Fly.io with Sentry

When developers build and deploy their apps, understanding what’s slow or broken in production is more a necessity than a convenience. With…

Choosing the Right Metric: A Guide to Percentiles and Averages

Not sure which performance metric to use to measure your application performance? Don’t worry – you’re not alone. With a wide variety of…

Replaying Backend Errors using Sentry’s Session Replay

With Session Replay tools, you can more easily see what user actions lead to an error. For example, Sentry’s Session Replay is a first class…

Sentry's Open Source Values

Sentry's Open Source values are 1) sustainability for maintainers and 2) access to technology and knowledge for developers. If you share our values then let's work together to move the conversation forward.

The Best and Worst Reasons to Adopt OpenTelemetry

It was a rainy day in Seattle at KubeCon + CloudNativeCon North America in December 2018 when I first encountered the term ‘OpenTelemetry…

August Product Updates for Sentry

During the month of August we dropped heaps of new features across the entire Sentry platform. From identifying user frustration through…

Making your JavaScript projects less noisy

If you’re using Sentry for JavaScript error monitoring, you may be familiar with a common challenge: sifting through noisy, low-value errors…

End-to-end monitoring for web and mobile applications with Sentry

You can identify and fix performance issues quickly by monitoring your applications “end-to-end” using Sentry performance monitoring and…

Deconstructing Distributed Tracing

Distributed Tracing is a powerful debugging tool for micro service architectures. In this article we're going to learn what distributed tracing is through breaking it down into smaller concepts and rebuilding it from scratch.

Introducing Rage & Dead Click Detection for Session Replay

Just like you, we use Sentry to monitor…Sentry. To ensure that even the most subtle signs of user pain don't go unnoticed, we built Rage and Dead Click Detection.

Sentry Profiling now supports Browser Javascript, React Native, and Ruby

Profiling is an essential component of a developer’s toolkit for identifying and addressing the thorniest performance bottlenecks. Whether…

Let's Talk About Open Source

Yesterday we announced that Codecov is now “Open Source”, and we messed up in two ways: We wrongly used the term Open Source; while…

July Product Updates for Sentry

During the past month of July, the Sentry dev team dropped new capabilities to help you better understand, prioritize, and respond to errors…

Harnessing Distributed Tracing for Application Performance Optimization

Distributed tracing helps developers understand performance & identify bottlenecks. Learn more here about how distributed tracing operates behind the scenes.

5 Signs You Have Outgrown Your Mobile Monitoring Solution

Imagine you start a new hobby — let’s say bike riding. You don’t want to invest a lot in a bike because you’re not sure that you’ll like it…

June Product Updates for Sentry

Get ready for another round of new releases that will help take your performance and error troubleshooting to the next level. Over the past…

Detecting Main Thread Issues in Mobile Applications

Mobile device users care about three things when it comes to good app performance: Smooth UI Long battery life How quickly the app does what…

Mastering mobile: Reflecting on three years of mobile growth

Few areas of development have seen as much recent change as mobile. Mobile phone and app usage spiked during the pandemic as we adapted to…

Code Refactoring and why you should refactor your code

Software does not expire, but it “rots”. Its quality degrades over time. As you build your project and add features, you probably won’t…

Sentry Ingestion Domains Updates

The TL;DR: We are going to apply these changes on September 1st, 2023: Ingestion via non-encrypted HTTP will be disabled. DNS A records for…

Cron Monitoring Now Supports Sentry SDKs, Automatic Set Up, Multi-Environments and More

Last year we introduced Sentry Cron Monitoring (beta) to help developers get code-level context and performance trends for their scheduled…

May Product Update

The month of May has just ended and pretty much everybody agrees that 2023 is absolutely flying by. Here at Sentry, we’re looking to match…

Sentry for SvelteKit

We’re happy to announce that the Sentry SvelteKit SDK is now generally available and ready to help you monitor your SvelteKit application…

Web Fonts and the Dreaded Cumulative Layout Shift

How frustrating is it when you’ve just landed on a web page, you click on a certain element and an ad or something else pops up and you end up clicking that thing instead? That’s a layout shift, which is bad for the user’s experience and the later they happen, the worse it is.

