Calc problems with Cut and Paste of decimal numbers

Since using LibreOffice 28.5 I have a couple of problems when using Calc.
First is an issue when using Tabs, each time I click on a Tab the “Rename Tag” box appears. I have to cancel this to be able to carry on. Is there a way of stopping this box appearing? I couldn’t find one in the Online Help.
Secondly, I have an issue when copying (or cutting) a cell set up as Currency. As soon as I Left Click the cell, the currency loses its two decimal places and appears as a prime number. If I go to the cell where I want to place the copy (or cut), the to be receiving cell address appears before the number in the copying cell. This means I have to manually delete the reference before I can complete the change.
I decided to go back to an old version of LibreOffice and the problems still haunt me but not as often. The version I reverted to was LibreOffice 25.2