Updating Safari:
:I was asked by my Bank- to update Safari Browser: I Updated my Mac BIG SUR software to 11.1.. doesn't that automatically update Safari? It isn't working.. LR
Mac mini, macOS 10.14
Please read Update to the latest version of Safari - Apple Support.
Excerpt:
If a website says that your browser is out of date
If a website says that Safari is out of date even though you're already using the latest version of macOS or the latest version of iOS or iPadOS, there could be an issue with the website. If you’re sure that you want to use the website, contact the website owner or developer.