Engineering
Application Metrics caught my broken size estimator
Some numbers are too important to bury in a log or lose to sampling. A little video converter became the clearest case I've seen for tracking KPIs with Application Metrics.
Product Updates
From one switch to a control panel: meet `dataCollection`
The all-or-nothing sendDefaultPii boolean is going away. dataCollection replaces it with a dial for each category of data, so you can keep the headers you debug with and drop the values you would rather not store.
Engineering
How to evaluate session replay software: a developer's guide
Session replay tools split into UX analytics tools and developer debugging tools. Here's how to tell which one you're evaluating, and the architectural questions that matter for each.
Engineering
Automated agent triage with Agent Tracing and Claude Routines
Every morning, a Claude Routine reads the previous night's Seer conversations, flags the broken ones, and files Linear tickets — before anyone's at their desk.
Product Updates
What's new in Sentry Logs: The summer 2026 roundup
A full roundup of everything that shipped for Sentry Logs this summer — log pinning, overhauled exports, chart enhancements, terabyte-scale search, and a pile of usability fixes.
Engineering
How we built an automated debugging workflow at Sentry
We built a system that uses Seer and Claude routines to automatically detect, fix, and route code issues — here's what we built and what we learned.
Engineering
Your OTel spans, our errors: A Sentry love story in one trace
The OtlpIntegration connects your OpenTelemetry traces with Sentry error tracking, so you can click an error and see the OTel trace that caused it.
Product Updates
Session Replay for Unreal Engine: see the crash before the crash
A stack trace tells you where your game died, not why. Session Replay for the Sentry Unreal Engine SDK attaches the last few seconds of gameplay to every crash report so you can watch what actually happened.
Engineering
From 57 bugs to 1, thanks to Seer
Most bugs sit in the backlog forever because fixing them costs more than the feature they compete with. With Sentry, Seer, and cloud coding agents, that math has changed.
Product Updates
.NET support for Godot is now generally available
Version 2.0.0 of Sentry's Godot Engine SDK brings C#/.NET support and application metrics to general availability.
Engineering
How to structure a log
Good logs are not just messages. They are small, queryable events with stable names, scalar attributes, and enough context to debug production systems.
Engineering
MongoDB Query Tracing in .NET with Sentry + OTLP
Learn how to trace MongoDB queries in your .NET apps using OpenTelemetry instrumentation and Sentry's OTLP support, with full correlation to errors and replays.
Engineering
Your agent should understand what you see
Seer Agent now understands Sentry pages through structured semantic context instead of ASCII snapshots, cutting token usage by up to 85% while maintaining the same answer quality.
Engineering
When and what should I be logging?
When in doubt, start by adding a few targeted log lines. Here are best practices for using logs to make your application easier to debug.
