According to the XDA-Developers edition, smartphone users around the world began to report this. The firmware was released with build number 220.127.116.11RJKMIXM and weighed 3 GB. If you don’t have the OTA yet, you can download it from the link.
The update includes the September security patch. Naturally, the firmware also contains all the major changes to MIUI 12, including new animations, an updated control panel, etc. Besides, the developers have further improved the smartphone camera, adding the AI watermarks function and templates and new presets for vlogs.