I start this post to report all the bugs we find in team feature, so maybe one day they get corrected and the feature be finalised and released. Please add the bugs you find, so they are all listed here.
Once a challenge is over, the completion percentage is not correct. Actually even if you perform 100% of the challenge, it will indicate 80%.Before completion this progress indicator was correct.
When you post a message on the challenge board with a smiley, the message is displayed empty.