We have just released a new beta client (version 0.19.6) for you to try out.
You can opt-in to our Beta Client program from within the Client via the 'settings' screen
Beta client version 0.19.6 has the following changes:
* Fixed a problem where games that are no longer available could not be uninstalled through "Manage games".
* Fixed an issue with streaming where some files would not be downloaded in time.
* Improved game compatibility