Compatibility

Psalm now required Composer 2.

What's Changed

Deprecations

• Deprecated Codebase::$php_major_version and Codebase::$php_minor_version properties by @weirdan in #7265
• Deprecated THtmlEscapedString by @weirdan in #7284

Features

• Template and variable types inference for methods marked with psalm-if-this-is by @klimick in #7259
• [Feat]: Initial Support for LSP Code Actions by @tm1000 in #7255
• Allow assertions on mutable object properties. by @AndrolGenhald in #7252
• Disallow ksorting lists by @danog in #7019

Fixes

• Remove "is not in project" warnings by @tm1000 in #7256
• Report missing file path properly by @simPod in #7266
• uniqid() returns a non-empty-string by @MidnightDesign in #7271
• pdo: more precise generic type by @staabm in #7274
• resolve ClassConstant for both sides in isContainedBy by @orklah in #7286
• Identify ints from TClassConstant when checking for LiteralEquality by @orklah in #7287
• resolve type alias and class const on UnionTypeComparator by @orklah in #7288
• Fix parse_url() return type by @villfa in #7293
• don't crash when pushing a template to in_array by @orklah in #7311
• Made all reflection classes implement Reflector by @donquixote in #7317
• fix empty string not quoted in keyed array offset by @orklah in #7309
• Prevented crashes on array_map(...) by @weirdan in #7321
• Fix analysis when __invoke() exists by @villfa in #7325

Internal changes

• Increase composer timeout by @weirdan in #7264
• Move from deprecated Composer 1 to Composer 2 runtime api by @DeyV in #7239

New Contributors

• @DeyV made their first contribution in #7239
• @MidnightDesign made their first contribution in #7271
• @donquixote made their first contribution in #7317

Full Changelog: 4.17.0...4.18