The following is the full change log for CCleaner new (5.12.5431) version:
5.12.5431 (Nov 24 2015)
– Improved Firefox 42 Cache cleaning.
– Improved Google Chrome Download History cleaning.
– Improved Skip UAC on Windows 10.
– Improved detection and cleaning of portable browsers.
– Optimized cleaning rules loading routine.
– Improved localization and language support.
– Minor GUI Improvements.
– Minor bug fixes.
Link To View Original Change Log Or To Look Back At Older Change Logs: http://www.piriform.com/ccleaner/version-history
Link To Download CCleaner: http://www.piriform.com/ccleaner
Till The Next Update,