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…

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…

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

This content is out of date Since this blog post has been published we’ve evolved the feature to reduce complexity of configuration and…

We Just Gave $260,028 to Open Source Maintainers

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

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…

A Beginner’s Guide to Unity Exception Handling

As a beginner, it’s important to learn how to manage Unity exceptions effectively. Learn more here about Unity exception handling.

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…

Code-level Application Monitoring for Every Developer

This content is out of date Since this blog post has been published we’ve evolved the feature to reduce complexity of configuration and…

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

This content is out of date Since this blog post has been published we’ve evolved the feature to reduce complexity of configuration and…

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…

Unity Debugging: Tips and Tricks

Debugging in Unity Debugging is a frequently performed task not just for general software developers but also for game developers. During a…

Django Performance Improvements - Part 3: Frontend Optimizations

In the last 2 parts of this series around improving performance in your Django applications, we focused on database and code optimizations…

Monitoring Performance at Moonbeam from Day One

I’m an engineer during the day and a founder at night – so I don’t have time to fiddle with complicated instrumentation or bugs that are hard to track down. That’s why I picked the tech stack that I did.

Performance Monitoring in Next.js Applications

Performance monitoring is an essential part of development. It’s usually one of the first things you’d want to do after setting up an…

How to Publish Your Unity Game to Google Play

For this tutorial, we will publish the “Tap (Frog)” game I developed in my previous Unity series, which you can explore here. You need to…

Slope Wallet Solana Hack

On August 2nd, 2022, roughly 9,321 Solana wallets appear to have been drained of their cryptocurrency. While the parties investigating this…

Full Stack Visibility to Find the Root Cause of Slow

An app that works as expected is great, but if expected means a beachball for 10 seconds before the page loads, that’s… not so great…

Compiling Angular Libraries Properly in a Multi-Framework SDK Monorepo

Bugs don’t always emerge because we made mistakes, but often because of regressions in libraries or updates to frameworks, languages…

Supporting Developers with Fit-for-Purpose APM Solutions: A CTO’s Perspective

Leading a team through different growth stages requires evolving insights and for Gorgias CTO and co-founder, Alex Plugaru, it’s important to understand how developers work, not just what they’re working on.

Understanding the Performance Impact of Generated JavaScript

There are major package size benefits to reducing the amount of generated JavaScript your package is creating. As part of our larger Javascript SDK package reduction, we spent a considerable effort to minify as much of our code as possible. If you’re looking to do the same, here are six improvements to consider.

Automate Your Boring Tasks with Ruby

If you aren’t already fed up with doing the same boring stuff over and over again, you will In the long run. Tasks which are repeated again…

Logging in Python: A Developer’s Guide

Have you ever had a tough time debugging your Python code? If yes, learning how to set up logging in Python can help you streamline your…

Making a Time Zone Picker Control for .NET MAUI

In this post, Matt-Johnson Pint from the Sentry .NET team walks us through how he made a Time Zone Picker user interface control for .NET MAUI, leveraging MAUI's support for platform-specific code.

JavaScript SDK “Package Size is Massive” - So we reduced it by 29%

Developers started to notice just how big our JavaScript package was and yeah, we knew. We weren’t ignoring the issues; after all, we don’t want the Sentry package to be the cause of a slowdown. But to reduce our JavaScript SDK package size effectively we had to account for shipping new capabilities, like being able to manage the health of a release and performance monitoring, while maintaining a manageable bundle size. After all, new features == bigger package - usually.

Automate Your Boring Tasks with Python

In many critical areas, you can automate the completion of repetitive chores in an efficient and effective manner by using a computer…

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