Narrowing down progress updates to only those that have been timed

Description of your request or bug report:

I’d like to see some way to filter the activity feed to see only timed progress updates. As someone whose intrigued by reading speeds, it would make it a lot easier for me to find people who actively track their reading times.

This request is most similar to this one here from 2022, but this specific filter wasn’t mentioned and the topic seems to have gone cold. I imagine if this were to be implemented Independent from a more advanced activity feed filtering system, it could probably just be a toggle that shows up only when viewing progress updates.

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