First, FYI I moved this thread to the Tips and Tricks forum section (Developers & API is for developers integrating with Asana via its programming interface).
Second, the two issues you’ve mentioned here - the old shortcuts not working in My Tasks and recurring tasks showing up in Recently Assigned - are both an offshoot of Asana’s recent update to a new My Tasks design.
You can read about the new My Tasks here:
In terms of the two issues you’ve mentioned, please see this post for more info on both of those: