Based on this project, I made a custom-selection-box-update adapted to Minecraft 1.20.1, added a Chinese language pack, and if you want, you can click the link to get the mod: (https://gitee.com/jeremyhill/custom-selection-box-update1.20.1)

Hello @shedaniel I made a 1.20.1 version of this project, and I can use it myself if needed: https://github.com/jeremy-s-hill/CustomSelectionBox-New

基于此项目 本人做了了一个适配Minecraft 1.20.1的custom-selection-box-update, 添加了汉化语言包 想要的可以点击该链接获得该模组: []CustomSelectionBoxUpdate1.20.1

您好 @shedaniel 我做了一个这个项目的1.20.1版本, 如有需要可自行取用: https://github.com/jeremy-s-hill/CustomSelectionBox-New