Personally, I don't think the sentences in question need to be changed though.[1] http://winehq.org/site/sending_patches -- James Hawkins
The sentence is grammatically incorrect using "is" with "by now" as the phrase "by now" implies past tense and is grammatically incorrect. I was testing an application and saw the phrase pop up, and knew it was incorrect. The sentence should be re-structured for present tense.
http://experts.about.com/q/General-Writing-Grammar-680/question-21.htm
