Bug - spreadsheet - conditional formating is pasted only in the first cell, not in the next ones

Hi all,
I have a spreadsheet in which I applied a conditional formatting on several cells.
I copy a cell with it, and and paste it on several target cells at once.
I’m expecting to have the conditional formatting pasted to all the target cells.
What I get is that the formatting is only applied on the first cell:

Here is the test file:

Hello @arcqus

We are checking the situation. I will update this thread once any news come up.

Hello again @arcqus

Based on this case we have registered bug number 62132.
We are already working on it.

Thank you for reporting it.