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Personal Package Archives (PPAs)
The Xubuntu Development and QA teams use several PPAs (personal package archives) for staging, testing and previewing new packages and package versions. These PPAs can be found under the Xubuntu Developers page on Launchpad. The current official PPAs for development and testing use are below.
Xubuntu QA Staging
https://launchpad.net/~xubuntu-dev/+archive/ubuntu/staging
The staging PPA for Xubuntu QA. The packages and package versions in this PPA can be found in the current development version of Xubuntu and are available for use with the latest stable version.
Xubuntu QA Experimental
https://launchpad.net/~xubuntu-dev/+archive/ubuntu/experimental
The experimental PPA for Xubuntu QA. The packages and package versions in this PPA may be found in a later version of Xubuntu. Packages that have passed verification and will be included in the next stable version of Xubuntu will be moved to the Staging PPA.
Xubuntu SRU Staging
https://launchpad.net/~xubuntu-dev/+archive/ubuntu/sru-staging
The staging PPA for Xubuntu stable release updates (SRU). The packages and package versions in this PPA are being prepared for inclusion in a supported version of Xubuntu.