Well, the different hosting providers and operating systems provide backported security patches, if you mean the security. I know, this is a nightmare for CISOs, auditors and security persons like me.
https://www.google.com/search?q=php+backports
https://github.com/microsoft/php-src
Please see the current reviews which mention the issue with the platform check and take a look at the GitHub issue which shows that the platform check was disabled there but the last update still contains the platform check.
I am aware that PHP 7.3+ should be used in production but the reality is quite different. Also WordPress itself supports PHP 5.6+.
Updating the PHP version to some (much) higher one could lead to other issues too.
As a real example, I work for clients which have many websites and projects by others running on the same server which hosts marketing campaigns and tools for the company and the server globally uses PHP 7.1. Try to change that without getting big problems with this big company (and I am not responsible for the technical setup which is done by others) ??
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This reply was modified 3 years, 12 months ago by Anonymous User 17880307.
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This reply was modified 3 years, 12 months ago by Anonymous User 17880307.
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This reply was modified 3 years, 12 months ago by Anonymous User 17880307.
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This reply was modified 3 years, 12 months ago by Anonymous User 17880307.