From the screenshot examples in the readme, I’m not sure how substantial the benefits are over GUI tools like Kdiff3 or WinMerge that have existed for ages.
I've used WinMerge, its very different from the above tool because its still a text diff. It often gets the diffs wrong when multiple lines are involved. Take this trivial C# example: https://www.diffchecker.com/gr0H7qA1/
Most diff tools throw out something that is quite difficult to parse, but difftastic gave me the most concise diff so far.
