Absolute tons of things. Read the change log for yourself, LOL. The biggest thing for me personally is trade sounds so that when you are not looking at the screen, you can hear when a trade starts and when payment is made, etc. 

 more install packages like appimage & flatpak - installing in #tailsos via script >>> https://old.reddit.com/r/Monero/comments/1gaco6v/psa_there_is_now_a_working_install_script_for/