Lots of new features were added recently, some of which don't appear to work as expected. I get the impression that new features are not adequately tested before being rolled out. Some new features, such as automatic tagging is very inaccurate and is more of a hindrance than a help. Customer service is slow and on more than one occasion closed my query without resolving it. This is my experience of 500px which has been negative (just in recent times).