David Ruiz found a great way to explain test automation levels by taking into account all benefits and drawbacks. I loved the pros-and-cons tables!
One of the best discussion I've seen in a while on whether DevOps is the next essential skill for software testers, just like test automation is now. Lots of different points of view in here!
If you like the Page Object Pattern, here are a few solid rules from Nikolay Advolodkin for doing it right, backed by some meaty code examples.
I liked how straightforward Leonardo Galani is in challenging the common anti-patterns in test automation, all of which I agree with.
If you want a just-what-you-need-to-know and a quite-rich-in-examples guide on testing React Native, Stanislav Sopov got you covered. For the full experience, you can check out his testing demo on GitHub.