CyanogenMod has announced the availability of stable CM11 M9 for Samsung Galaxy S3 International non-LTE devices – GT-i9300. The build is based on Android 4.4.4 KitKat AOSP and is only meant for GT-i9300.
CM11 M9 packs themes support for additional UI element; center clock support; proximity wake-up support; data usage info for CDMA devices without SIM cars; ability to add additional A2DP profiles; translations; support for Korean and Chinese in smart-dialer; safe headset volume; spam notification filtering; and doubletap to sleep when using secure keyguard among other features.
Some of the bug fixes and improvement in the CM11 M9 include those to heads-up notifications; torch; settings search; Bluetooth; fix to saving attachments to storage for POP3 accounts; fix to encryption on some LG devices among other things.
You can download the CM 11.0 M9 files from here.