# Testing
3 posts- Keeping Up With the Python Ecosystemdate: author: Ivana Kellyer
The Sentry Python SDK has built-in support for more than 60 popular packages. This is how we make sure we actually support what we claim to be supporting.
- Mutation-testing our JavaScript SDKsdate: author: Lukas Stracke
Let's dive into mutation testing. In this post we talk about how mutation testing works, the state of it in JavaScript and we share our results of applying it to our JavaScript SDK repository
- How we run our Python tests in hundreds of environments really fastdate: author: Anton Pirker
One of Sentries core company values is “for every developer”. We want to support every developer out there with our tools. But not every developer uses the newest or widely adopted tech stack, so we also try to suppor...