The pages on the wiki that you should read before doing any suggestion on the forums.
“Welcome to the Arena! This is where warriors from around the world will meet! There is no...Manual
“As any project out there, OpenArena has a series of "do"s and "don't"s, things which fall inside...NOTTODO
“This is the developer FAQ for everyone who wants to contribute to OpenArena. Regular users...DeveloperFAQ