Is your feature request related to a problem? Please describe.
For some lists, I've so many tasks which I need to do. I complete a lot of tasks but I dont need to create new lists very frequently. But looks like if I want a clean UI I've to delete the completed tasks. There should be a way to hide all completed tasks or hide older completed tasks to that I always have a clear view. i don't want to delete tasks because I might want to check completed tasks sometimes.
Describe the solution you'd like
For task lists, we should have filters. Like hide completed tasks etc.
Describe alternatives you've considered
Additional context