceptions and avoid application crashes

Let’s start by stating the obvious: an exception is a problem that occurs during the runtime of a program which disrupts its conventional…

React Native Debugging and Error Tracking During App Development

A good developer knows how to debug code. In fact, most software engineers spend the majority of their time debugging existing code rather…

Dogfooding Chronicles: Weekly Report Emails

If you’re a Sentry user, you’ve probably seen those weekly emails we send out at the start of the week. They give a weekly recap to users of…

Cron Job Monitoring Beta - Because scheduled jobs fail too

Do your cron jobs (aka scheduled jobs) ever fail or not run as expected? Scheduled jobs are supposed to be predictable – as the name implies…

Understanding Performance Testing in Unity: A Real-World Example

Performance testing is an important part of any application. It helps developers to increase the application reliability while providing a…

Mobile: The Future is Declarative

Taking a look at where mobile app development is headed, and exploring the new declarative approach used by the new native frameworks SwiftUI and Jetpack Compose.

Prioritizing Platform Stability at One of FastCo.’s Most Innovative Companies of 2022

Ranked as one of New York Magazine’s best smart home training solutions 2022 and Men’s Health’s best connected cable machine 2022, Tonal literally sets the bar for smart home trainers.

Suspect Commits via Git Blame

Errors are part of building software. Even if you are one of the fabled 10X engineers, errors are still going to happen. When an error does…

How We Made JavaScript Stack Traces Awesome

Sentry helps every developer diagnose, fix, and optimize the performance of their code, and we need to deliver high quality stack traces in…

Bringing Codecov into the Sentry Family: Where Code Coverage Meets Application Monitoring

Today Codecov is joining the Sentry family. Codecov began as a code coverage reporting tool in 2014 and has since emerged as a market leader…

Measuring application performance in Swift using transactions

Learn how to measure the performance of individual functions in your Swift app by using Sentry's Custom Instrumentation feature.

Application Profiling for Python

Profiling is an important tool in every developer’s toolkit because it provides a granular view into the execution of your program from your…

Application Profiling for Node.js

Profiling is an important tool in every developer’s toolkit because it provides a granular view into the execution of your program from your…

How we run our Python tests in hundreds of environments really fast

Not in a reading mood? You also can watch the talk I gave at DjangoCon 2022. One of Sentries core company values is “for every developer…

Python 3.11 Release - Top 5 Things to Know

Python 3.11 was released on Oct. 24th, 2022. This latest version makes Python faster and even more user-friendly. If you’re not ready to…

How Sentry uncovered an N+1 issue in djangoproject.com

Sentry recently launched Performance Issues, a feature to help developers discover and fix common performance problems in their projects. We…

A New Era of Sentry

Today we are releasing Dynamic Sampling, available to all new customers, and opt-in for existing customers. This goes beyond a new feature…

We Just Gave $260,028 to Open Source Maintainers

Sentry is an open source company, and it’s important to us to financially support our non-commercial colleagues in the community as we…

Django Performance Improvements - Part 4: Caching in Django Applications

In the first three parts of this series around improving performance in your Django applications, we focused on database, code optimization…

Top 3 Issue Alert Tips to Stop Noisy Notifications

Sentry Alerts ping you on Slack, Microsoft Teams, or Pager Duty when something goes needs your attention. However, too many alerts can turn…

Building a Performant iOS Profiler

Here is a quick overview of profilers, and a deep dive into how we built the Sentry iOS profiler that has low enough overhead that it could run in production apps with minimal impact to user experience.

Spooky Season means Hacktoberfest

🎃 Spooky Season means Hacktoberfest is here! 👻 Hacktoberfest is less spooky and more exciting for us here at Sentry. If you’re new to…

Getting to That Elusive “Inbox Zero” With Custom Alerts and Codeowners

"I had to be able to balance my engineers’ time between fixing bugs and building new features, for that to happen we needed a solution that helped us stay on top of our backlog."

Unity Performance Testing Tools & Benchmarks

The following guest post addresses how to improve your services’ performance with Sentry and other application profilers for Unity. Learn…

Python Performance Testing: A Comprehensive Guide

The following guest post addresses how to improve your services’s performance with Sentry and other application profilers for Python. Check…

Unity Exception Handling: A Beginner’s Guide

Exceptions are the outcomes you do not usually expect in your application. But as a developer, expecting the unexpected is essential to…

Code-level Application Monitoring for Every Developer

The monitoring, tooling, and observability space is crowded. It’s hard to keep track of what most tools in this category originally set out…

Deploy your Next.js application on Vercel using Sentry and GitHub Actions

Thanks to the power of open source tooling and cloud services, shipping an application to production has never been that easy, In this blog…

The Sentry Remix SDK is Now Available

Sentry has made it a priority to support frontend JavaScript developers, regardless of the framework they use. This is why we have SDKs for…

Relay as a Lambda Extension Using the Actor Model in Rust

Relay is an open source project by Sentry that receives data from Sentry SDKs for pre-processing. This is done before the data is sent to an…

An iOS developer's first impressions of Flutter: Part 2

Integrating third party dependencies in Flutter In the previous article in this series, we looked at my first impressions, as an iOS…

Performance Issues: Slow you can act on quick(ly)

We’ve experimented and iterated (a few times) to finally bring the actionability that was once only reserved for errors to Performance.

An iOS developer's first impressions of Flutter: Part 1

A little about myself I’ve been working in mobile app development since 2010, initially with Adobe AIR and PhoneGap, but for nearly ten…

Monitoring and Prioritizing Edge Cases, Without ‘Gold-plating’ Non-critical Issues

Prioritizing issues is priceless for us. With that, we’re not only able to increase system resiliency and quality, but we avoid gold-plating, giving us time to work on impactful tasks.

How a Product Studio Mitigates User Friction with Performance Monitoring

Our developers easily identify and resolve performance bottlenecks – like querying the database while iterating over a collection rather than prefetching –, resulting in up to orders of magnitude fewer database queries, and shorter response times.

Dashboards that Replace your Release Manager

We’re joining form and function with Release Health widgets and a new release filter in Dashboards. Whether you want to focus on your latest release or compare adoption and stability across releases, you can build and filter dashboards to tell you exactly how they are trending.

Introducing Terraform for Sentry

*The Sentry Terraform Provider is an open-source project built and maintained by a community developer and officially sponsored by Sentry…

How to Integrate GitHub with Sentry to Increase Speed to Resolution

Toolchains are complicated these days - developers and engineering managers are working with more tools than they probably care to count. In…

FastAPI and Starlette Sentry Integrations Have Arrived

FastAPI is known for building REST APIs, middleware services, and simple integration for adding authentications and more. And it’s known for…

Maintaining High-Velocity Feature Development, Without Sacrificing Quality

"We want to use best-in-class tools to help our engineers be effective, and having a solution that other organizations widely use makes onboarding faster for new team members."

Introducing Dynamic Sampling

In the monitoring industry there’s a complicated and frustrating conversation that persisted over the years: how do you deal with the…

Deprecating TLS 1.0 and 1.1

On November 1, Sentry will no longer be providing support for TLS 1.0 and 1.1 on and . Originally this blog post mentioned plans on…

Stack Trace Line Numbers for Unity Events

In 2018 we launched the Sentry Unity SDK, but at the time, we couldn’t crack how to display stack trace line numbers for C# exceptions with…

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