Tame the performance of code you didn't write: A journey into stable diffusion

In our daily lives as developers, we have to deal with a lot of code that we did not write ourselves (or wrote ourselves but already forgot…

Sentry Profiling: Identify & Eliminate Performance Issues with Code-Level Insights

Use Sentry’s code profiling to identify the causes of performance errors. Sentry Profiling supports Python, PHP, Node, Android & iOS platforms.

Sleep More; Triage Faster with Sentry

As a developer, triage duty week was often the worst week of my month. Anytime a bug was reported, I’d search for the right environment…

Building better mobile experiences: tips from Riot Games and Nextdoor

Building high quality, performant mobile apps is hard. Developers need to keep up with rapidly changing technologies, high user expectations…

Introducing Search by User Click for Session Replay: Zero in on Interesting Replays, Faster

With the new search by user click feature for Session Replay, we’re giving you greater ability to surface relevant and interesting replays.

Freeze Bad Deployments in their Tracks with the GitHub Deployment Gate Integration

If you have a large codebase with multiple developers shipping quickly – errors need to be caught quickly as well. To help ensure your code…

Confidently Manage Multiple Projects with Sentry's New Spend Allocation and Spike Protection

Today we’re announcing our new Spend Allocation feature and updates to Spike Protection, giving you more control over how your projects…

Syntax × Sentry MMXXIII

Today is a special day at Sentry, as today we welcome Syntax to the family. We’ve long been fans of Scott and Wes, of what they’ve built…

FastAPI vs. Django: Which to Use and When?

FastAPI and Django are two of the most popular Python web frameworks out there. They both provide excellent features for developers to…

FastAPI vs. Django: Which to Use and When?

FastAPI and Django are two of the most popular Python web frameworks out there. They both provide excellent features for developers to…

Reduce CI time with Nx Caching

Sentry is a very fast-moving company. In just one month we merged 165 pull requests from 19 authors and changed over 800 files, with a total…

Code coverage insights - now in your stack trace

I’m Jerrod, the Head of Codecov @ Sentry. I’d like to share updates from the first major release of our Codecov and Sentry integration and…

How we built user interaction tracking for Jetpack Compose

We recently shared our tips for getting started with Jetpack Compose, Android’s recommended modern toolkit for building native UI. One of…

Code Mappings and Why They Matter

Code Mappings connect errors to the source code in a repository. And since errors can have paths that are different from the tree structure of the repository, Code Mappings determines the accurate path through a combination of a repository URL and a path transformation. Sentry uses Code Mappings to serve issue context on the issue details page.

The New APM: Actionable, Affordable, and Actually Built For Developers

You shouldn’t need a Ph.D. in your APM tool to understand the performance of your application. Sentry’s new approach to application monitoring is focused on being actionable, affordable, and *is actually* built for developers. Learn how we're redefining the future of APM.

Making Performance Monitoring More Actionable with Sentry

How your code performs isn’t a subjective debate. Well, at least not anymore — in the past few months, Sentry has started telling you…

Treat Performance Like A Feature

Implementing the right processes and tooling is key to bring your application’s performance from ‘adequate’ to ‘delightful’. Find out how to treat performance as a feature.

Get More Context about your Cloud Services with Sentry

A Sentaur who uses Sentry to build Sentry wanted to know where a specific service associated with an issue was being hosted in our cloud…

Sentry’s Frontend Tests: Migrating from Enzyme to React Testing Library

At Sentry, we practice continuous delivery,  which means that code can be released as soon as it’s merged into the main branch. This allows…

Introducing OpenTelemetry Support: Take Action on Your Observability Data

As an open source company that grew out of a side project in 2008 to an application and performance monitoring platform (APM) used by over…

Support for Next.js Middleware and Edge Routes

Third-party JavaScript libraries provide developers with the tools they need to build modern web experiences, and a bit of cheatcode at…

Introducing Session Replay from Sentry: Bridge the Gap between Code and UX

We’re making Session Replay generally available to all Sentry users. Remove the guesswork from troubleshooting by seeing video-like reproductions of what users experience leading up to and after an error or performance issue. Session Replay supports all web-based platforms.

Getting Started with Jetpack Compose

Recently, we wrote about the demonstrative move to declarative UI. With Jetpack Compose, Android is joining the declarative trends. Jetpack…

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: What is profiling? (1/2)

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

Profiling 101: Why profiling? (2/2)

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

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