vimeo/psalm 5.9.0 on GitHub

What's Changed

json_encode() returns a non-empty-string with JSON_THROW_ON_ERROR | JSON_UNESCAPED_UNICODE by @fluffycondor in #9479
WIP: Performance/Feature Improvements to the Language Server by @tm1000 in #8960
Support int separators in docblocks by @weirdan in #9491
@Property annotations: allow not implying @psalm-seal-properties by @danielbeardsley in #9568
Improve PHP8 str_* function signatures by @fluffycondor in #9534
Contextual inference for first-class-callable by @klimick in #9570

Compare list generic params by @weirdan in #9487
Add truthy-string to reserved word list. by @ZebulanStanphill in #9486
Fix #9433 by @ptomulik in #9439
Add missing array, float, int and bool types to callmaps by @othercorey in #9474
Fix asserted property mangling by @weirdan in #9507
Fix return type of str_split() by @othercorey in #9504
Fix integer overflow in array keys by @weirdan in #9499
Set inside_call for eval expressions by @edsrzf in #9519
Improve json_encode/json_decode functions signatures by @fluffycondor in #9525
Fix MissingThrowsDocblock when documented interface is extended by thrown exception interface by @paoloconi96 in #9528
Fixed #9496 by @ptomulik in #9497
Prevent assertion leaks from else by @weirdan in #9538
Fixed coercion of mixed into non-empty-mixed by @weirdan in #9541
always combine the result of expansions by @orklah in #9562
Clean up unreflectable callmap methods by @othercorey in #9526
Add better return type to mysqli fetch_field* by @MoonE in #9555
[mysql] Add stubs for mysqli, mysqli_result and mysqli_stmt classes by @phansys in #9547
Fix array_unique callmap by @othercorey in #9323
Improve types for range() by @kamil-tekiela in #9577
Fixed #9506 by @ptomulik in #9509
Handle different line endings from baseline. by @DnwK98 in #9566

Optimize composer caching by @weirdan in #9493
Update phar-build to large resource class in config.yml by @weirdan in #9494
Refuse to use PHP versions we did not request by @weirdan in #9492
Make Atomic subclasses consistently call their parent constructors by @edsrzf in #9406
Remove always-empty ClassAnalyzer leftover_stmts array by @edsrzf in #9522
Skip gnupg extension in callmap tests by @othercorey in #9576

Full Changelog: 5.8.0...5.9.0