Improvements

InstantiationRule - check new static() in final class, with final constructor, or when the constructor comes from an implemented interface (3e5cd7f)

Bleeding edge

new static() is safe only with final constructor or in final class - level 0 (3ebf508). See the Twitter poll about this.

Fix resolving static in constant array (a02404b), #2360
PhpMethodReflection - fixed isDeprecated(), isInternal(), isFinal() (765179c)
IncompatiblePropertyPhpDocTypeRule - fixed complaining about mixed when property has native typehint but no phpDoc (89cf4b1), #2363
Password constants are no longer mixed (e93fd2f), #2362
Mark NeverType as explicit to allow its usage in phpDocs (01a76d1), #2297
Fixed internal error when checking class existence with leading backslash (47a5cd2), #2359
Use more verbose type description when the parameter type contains callable (b343bbf), #2353