Hmm, seems like I wait for 48 hours more and still on probation :'(
Newly registered members are referred to as Probationary Members, who have limited access to the features at WJunction, including limited access to certain subforums. Probationary Members must wait a period of 2 days (48 hours) and make a minimum of 2 posts prior to these limitations being removed, which is done automatically (but may take up to 15 minutes, so be patient).