While I am happy with the new Facebook Developer App, I found recently that the maximum length support for the “canvas page” field is 2-char less than what we have in the old Developer App.
A bug report was therefore opened in Facebook Bugzilla for this.
I got a response from Facebook telling me that they will look into the issue. Surprisingly, they told me that if I need to workaround the bug, I can hack the tool!
Woo!!! So, may be I should try doing this kind of stuff for other Facebook tools too!