In the shortcut toolbar, the 'toggle personal roboport' icon is slightly off-center in it's png, and as a result you can see the left 'arm' from the smaller 16x16 icon in the file as well.
In game:
In Photoshop: (with a ruler on 32px)
[1.0.0] Personal roboport toggle icon not centered
Re: Tiny graphical error for the 32x32 toggle personal roboport icon
literally unplayable!
Re: [1.0.0] Personal roboport toggle icon not centered
Sorry for this offense to humanity.
Re: [1.0.0] Personal roboport toggle icon not centered
Thanks for the report, I already noticed it a month ago, and it is fixed for 1.1 release.