I would find it really convenient to have different bookmarks on my favourite bar depending on the workspace that I'm using. I love the concept of workspaces because it allows me to switch between tasks without overloading my computer hardware and visual space. But, it would be great if I could customize the bookmark bar for each work space so that only my relevant bookmarks show up.
I know this is not a feature relevant to everyone, but it would help my productivity and really set Opera above other browsers. Let me know what you think, whether the time and energy for implementation would be worth it. Thanks.