Lessons learned while debugging URL scheme usage on iOS 9, most importantly: that bug isn't unreproducible, you've just already fixed it without realizing it. Read more.
The last few days we fixed some bugs in our frontend code. Our logs, however, shows that a surprisingly large amount of users still have these bugs. Why? Why do we keep getting logs about bugs we already fixed and deployed? It's not a caching issue so what have we missed? Read more.