Compatibility check when update

My seafile client just updated to a version (7.0.8) which is not supported by my OS anymore (OSX 10.11). Please implement this compatibility check and provide now links to older versions for a manual downgrade.
With kind regards

This check should indeed be done. Just curious: Why is the new Seafile Client version no longer compatible with OSX El Capitan @daniel.pan ?

Here are at least links for a downgrade. It seems to be enough to change the version number to load the desired version:

Update: The changelog indeed mentions drop of support for OSX versions below 10.12:

Unfortunately 7.0.4 seems to be the smallest version on AWS storage but 7.0.3 would be needed.

I think there never was 7.0.3 for Mac. 7.0.2 can be downloaded at