Xiaomi has announced a new round of MIUI 12.5 Global Stable ROM testing, albeit only for POCO devices this time. All POCO smartphones apart from the Pocophone F1 are eligible to join the program. Xiaomi has not explained why the Pocophone F1 is missing from the program.
https://www.notebookcheck.net/Xiaomi-wants-POCO-testers-for-MIUI-12-5-Global-Stable-ROM-testing-all-but-the-most-famous-POCO-smartphone-are-eligible-to-join.536450.0.html