The cushion cannot be placed on arbitrary flat surfaces in version 26.3 Snapshot 4

In version 26.3 Snapshot 4, the cushion cannot be placed on arbitrary flat surfaces as it can in version 26.3 Snapshot 3. The picture illustrates the case for version 26.3 Snapshot 3, while the video illustrates the case for version 26.3 Snapshot 4.

26.3 Snapshot 4版本中，坐垫不能像26.3 Snapshot 3版本那样放在任意平面上。图片展示的是26.3 Snapshot 3版本的情形，视频展示的是26.3 Snapshot 4版本的情形。