After the MIUI 7 Xiaomi is now ready with MIUI 8.0 will be launched on May at an event in China. Xiaomi will launch Mi Max and Mi Band 2 too.
According to MIUI forum
“On May 10, we will introduce you MIUI 8, with the features you always wanted and new designs beyond your imagination.”
They have also showcased a video on how MIUI 8 notification panel will work.