MIUI 12 China Beta ROM is all set to gain new video calling features on select devices such as the Mi 10 Lite and the Redmi K30 Pro, according to a post by a Xiaomi forum moderator. The post also indicates that Xiaomi will be temporarily stopping MIUI 12 rollout for several devices including the Redmi Note 7 and Redmi Note 8 owing to feature and stability issues. Development for Mi 8 series and others will be suspended from September 5.
https://www.notebookcheck.net/MIUI-12-China-Beta-ROM-adds-new-features-to-Mi-10-Lite-and-Redmi-K30-Pro-MIUI-12-rollout-hangs-in-the-balance-for-Redmi-Note-8-Mi-8-Series-and-others-here-s-a-list-of-all-suspended-devices.481632.0.html