I use go-ts-mode on a daily basis!
When I switched to go-ts-mode I found a missing feature - so I contributed it! Here it is:
"Extend go-ts-mode with command to add docstring to function"
https://git.savannah.gnu.org/cgit/emacs.git/commit/?id=f0971f94fe42224b4d85bb8b6188d5d805689ddf
I've done similar contributions - I encourage you do to the same if there's a feature that you need
https://git.savannah.gnu.org/cgit/emacs.git/log/?qt=author&q=Evgeni+Kolev