If you have a CCO all that information is located in the relase notes for that particular release . This information is in the download code area on CCO. SSH is supported on most of the releases but you have to get crypto versions of the software , even 6.X versions support SSH if you get the correct one . If want to stay in the 7.6 train which is general deployment then the latest version is 7.6.15 and you need to get the K9 version of the software.
I would imagine that eventually that 8.X train will go GD . I also anticipate that 8.X train will be the last catos version we'll see as cisco is pushing everything to IOS , which is a shame because for layer 2 switching i just found catos a lot easier to use with the "set" based commands . This is just my opinion though . :-)
We are pleased to announce availability of Beta software for 16.6.3. 16.6.3 will be the second rebuild on the 16.6 release train targeted towards Catalyst 9500/9400/9300/3850/3650 switching platforms. We are looking for early feedback from custome...