Please make the effort and describe the issues on feedback tracker. Otherwise it is impossible to track down all of them and solve them. Some of the problems with disappering items have been solved in the latest exe (0.61.105900) BUT if there is no repro, we dont have anything to test against. Sheer complaining gets us nowhere.
There is an important difference between behaviour in MP and SP, some actions can work in SP but be broken entirely in MP. Our QA is doing best it can to find all bugs, but the importance of "more eyes" of FB tracker is significant.