Save setting not work

Save setting not work in admin settings panel
I like to know if this is a common issue with WP 4.3.1 or is my install that create problems.
I have same problem in 3 different site after upgrading to 4.3.1, i try to delete and do clean install of the plug in but i have the same issue.

PS: the version is show is the 1.1.3 but wend you download the zipfile is named with version 1.1.4

https://wordpress.org/plugins/scroll-back-to-top/