My favourite Jira filters

Anything Assigned to Me Personally

This filter picks up any items that slip through the built in filter.

assignee = currentUser() AND status != Closed ORDER BY Rank ASC

Assignee Was!

Gives you a list of tickets you have beed an assignee on since the start of the month.

assignee was currentUser() after startOfMonth()

Recently Resolved

project = <project_name> AND issuetype = Bug AND resolved >= -7d