Lately there has been a flood of updates.
Is there a way to completely reset the notifications about updated games in your lib on the website without having to click on each updated game ? Thanks a lot!

Again, nine new updates. Sigh! .-P

There's already a wishlist item for this feature:
https://www.gog.com/wishlist/site/clear_all_button_for_update_notifications

I have 100 update notifications, which kind of defeats the purpose.

It would also be nice if only major updates would trigger them (e.g. new game features, bug fixes, DOSBox updates), ignoring minor changes in the installer, etc.

Thanks, 100% agreement!

I think if you leave your updated games filtered for a while the Purple Dot will disappear itself.