Tobias Geerinckx-Rice 写道：
> the button icons are generic orbs

It's clear from the screenshot but I should be more accessible:

Only 5 icons are incorrect.  4 of those look like CSD and split 
the window in various ways.  One is in the status bar and I have 
no idea what it ought to be.  All icons actually used for 
navigation render fine.

Kind regards,

T G-R