24 Oct 2023, 15:50

@Con-Hennekens said in pop-up <Move-Save as-Delete> doesn't show:

It's up to the developer of a browser to make it compliant

That is absolutely correct.
For that reason, beta versions are made available to developers well in advance so that they can test whether their stuff still works. If there are issues, then something must be done. And depending on the test result you can determine where that is.