That is the disadvantage of open-source, it forces you to use the language of someone else's source.
I used Delphi on Windows. Most of the code I wrote in the last 20 years is in Pascal.
And that works really well on Windows. You have a stable API, and it does not matter what language the API is written in. Any language can use the API in the same way.
I tried to run some old projects this month. My 20 year old Delphi Windows programs run better in WINE on Linux than most programs I wrote 5 years using Linux tools, because the libraries have changed, but the API has not