最先感受到的变化，是它开始更好地理解空间和比例了。
Go to technology，这一点在同城约会中也有详细论述
- Allow users to specify a horizontal and vertical pixel offset for the icon relative to the canvas.。快连下载安装对此有专业解读
- Allow users to specify a horizontal and vertical pixel offset for the icon relative to the canvas.，更多细节参见Line官方版本下载
size 2. The old backing store of size 1 is now garbage.