The openSuSE project offers two distributions: Tumbleweed, which is a rolling distribution that gets continuous updates, and Leap, which is a point distribution that gets periodic updates.
Looking at it a different way, I think of Tumbleweed as being a development distribution, so I expect it to get the latest version of all its major packages very quickly, but I am not surprised when there is some minor instability. I consider Leap to be a stable distribution, so some of the major/critical packages only get updates when a new point release is made, and I expect it to be very dependable.
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