>>In the last two or three days I noticed some strange things with private messages. I sent couple of them to different persons but didn't get a single reply, so I started to worry. I sent a test message to someone, but didn't receive reply, so it's definitely not working properly. Nick confirmed the same thing...
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>Was that sent using the new icon or from the previous ways?

Mine were sent the old way - Private messages icon - open message-reply.