Export WebPlayer in unity 5.3.5

hey, my project is made by unity 5.3.4 and I export it to WebPlayer format, its size is about 40MB. But when I update my unity version to 5.3.5 and export it. Well, it make me shock. It nearly 120MB. I found that when export WebPayer it have an compression operation but new version haven’t do that, What’s the problem ?

This is a bug. See Unity Issue Tracker - [webplayer] build size increase by > 3x