Suno V4引入“Remaster”功能，提升音质并支持旧作品升级至新标准；新增“ReMi” AI歌词助手，帮助用户创作歌词，并在封面艺术、音频重混等方面进行了改进； “Personas”功能升级，但存在用户反馈问题，如歌词重复和创作不精准，部分技术细节仍待优化。
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