Cynogen mod 11 m7 the latest n stable snapshot.....
Well m using Samsung Galaxy S3 International variant n today morning that is 09/06/2014 updated my device from cm11 m6 to cm11 m7 and from the usage of 6-8 hours not a single UI or system crashes experienced and not even soft boot..............
Here is the official change log for the CyanogenMod 11.0 M7:
Common: Theme Chooser UI Overhaul
Common: Calculator app redesign (courtesy Xlythe)
Common: Performance Profiles
Common: Improved theming performance on low memory devices (~512MB RAM or less)
Trebuchet: Move settings to new slide-out panel
Trebuchet: Consolidate settings for home and drawer options
Media: Add FFMPEG support (expanded media format support)
Bluetooth: Improved support for new car audio systems and docks
Various small bugfixes, global and device-specific