2.26.4
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* Make tiff loader threadsafe

* Support saving ICC profiles in jpeg (#604610)

* Add some missing annotations (#683064)

* Documentation improvements (#676430)

* Translation updates
 Assamese
 Belarusian
 Brazilian Portuguese
 British English
 Catalan
 Czech
 Danish
 French
 Galician
 German
 Greek
 Hebrew
 Hungarian
 Indonesian
 Korean
 Latvian
 Lithuanian
 Norwegian bokmål
 Polish
 Portuguese
 Punjabi
 Russian
 Serbian
 Slovenian
 Spanish
 Traditional Chinese
 Vietnamese