What's Changed

Features

• WIP - Limit inheritance to a subset of classes #1450 by @robchett in #9687
• UnsupportedPropertyReferenceUsage by @jack-worman in #9769
• Improve return types of pow() by @robchett in #9795
• Narrow the type of $haystack when strpos(...) !== false by @robchett in #9788
• allow using more than 8G of memory in psalter by @orklah in #9805

Fixes

• Fix missing global class type when scanning cached files by @tscni in #9735
• Fix union argument type check against templated param by @klimick in #9750
• Allow dynamic properties from PHPDoc by @fluffycondor in #9742
• improve glob stubs by @kkmuffme in #9752
• Removed return type false from date and gmdate by @Alkisum in #9761
• methods and vars cannot be falsy by @kkmuffme in #9796
• fix offset for type param changes by @orklah in #9803

Docs

• Documented suggestions for HTML user input by @mmcev106 in #9780
• Document array shape unsealing syntax by @robchett in #9784

Internal changes

• Enable opcache if it is installed by @danog in #9779

New Contributors

• @tscni made their first contribution in #9735
• @Alkisum made their first contribution in #9761

Full Changelog: 5.11.0...5.12.0