I got what was the Problem
Apparently it’s a bug…
After reboot it charges fine at regular speed as on 2.6 (atleast with Xiaomi Qualcomm QC 3.0 18 Watt charger)
And regarding that Charging rapidly message
It was removed because I’m using 18watt charger now
And due to Android 15 the threshold limit for charging rapidly is 20watt
So I need a charger above 20watt to get this message….
Hmm, but I still don’t know how they capped the charge speed limit from Apple 20 Watt PD charger to 5 to 7 watts… it’s definitely a bug…