Collaboration and working with clients has changed a lot in the 10 years I’ve been doing it, and to show that, Assembla crunched the numbers with a great survey:
http://blog.assembla.com/2016-client-collaboration-survey-findings
The findings are spot-on, it’s worth a read.
Managing feature requests is an issue every developer deals with (unless you’ve got a fancy business analyst between you and the client). Rachel Anderson from Perch describes some awesome tips for choosing how to prioritize and code up features.
http://alistapart.com/column/managing-feature-requests
The most important tip is her first one, figure out what the clients actual issue is, and don’t just code up the solution they come up with.