Article links which described v3 functionality before, now describe v4 - where can we get the v3 articles
One answer
There are articles in the Jazz.net library at all different versions of the software, so you'd have to check the product version on each article. In some cases, articles are applicable across different versions. Even some of the oldest articles for 1.0 describe applicable scenarios.
To find specific descriptions of all supported features for a version, I'd recommend that you review the online product documentation (Help). You can find links to different versions of the product doc in the library:
For example, here are links to 3.0 and 3.0.1.x help for RTC:
Hope that helps!