Is it possible to do something like this?
https://discourse.angusmcleod.com.au/news
join all recent posts in a timeline.
I’m very interested but I did not find a plugin 
It is a plugin on @angus’s site, there is also:
https://meta.discourse.org/groups/trust_level_0/activity/posts
Which works out-of-the-box
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I really liked the plugin, but I did not find it here.
=/
It’s not an officially supported plugin and hasn’t been posted here (possible that it’s just unfinished), so if you’re interested in it your best bet would to reach out to the author of the plugin directly or to hire a developer to create a similar plugin for you.
We have no current plans to support functionality like this in Discourse without a plugin.
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