this is the closest you'll get but it hasn't been updated in a while Ruckus ICX Target Path Selection Guide | Technical Documents | Ruckus Wireless SupportA list of all FW versions you can find on the support page.
Software Downloads | Ruckus Wireless Support
What I am asking myself is if there is somewhere a simple overview if the different "branches". At least to me it looks like branches. Please correct me if this is wrong. Old and newer branches are getting maintained in parallel: 08.0.80, 08.0.90, 08.0.92, 08.0.95
8090 is the "recommended" train, 8092 is slightly newer but still stable in my experience, 8095 is brand new and still has issues