See the 42.beta release notes,

Lots of new/updated translations:

• Basque
• Brazilian Portuguese
• Bulgarian
• Catalan
• Chinese (China)
• Croatian
• Czech
• Danish
• Dutch
• Finnish
• French
• Friulian
• Galician
• German
• Hebrew
• Hungarian
• Indonesian
• Italian
• Japanese
• Kazakh
• Korean
• Lithuanian
• Nepali
• Norwegian Bokmål
• Occitan
• Persian
• Polish
• Portuguese
• Portuguese (Brazil)
• Punjabi
• Russian
• Serbian
• Slovak
• Slovenian
• Spanish
• Swedish
• Vietnamese
• Turkish
• Ukrainian