[Changelog For "Heirloom Changes in Shadowlands"]

• 2022/03/10，19:45： added a note on level 60 heirloom upgrades 来自 Neryssa
• 2020/09/06，15:39： added levels 来自 RenataKane
• [Status set to 同意]： 2020/08/10，17:20