No specific info about version 1.1. Please visit the main page of Keka on Mac Informer.
It's the best free archive creation utility.
StuffIt Archive Manager organizes your archives into collections.
Create, convert, and extract archive files on your computer.
A powerful file manager with a classic double-window and multi-tab interface.
Designed to help you extract the contents of RAR archives.
Mount ZIP and RAR archive files as disk images on Mac.
It's the best free archive creation utility.