- Added device metrics to Chrome options for mobile emulation and introduced NoSuchSessionException in the core API.
- Fixed several stability issues: memory leak in TemporaryFileSystem, NullPointerException in Firefox, and ensured browser processes stop correctly on exit.
- Updated dependencies and components: upgraded HtmlUnit to 2.20, removed unnecessary Ruby "multi json" dependency, and improved node sorting by considering last access time.
Selenium 2.52.2
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Added a new transport layer for generated BiDi modules and improved BiDi schema fidelity, including extensible types and validation of primitives.