I will implement this

[0Nera]

I'll add this to Synapse OS

[toby3d]

Using this status code in my own Go-projects is questionable, but okay:
https://pkg.go.dev/source.toby3d.me/toby3d/hacks/net/http#StatusQuestionableButOkay

[lavafrai]

I implemented this for ktor and have already sent a pull request!
ktorio/ktor#4003