Device capabilities detection/filtering for Ubuntu

Provide a flexible way to filter for specific device capabilities like e.g. hardware opengl to avoid people downloading apps that will not run on their system.

debdelta support for Ubuntu

Support debdelta upgrades of Ubuntu.

Porting software-center to python3 for Ubuntu

Port software-center/aptdaemon to python3

Ratings and reviews in software-center for Ubuntu

To make software easier to choose in the Ubuntu Software Center, Launchpad should record ratings and reviews for applications and binary packages, submitted to it by users with an Ubuntu Single Sign-on account via the Launchpad API. There should also be a moderation system for speedy removal of inappropriate rev...

Make incremental updates possible for Ubuntu

Instead of processing all updates in one go in update-manager, split them into the smallest possible chunks to save diskspace on low-memory systems. This also makes it trivial to implement a "cancel" button in the upgrade that will just stop the current chunk.