[Repost] MarginNote 4 (DMG) Released: DMG Free Upgrade Exchange Service Now Open

🛠 Tools and Programming
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Friends who purchased the MN3 dmg version, please upgrade as soon as possible

For details, see MarginNote 4 (DMG)发布：DMG免费升级兑换服务开放中 - 站务 - MarginNote 中文社区