We always encourage you to report and triage bugs, and now we've made the process even easier. You can start triaging bugs as soon as you create a Bugzilla account!
https://pointieststick.wordpress.com/2018/02/21/its-now-much-easier-to-be-a-bug-triager/
You don't need to be a programmer to do this, so why wait? Become a KDE contributor today ????