Isn't saying "1.5 times faster" misleading? From what I see it's gotten 33% times faster.
Although, you might say that the previous version is 1.5 times slower than the current version.
Although, you might say that the previous version is 1.5 times slower than the current version.
"33% times faster" doesn't make sense. You need to drop the "times" or use "0.33 times" for that to make sense.