What is 5.5G about?

Has anyone any idea what 5.5 G is about?

I saw this on Linkedin “Huawei’s 5.5G is poised to be launched in 2024 is expected to be 10 times faster than 5G.”

They’re probably talking about 5G-Advanced, Rel. 18 (Becoming 5G-Advanced: the 3GPP Roadmap - 5G Americas).