[sleavey]

I see. This change prompts me as something that could break a lot of code running on web servers where the sysadmin updates to PHP8 assuming it will be backwards compatible. I wonder if they did any code searching to see how widely used such expressions are in the wild.

[bavell]

I don't think anyone reading the migration guide [0] is going to assume their app/lib is backwards compatible without some effort.

[0] https://www.php.net/manual/en/migration80.php

[rovr138]

And anyone that knows the basics about semver