After stopping debugging it takes very long until the code can be compiled again. The reason is that the created exe file cannot copied to the output path because the exe from the last compile run cannot be deleted (not manually and also not via the "clean solution" menu option).Sometimes also the pdb file cannot be deleted. After hitting 'clean solution' the file(s) sometimes disappear after a few minutes.
This happens even on minimal forms projects (3 classes, no fancy dependencies). Makes sharpDevelop5 virtually unusable :-(