"My dynamic blocks broke after switching languages." Fix: This is a myth perpetuated by 2010-era bugs. In 2016, dynamic block properties are stored via parameter names , which are system variables, not strings. Check your LANGUAGEPREFERENCE sysvar. It should be set to 1 (Use installed language pack).
Rather than maintaining multiple heavy installations of AutoCAD for different team members, language packs provide a modular way to customize your workspace. autocad 2016 language packs better
A US-based architecture firm receives an RFI (Request for Information) from a site manager in Quebec. The manager speaks French and sent back markups in French. "My dynamic blocks broke after switching languages