I believe the 1.9 installer will replace 1.7, no need to uninstall.
Configurations should be preserved.
NO impact on repositories.
The will probably be a slight hitch with the license. In 1.8, Atlassian changed how licenses work. During/after installation of 1.9, you'll need to log in with an Atlassian ID in order for the software to register. I don't know if there is a reliable solution yet for users trying to install SourceTree in isolated (no internet) environments.
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Supported Platforms macOS Windows To make using Sourcetree as simple yet powerful as possible we embed (bundle) dependencies such as Git, Git LFS, and Mercurial. We strive to keep these...
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