In the development environment ActiveSupport::FileUpdateChecker#max_mtim triggers many time comparison and there were many unnecessary to_time calls. With this patch Rails saves around 100ms per request!
With this pull request ActionController::Parameters.const_missing's super is always returned whereas before it was only called and its return value was mistakenly discarded.
That's all for This week in Rails. As always, there are more changes than we have room to cover here, but feel free to check them out yourself!
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