A few things I learned this week.. Google delayed MV3 again; there's a great diagram showing all the HTTP response codes and when to use them; the Insight rover is now retired, but the data is available online
I migrated my addons to MV3, and learned that version numbers increase, DRY is overrated, and 3 and 15 are probably important but I have no idea why. What I didn't learn is how MV3 made my addon better.
If you've ever dug into the underpinnings of a browser extension, or maybe even created one yourself, you've seen the manifest.json file that acts as a sort of usage guide for an extension. Not the kind of usage guide most people would want to read, but it's vital for