Answer for your main question: https://gist.github.com/rahularyan/c41295f83ea48a0cce48 Notification popup will be fixed in upcoming version, it will be hiddden once clicked on it. Thanks for reporting.
+1 This will be a helpful features.
I will defiantly check and if this is core issue I will release a patch.
It will be implemented in upcoming version
breadcrumbs in general is a great idea
There is an option to disable AnsPress profile. Use this filter: https://gist.github.com/rahularyan/c41295f83ea48a0cce48
Based on votes. Let me check why its showing 0 count in top
Fixing it.
I will check the issue. All of sorting show count 0 at the bottom, sorted by date