Spinebot Spine 的 Mac 版本确实没有默认支持使用 Cmd + M 进行窗口最小化的快捷键。在 Spine 的快捷键配置文件 hotkeys-1.txt 中也没有设置 Cmd + M 的选项。
Davide I'm sorry, but at the moment, some default macOS shortcuts do not work with Spine. This is a known issue that is already being tracked here. You can subscribe to this issue ticket to receive notifications about any progress.