We have tested with version 2.0.21, it does not remove any slashes or umlots but trim the line breaks in textarea, this will be resolved in version 2.0.22. For now, we can give you a patch for this problem.
This patch shuld only be applied to version 2.0.21. You should make a backup of your files and database prior applying this. It would be recommended to apply the patch on staging/dev site before moving live.