Some Bugs In March 2017 Edition

There are some unresolved bugs in the new version of Power BI (2.44-March-2017)edition, Please check them. I was not able to change the name of two columns simultaneously, After Changing one i had to close and apply and come back to change the error, and while creating the new table in the Power BI, when i right click on the column name the UI of the table Disappears untill i choose an option from the right click that i did, please look into it, i hope i am right on this feedback if wrong please dont look into it