Xiaomi has again postponed the release of MIUI 8 Global Stable ROM. The new release date is not announced yet but the expected release will be rolled out at the end of August.
Previously Xiaomi has announced that MIUI 8 Global Stable ROM will roll out on August 16. Later they postponed the date and shifted to August 23.

This time official Global Stable version of MIUI 8 getting delayed due to unresolved bugs which are yet to be fixed.
Xiaomi has announced MIUI 8 back in May this year. Since they are releasing MIUI 8 China Developer ROM and MIUI 8 Global Beta ROM every week to test the flavor of new OS.
MIUI 8 fans have been waiting for long anticipating MIUI 8 Global Stable version. They have to wait few more days.