PHP 8.6 ships november 19
partial function application, a duration type, clamp, readonly property defaults, stream errors as exceptions and a lot more
all you need to know: https://nunomaduro.com/posts/everything-new-in-php-8-6
nunomaduroEverything New in PHP 8.6Everything new in PHP 8.6, ordered from the coolest feature to the smallest detail, with examples and the date of the release.