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One basic and useful functionality this forum misses is option to be notified by e-mail about new messages in a subscribed topic or replies to own posts. Also, possibly even more convenient way would be adding per topis RSS feeds (if not even private ones mentioned in one of wishlist propositions linked to later). Have GOG staff thought about implementing these?

There are presently several entries in the Community Features Wishlist covering this:
Notification of forum replies
Email Notification For Forum Posts
Private RSS feed for users with PMs and/or forum replies

What do other forum members think about this, do you have a need for an option like that and think it would improve user experience?