Backend The beautiful headache called event sourcing A deep dive into the decision to use event sourcing for payment processing and why, in the end, it was a wonderful fit
Android The missing part of Android in-app updates Prioritising in-app updates while Play Store support is not yet available
iOS Adapting to the new 'allow just once' location permission in iOSĀ 13 At the WWDC19 keynote Apple announced two changes in the way location permissions will work in iOS 13. Avoid losing users over these permission optimizations by understanding these changes.