I know it’s frustrating when features don’t appear as fast as we’d like. After shipping Balsamiq Cloud in October 2017 we turned our attention to new, native versions of the desktop apps which we sorely needed to update. Both those projects were huge - in relative terms - for our small team and have been the main focus of our engineering for some time now. The new desktop apps are in limited beta now which is a good indication of progress.
Once we get those shipped, we’ll be able to turn our attention and resources back to feature requests. I know it’s not the answer you want to hear but I also think it’s important to be up front about our priorities.
We track all requests like this formally and prioritize based on feedback like this. So thank you for letting us know how important this is - I have added your vote to our tracking.
For now, all the best.