These type of charts annoy me because they have redundant information. They're symmetric along the diagonal.

What is the purpose of sharing this? To highlight how many devs are affected?

Warm :)

The cat put it up

Thank you. I was wondering if they were ok

Always good to be reminded not to feed trolls. Thanks!

Based

You can if you pick a column. What i would do is put the name of each group in the gray box which is currently just where each group intersects with themselves. Then delete everything above that so it's just a triangle.

Fairly normal. Pilots do this when there is "crosswind:" wind blowing sideways to the runway.

Technically not a Smithsonian, but I love the free guided tours at the National Gallery of Art.

If it's incorrect you have the power to change it.