Feature: Support Disjunctive Normal Form Types (DNF types) for PHP 8.2+. (#237 by @nhedger)

Feature: Add full support for PHP 8.2. (#233 by @WyriHaximus and #241 by @clue)

Improve examples in documentation. (#226 by @nhedger)

Improve test suite and project setup and report failed assertions. (#215 and #217 by @SimonFrings and #241 by @clue)