Totally agree. For members with hundreds of pieces of content either created or participated this activity feed on the profile page is virtually unusable. You can't search it or filter except by 2 very broad options Participated/Contributed. We were hoping that something might come on roadmap to make a personalized view of a user's content so they can do the sorting, filtering by content type, search within their content etc that we now miss so much from JX. As an interesting aside I did see in Studio that there are some interesting components under the heading User Profile here which we are going to investigate and if this works we may just ditch the OOB profile activity feed and use a combination of some of these which might give more granularity to that view:
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