Improvements 🔧

• Return type extension for array_column() (#948), thanks @jlherren!
• Generic stub for DatePeriod + constructor dynamic return type extension (#958), #5953, thanks @Alban-io!
• Resolve remaining predefined constants (#693), thanks @herndlm!

Bugfixes 🐛

• Support all array_filter() flags for narrowing down types (#941), thanks @herndlm!
• Fix error The supplied range exceeds the maximum array size (#934), #6375, thanks @voku!
• Nullable union template type bound is actually supported (phpstan/phpstan-src@1d8b2eb), #4656, #5305, #3384
• Fix reporting nonexistent offset in isset() (phpstan/phpstan-src@f05e8eb), #4926
• Fix interaction between template type and intersection type (#955), #6210, thanks @arnaud-lb!
• Fix tests on 32-bit (#957), thanks @herndlm!
• Fix resolving type of isset(), empty() and null coalesce operator (??) (phpstan/phpstan-src@3b17acc), #4592, #4903, #2420, #2718, #3126, #4586, #4887

Function signature fixes 🤖

• Narrow down the return type of the Throwable::getTrace() method (#914), thanks @ste93cry!
• Fix DOMDocument::saveXML signature (#956), thanks @kissifrot!