Marcel, your suggestions are very important to our team, but understandably it's quite difficult to process every single individual suggestion. This means that an answer should not be expected for every idea posted.
Our suggest board is one of the ways for us to learn what essential features the community needs. I want to stress that this board is designed specifically to give ideas and inspiration not only to our team at Oxwall Foundation, but the entire Oxwall Community, with its army of third-party developers.
The better part of the major updates come with the most important and essential features. However, to identify ideas of primary relevance we need to hear the voices of our webmasters. This is why we use the uservoice platform with its voting system for proposed features, which lets us set priorities in the dev plan if the demand really exists - the bigger the score, the higher the priority.
The eventual decision will be made based on the number of votes a suggestion received, while other ideas are skipped for the time being, generating more traction with the community.
So, if you're talking about one more option for the Privacy plugin, for example it could be named "Who can invite me to groups" thereby you are suggesting a kind of new feature. If this is really essential, then feel free to submit your improvement at Oxwall uservoice:
http://oxwall.uservoice.com/forums/13756-ideas-for-oxwall .