OS X 10.10 Yosemite: New Language Features

Upon initial testing I have found the following:

+New Localizations: Spanish (Mexico)

+New Spell Checkers: Turkish

+New Dictionaries: Portuguese, Russian, Turkish, Thai, Spanish-English

+New Language Keyboards: None

+3 New Devanagari Fonts

+Various Improvements in Japanese Input

+Context based candidates for Chinese Input

+Improved Chinese and Japanese Spotlight search