I have got the answer by premium support:
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Hi Robertas !
1. Rss feed display articles of current page , because you are on frontpage when click on rss icon , it only display articles of frontpage, please go to other page and click on rss icon at the right bottom corner , it will display other articles of that page. If you want display all articles in RSS , you must hack to code of joomla core, this is heavy customization, I am sorry for not being of much help in this case.
2. Rss feed is a list of article , so rss icon doesn’t display at article detail page. It only display on category/section blog or category/section table list page.
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Did not try yet, but I guess i will try to dwonload external joomla extensions for rss. maybe it will solve this problem.. I also would be glad if anyone would tell how he managed to solve it
<em>@questbg 93916 wrote:</em><blockquote>Robert. Did you ever get a fix for this? I have the same problem!
Thanks
Chris</blockquote>