You can search and filter all Bluesky posts with the hashtags #Positconf2025, #Positconf25 and/or #Positconf in my Shiny app:
https://apps.machlis.com/shiny/positconf2025/

posit::conf(2025) is @Posit 's data science conference that took place in Atlanta & virtually last week, with a focus on #RStats & #Python

(I didn't do this for Mastodon posts because I've encountered objections here in the past when doing similar aggregation of Mastodon content)