Note by @fastfinge

@Rosalyn I think it's probably because the windows clients are falling further and further behind. TWBlue doesn't support polls. Tweesecake still has a bunch of issues and no updates in like a year. Even if people liked web clients, Enafore still has issues with notifications and not updating timelines sometimes. On top of that, Mona on IOS and mac released a new paid version, so people would have to subscribe to it; it's not a one-time purchase anymore. If FastSM ever gets off the ground, or TWBlue gets the promised updates, activity will probably go back up a little. But if FastSM becomes the won, it also supports bluesky, so we might see the community split a bit now that they have a choice.