Bevy version
0.4.0
The release number or commit hash of the version you're using.

Operating system & version
Ubuntu 20.04
Ex: Windows 10, Ubuntu 18.04, iOS 14.

What you did
Followed instructions in linux dependencies
Fixed it by installing this: sudo apt install build-essential

**What you expe

Describe the bug
I tried to build this app on Ubuntu 20.10 for the Raspberry Pi, npm install finished successfully but when running npm start the tray icon appears but nothing else works. clicki

It's very important for me for the text to be clearly visible when added to a screenshot. This is usually easily achieved by using black text with white background or white text with black background - but other colours usually look good with either (except maybe for very dark and very light colours).
I know that usually the implementations involve:

• Creating a shadow
• Creating a border

I

Displaying the current tool number {after T0/T1/T2/...) on the screen would be helpful with MMU2 or other toolchanger.
The number can be displayed inside the nozzle picture.

There are many reports of the test being flaky: bitcoin/bitcoin#20672 (comment)

Thus, it should be made more robust, as described in bitcoin/bitcoin#20538 (comment)

Useful skills:

• Background in our functional test suite (python3)
• Background in zmq

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