Bug Fix: Fixed bug that caused properties with generic return types to not be specialized correctly.
Bug Fix: Added support for property getters, setters and deleters that have generic types for the "self" parameter.
Bug Fix: Silenced a noisy error message related to file system watcher.
Bug Fix: Added missing translation layer that translates configured platform (e.g. "Windows") into the corresponding sys.platform string (e.g. "win32").
Enhancement: Added support for type constraints of the form "X == None" and "X != None".
Enhancement: Changed the behavior of VS Code extension when no pyrightconfig.json is present. It now defaults to include all source files under the root workspace directory. This was already the behavior for the command-line version of pyright.