3 ms·Rails devs: heads up on JSON 3.0 gem2 points by jjgreen 1mo agojjgreen 1mo agoFull title: After update gem json to 3.0.0 Rails 8.1.3.1 raise the error: wrong number of arguments (given 2, expected 1) You'll be needing gem 'json', '< 3' in your Gemfile