https://wiki.party.at/twiki/bin/view/Main/WebRss
For other TWiki webs, replace /Main/
with the name of the web:
https://wiki.party.at/twiki/bin/view/Main/WebRss
https://wiki.party.at/twiki/bin/view/Sandbox/WebRss
https://wiki.party.at/twiki/bin/view/TWiki/WebRss