Samsung resumes Android 4.3 update roll out for Galaxy S III (GT-I9300)

A fixed version for the previous 4.3 update which was being halted due to some major problem have started to roll out again :D
CHANGES AND IMPROVEMENTS IN ANDROID 4.3 UPDATE - GALAXY GEAR Support
- TRIM Support (Makes the device much faster)
- Core UI elements updated to the ones on the Galaxy S4 (Galaxy S4′s theme all over)
- New Samsung Keyboard
- GPU drivers have been updated (Higher GPU benchmark scores)
- New Lockscreen: Multiple Widgets, improved ripple effect than Android 4.1.2, ability to change clock size and set a personal message
- New Screen modes (From S4): Adapt Display and Professional Photo
- Daydream
- Driving mode
- Actionable notifications
- Move-to-SD-card feature
- New Camera mode : Sound and Shot
- New Additions in Notification Centre
- Completely revamped Settings UI (Tabbed interface – Exactly like the Galaxy S4)
- Implementation of Voice controls (Let’s you control various parts of the phone using voice commands – Galaxy S4 feature)
- New Samsung Apps: Calculator, Clock, Contacts, Gallery, Music
- Full screen Samsung apps
- New S-Voice (from Galaxy S4)
Source From: SamMobile

To learn more, visit the Android 4.3 Discussion Thread for the Galaxy S III. The fun starts around page 181, with users sharing their (largely positive) experiences with the new firmware. :D