Every #€%&&%&!! time I use Libre Office I have to prevent i from becoming I. And capital letters after abbreviations is a pain in the butt. Here are the setting I have to correct after each update. Since this is not common knowledge I have to do this fight 20 minutes or more depending on my luck in the search engines.
Here is the solution:
The blank fieds are the ones I removed. Then work was possible again.