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It might be not dying but, for example, our company banned new apps to be build with Ruby and Javascript, instead new apps needs to be build with Go or Rust, existing apps will continue to be written in Ruby and no plans to migrate to other languages, but at some point I think it would be migrated and/or deprecated.

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How did it work out for you? Are developers faster/slower/same as working with Ruby?

The benefits to go or rust isn't hands-on-the-keyboard developer velocity. Servers in Golang or rust will run faster (lower cloud costs). It also has lower risk of bugs and side effects.

Coding in go is slower than ruby, but debugging go code is 100x easier than debugging ruby or python code.

Once companies hit a certain size, the zoom-meeting time or system design time is an order of magnitude greater than coding time.

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