This release fixes immutability static analysis for internal ProxyManager symbols, which was incorrect due to being performed with an older psalm version.

Support for stream wrappers in combination with the FileLocator also has been corrected, since stream wrappers are inherently incompatible with realpath() from php-src.

Total issues resolved: 3

• 553: Revert "Documented basic immutable/mutation-free interfaces and services in the package" thanks to @Ocramius
• 557: Fix property initializers in ghost object examples thanks to @ostrolucky
• 558: Fix compatibility of FileLocator with stream wrappers thanks to @Bittarman