It’s very difficult. The distinction is made more difficult because the version number is often talked about in various topics without attaching the android version letter.
If you are on eOS-018-q for example, you would presumably be interested to hear about people’s experiences updating to version 0.19-q.
Therefore you must try to establish what 0.19’s people may be talking about; n, o, p, or q!
And fairly soon there will be another: 0.19-r.
A quick search and here’s a couple of topics on updates (to what?)