Every time I try to use Jump Forward (SHIFT+ALT+-), my editor always says "Already at the newest position" while actually not in the newest position. Jump Back (ALT+-) works well.
如果您的意思是在光标位置历史记录中前后跳转,那么在 Sublime Text 3 中它是built in http://www.sublimetext.com/blog/articles/sublime-text-3-beta-3019通过转到菜单或键盘快捷键: