Ubuntu Guide shows you how to install Ubuntu Tweak 0.8.6
See what's new in Ubuntu Tweak 0.8.6:How to Install Ubuntu Tweak 0.8.6 in Ubuntu 13.10/13.04/12.04
Add support for Ubuntu 13.10 Saucy Salamander, drop support for Ubuntu 11.10 Oneiric
Improve the old kernels clean up, now it will find out more old kernels
Disable appcenter and sourcecenter, they are no longer maintained
Modules show error with expected string or buffer
Ubuntu Tweak crached in logo in GNOME 3.8
Ubuntu Tweak crashed while processing override
Problem showing error dialog if dest path contains special characters e.g. ?ö?
LovewallpaperHD failed to load