@lpmorgan1, I did a bit of digging and found some issues that could be good to get started:
Python
- Unselecting the "hover" option doesn't do anything · Issue #44 · ubuntu-mate/mate-menu · GitHub
- Add a "Don't show this message again" checkbox on the changing layouts message. · Issue #29 · ubuntu-mate/mate-tweak · GitHub
- Add an option to move search box above application's plugin · Issue #11 · ubuntu-mate/mate-menu · GitHub
- Feature Request - Option for disabling super+<N> shortcuts · Issue #175 · ubuntu-mate/mate-dock-applet · GitHub
C
- [request] 300% Zoom Level · Issue #1109 · mate-desktop/caja · GitHub
- Allow to disable display of line number · Issue #407 · mate-desktop/pluma · GitHub
- Always show tabs · Issue #286 · mate-desktop/mate-terminal · GitHub
Also, I wrote a post a while ago on how to get started on forking our projects, building, testing, etc:
Take a look there and feel free to post more questions here.