I cannot type in any symbols and number 1 and 0 in the password field, looks like the issue only exists for youku.com, I tried other sites like YouTube and didn’t have this issue.
I recorded it and here is the link for the video:
We’re currently investigating this issue. Thank you for bringing it to our attention. The problem appears to be that we’re under the impression that these characters are not accepted by the website in passwords. It may be the case that is no longer (or never was) correct.
Our development team has submitted code that should hopefully fix this issue. We're looking to get that code into a beta release soon and then with any luck if testing goes well it'll make it into a stable release.