As decribed in id3lib's bug #54136, EasyTag is broken because id3lib corrupts tags encoded in UNICODE vector encodings; for example I've had id3 tags with Japanese and Chinese content be damaged by EasyTag due to this bug.
id3lib3.8.3-6 corrects this brokenness by including a long standing patch created by the EasyTag developers (id3lib hasn't been further developed for 3 years already, BTW).
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