Version 2.30.1
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* Accessibility Devel Guide:
 - Updated translations:
   es    (Jorge González)
* Human Interface Guidelines
 - Updated translations:
   el    (Marios Zindilis)
* Optimization Guide:
 - Updated translations:
   cs    (Petr Kovar)
   el    (Nikos Bakaoukas)
* Platform Overview:
 - Updated translations:
   uk    (Maxim V. Dziumanenko)