What is the add-on arm

Hello out there,
I have just seen that there is an add-on called arm-1.4.5.0-1. What is it for and where to find documentation about it. Internet search does not clarify this.

Regards

Frank

I think this is necessary for cross-compilation.

No, it is a CLI tool to monitor tor peers. It does not have anything to do with the ARM architecture.

https://blog.torproject.org/category/tags/arm

The website is down and it is unmaintained. Therefore it will be dropped with Core Update 142.