Engineering
The Sentry Android SDK is now 20-30% faster!
Over 40 changes between 8.43.0 and 8.54.0 cut SentryAndroid.init time by 20-30%, reduced memory allocation, fixed memory leaks, and lowered background CPU time.
Product Updates
Sentry's Flutter SDK 10.0: Streaming Traces and More Accurate Crash-Free Rates
Sentry's Flutter SDK 10.0 makes streaming traces the default, fixes crash-free rate accuracy for unhandled errors, and adds dedicated app startup traces on Android and iOS.
Product Updates
Sentry JavaScript SDK v11 adds tracing for all JS platforms
The OpenTelemetry instrumentation packages needed a Node module loader, a package.json file, and a mutable exports object. v11 replaces all of that with a source transform and diagnostics channels, so tracing now works on Cloudflare Workers, Bun, Deno, and bundled server deployments.
Engineering
Reducing Android scope-sync overhead in Sentry Flutter
We moved Android SDK operations to a worker isolate, then streamlined scope updates by removing duplicate normalization and encoding JSON directly into UTF-8 bytes.
Product Updates
Unreal MCP now speaks Sentry
With Unreal Engine 5.8, your coding agent can drive the editor through Unreal MCP. The Sentry plugin adds tools and skills so it can set up Sentry, upload debug symbols, and root-cause crashes for you.
Product Updates
Seer, the Sentry MCP and CLI, or your own coding agent: where each one fits
Should you use Seer or just connect the MCP to your agent? A breakdown of what Seer, the Sentry agent plugin, the CLI, and coding agent handoffs each do — and when to reach for one over the other.
Engineering
How Etsy gets its mobile apps ready for peak traffic
Etsy engineering manager Jay Henry on running a code slush instead of a freeze, keeping alert fatigue out of peak season, and pricing a crash in GMS.
Product Updates
Big improvements to Seer Agent
Five months after launch, Seer Agent can now take action on your behalf in Sentry, and pull in infrastructure data from outside Sentry to diagnose issues faster.
Engineering
Measuring the back/forward cache with Application Metrics
The back/forward cache is one of the most impactful performance features on the web and one of the least observable, because success looks like silence. Here's how we made it measurable.
Engineering
Building Sentry's Laravel AI Integration
How we built zero-config Agent Tracing for Laravel AI during Agent Hackweek, from AI-generated defensive code to matching LLM calls with HTTP requests.
Engineering
Debugging our AI search assistant with agent tracing
How our team used Sentry's own AI Conversations feature to debug our natural language search assistant.
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.
