UserAgent: Mozilla/5.0 (Windows NT 10.0; WOW64) AppleWebKit/537.36 (KHTML, like Gecko) Chrome/65.0.3325.181 YaBrowser/18.4.0.1387 (beta) Yowser/2.5 Safari/537.36

Steps to reproduce the problem:
1. Activate dot entering by  double-click on space
2. Go to https://twitter.com
3. Enter some text in "email" field
4. Tap double-click on space

What is the expected behavior?
%%<text><dot><space>%% (works in safari)

What went wrong?
%%<text><space><dot><space>%%
One more extra space after text.

Did this work before? No 

Chrome version: 66.0.3359.139  Channel: stable
OS Version: 10.13.3
Flash Version: Shockwave Flash 28.0 r0

If dot by double-click on space dont enter, try use any site with textfield and return on your 1st site (Mac bug)